Category Archives: Daily Pulse

End-of-session institutional positioning snapshot — options flow + dark pool activity. Published every trading day after the close.

Daily Pulse — Friday May 8, 2026

By AZTMM Research · May 8, 2026 · Daily Pulse
Daily Pulse · AZTMM HLDGS LLC · 8 May 2026

Options Flow & Block Activity — Friday 8 May 2026

Friday end-of-session readout: where premium concentrated, what the block tape signaled, how the Market Pulse Index closed the week. Plain-English overlay applied throughout.

Session 8 May 2026Flow rows 15,295Block prints 6,049SPY $737.62 (+0.83%)MPI 79 · Bull
How to read this Daily Pulse →

Sections: KPI strip → 3-question framing → top 15 options flow → MPI scorecard grid → regime card → notable data points → observations ledger → methodology footnote.

The KPIs: total options premium, calls vs puts ratio, block-trade prints, Market Pulse Index reading, model confidence, and broad-market index context. All computed end-of-day, not real-time.

What this is: a retrospective end-of-session positioning summary. Not a forecast. Not a recommendation. Numbers reflect what already happened.

Total Options Premium
$3.52B
Calls $2.77B · Puts $0.75B
More than $3.5 billion of options changed hands today — heavy session, well above an average Friday.
Calls vs Puts
3.69×
Strongly call-led
Calls outnumbered puts roughly 3.7-to-1 by dollar value — strongly bullish bias, more than double a typical day’s ratio.
Block-Trade Prints
6,049
~40% of all flow rows
Block trades — large privately-negotiated orders reported after the fact — hit their highest count of the week. Closest available proxy for off-exchange institutional positioning.
Market Pulse Index
79 / 100
Bull
A multi-factor composite that reads market positioning across price, breadth, volatility, and flow inputs. Today reads strongly bullish.
Model Confidence
85%
High-conviction read
How much weight to give today’s reading. 85% confidence means the underlying inputs are mostly aligned, not split.
Index Context
SPY $737.62
+0.83% · VIX 17.19
Broad market closed firmly green with volatility well below its long-run average. The tape and the flow agree today.

Three QuestionsWhat · Why · What’s next

What happened?

Friday closed the week the way it ran most of it — heavy call buying concentrated in semis and weekly index products, with a small but visible put bid on small-caps and a few photonics names. SPXW alone accounted for more than a quarter of the day’s total premium. SPY finished at $737.62, up 0.83%, and the Market Pulse Index reads 79 of 100 — a strongly bullish closing read.

Why does it matter?

When the same handful of tickers — MU, NVDA, AMD, INTC, TSLA — show up at the top of the leaderboard for five sessions running, that signals institutions adding rather than rotating. The 78% call share in Information Technology and the 3.7-to-1 overall call/put ratio reflect large block prints and repeater alerts, not retail noise. Block-trade volume hitting its weekly high on a Friday is unusual — Fridays are typically lighter — and is more consistent with positioning than profit-taking. The IWM and SPX put bids are the market’s quiet hedge: someone is paying for downside protection on small-caps and broad index even while paying up for upside on the mega-caps.

What to watch next?

Whether the persistent semi names continue to lead next week or whether call/put ratios start to compress is the cleanest signal. If MU and NVDA premium fades but the IWM put bid grows, that’s a regime shift worth respecting. Conversely, if the call concentration broadens beyond the same five tickers — pulling in Communication Services or Financials — the bullish read strengthens. The Lumentum (LITE) put cluster is also worth tracking; it has been the most consistent bearish positioning name of the week.

Top 15 — Options Flow by Session PremiumFriday 8 May

# Ticker Sector Premium ($M) Calls vs Puts C/P Ratio
1SPXWIndex946.5
100%
470×
2MUInfo Tech314.6
87%
6.7×
3QQQIndex237.1
55%
1.2×
4TSLACons. Disc.208.0
75%
3.1×
5NVDAInfo Tech164.2
86%
6.2×
6AMDInfo Tech135.7
72%
2.5×
7INTCInfo Tech134.6
82%
4.5×
8SPYIndex128.9
51%
1.0×
9SNDKInfo Tech70.9
88%
7.2×
10SPXIndex55.7
68%
0.5×
11QCOMInfo Tech52.5
88%
7.0×
12LITEInfo Tech37.5
98%
0.02×
13IWMIndex34.2
56%
0.8×
14GOOGLComm. Svc.32.5
90%
9.5×
15AMZNCons. Disc.30.8
84%
5.5×

Market Pulse Index — Subindex Scorecard9 categories

Trend
100
live
Breadth
73
live
Volatility
52
live
Sentiment
67
live
Sector Rotation
95
live
Yield Curve
50
degraded · neutral fallback
Credit Spreads
50
degraded · neutral fallback
Currency / Commodity
50
degraded · neutral fallback
Liquidity
50
degraded · neutral fallback

Five categories are reading live, four are running on neutral fallback values pending a data-feed deployment. The composite of 79 reflects the live readings plus the neutral fallbacks — true value with all categories live could shift roughly plus or minus 5 points; the bullish directional read is unlikely to flip but the magnitude could compress.

Regime CardFriday close

Regime: Bull85% confidenceMPI 79 · +29 above neutral

The regime read closes the week at Bull · 85% confidence — persistent across the full five-session window. SPY gained roughly +1.4% on the week, VIX held at 17.19 with the futures term structure in mild contango, and call/put ratios stayed elevated every session. The model treats Friday’s +0.83% close as a clean confirmation of the bullish read rather than a reversal trigger.

Notable Data Points12 items

  1. MU $314.6M total premium (#2 by dollar volume): $273.6M in calls vs $41.0M in puts — a 6.7-to-1 call lean. MU has now appeared in the top 15 for all 5 sessions this week and tops the weekly leaderboard among individual equities at $1.12B in combined call+put premium. Sustained outsized call buying — well above typical session size for the name.
  2. NVDA $164.2M total premium (#5): $141.2M calls vs $22.9M puts, a 6.2-to-1 call lean. Five consecutive sessions in the top 15. Among large-cap semi anchors, NVDA carried the call-side lead throughout the week with weekly aggregate calls $685M vs puts $105M — a 6.5-to-1 weekly ratio.
  3. AMD $135.7M total premium (#6): $97.3M calls vs $38.4M puts. Five consecutive sessions in the top 15 — closing out a perfect week. Calls outpaced puts roughly 2.5-to-1, the most balanced of the four semi anchors today, suggesting some hedging pairing with the call buying.
  4. INTC $134.6M total premium (#7): $110.0M calls vs $24.7M puts, 4.5-to-1 call lean. Five consecutive sessions in the top 15. INTC has been the slow-but-steady semi name all week — never spiked to a session high but never left the leaderboard, consistent with patient accumulation rather than event-driven positioning.
  5. TSLA $208.0M total premium (#4): $156.8M calls vs $51.2M puts, 3.1-to-1 call lean. Five consecutive sessions in the top 15. TSLA also generated the highest options-alert count today (24 alerts) — a mix of repeater and rapidfire bullish patterns indicating rapid repeated call prints rather than a single block.
  6. SPXW weekly index calls $944.5M (#1, dominant): Single-ticker premium more than 3x the next-largest name (MU). Weekly S&P call buying at this scale concentrates the day’s directional read. Across the week, SPXW totaled $3.34B in calls vs just $39M in puts — an 85-to-1 ratio over five sessions.
  7. SNDK $70.9M total premium (#9): $62.2M calls vs $8.6M puts, a 7.2-to-1 call lean — the highest call/put ratio among individual equities in the top 10 today. Storage/memory positioning extending a steady weekly bid.
  8. LITE $37.5M total premium (puts-led): $36.8M puts vs just $0.65M calls — the most lopsided put concentration among top names today. LITE has now run put-heavy in 3 of 5 sessions this week, with weekly puts $114M vs calls $44M. The cleanest single-name bearish expression on the tape.
  9. SPX monthly index $55.7M total premium (puts-led): $37.8M puts vs $17.9M calls. Notable as the longer-dated index hedge while shorter-dated SPXW calls dominate — institutions buying near-term upside while paying for further-out downside protection.
  10. IWM small-cap ETF $34.2M total premium (puts-led): $19.1M puts vs $15.1M calls. Weekly aggregate: puts $127M vs calls $34M — a 3.8-to-1 weekly put lean. Small-caps have been the most consistent put-bid name of the week, contrasting sharply with the call dominance in mega-cap and semi names.
  11. Block-trade prints 6,049 today — weekly high. About 40% of all flow rows were block-type, the highest block-print count of the week. Blocks captured here are large privately-negotiated orders reported after execution — the closest available proxy for off-exchange institutional positioning on this data tier.
  12. Bullish alerts 90 vs bearish 31 (2.9-to-1 ratio). The repeater bullish flow pattern alone fired 39 times today — roughly one repeater alert every ten minutes during the regular session. Persistent institutional repeat buying, not single-print activity.

Observations LedgerSession-level reads

  1. The bullish lean is broad-based at the top. Nine of the top ten ran call-heavy. The lone exception — SPX monthly index — is the index hedge, paired with heavier call buying on the SPXW weekly side. Institutions are paying up for short-dated upside while writing the longer-dated insurance.
  2. Information Technology carried the tape. $1.29B in IT premium with 78% call share — the highest IT call share of the week. Five names — MU, NVDA, AMD, INTC, SNDK — combined for nearly $820M of single-day premium with calls running roughly 5-to-1 across the group.
  3. Index/ETF unsectored bucket totaled $1.59B. SPXW alone drove more than a quarter of today’s tape. SPX, IWM and GLD ran put-led; QQQ near balanced. Institutions used different index products for different directional bets.
  4. Semis stayed convergent for a fifth straight session. MU, NVDA, AMD, INTC each posted 6.2x-to-6.7x average call leans across at least one session this week. Convergence at this duration is rare; it tends to reflect a sector-wide thesis rather than name-specific catalysts.
  5. Tesla anchored Consumer Discretionary at $208M. Calls outpaced puts roughly 3-to-1 with 24 separate bullish alerts firing — the highest alert count on the tape today.
  6. Block-print count climbed every single session this week. 4,112 (Mon) → 4,207 (Tue) → 5,785 (Wed) → 5,050 (Thu) → 6,049 (Fri). Block activity strengthened through the week rather than peaking and fading.
  7. The hedging pattern is consistent. Short-dated SPXW calls and individual semi calls on one side, IWM and SPX puts on the other. Same playbook every session this week — paying up for upside on leaders, paying for downside on breadth.
  8. LITE remains the cleanest bearish name on the tape. Three of five sessions put-led, weekly puts 2.6x calls. The lone Information Technology name running consistently bearish in an otherwise bullish IT sector.
  9. QCOM and SNDK quietly extended call dominance. Both 7-to-1+ call leaning Friday with sustained weekly notional. Patient accumulation rather than event-driven positioning.
  10. Repeater alert pattern signals continuity. 39 repeater bullish flow patterns plus 22 rapidfire bullish patterns today. Sustained institutional repeat buying, not isolated prints.

Methodology FootnoteTwo honest caveats

1. Market Pulse Index is in degraded mode today. Four of nine MPI categories are running on neutral fallback values pending a data-feed deployment. The reported 79-of-100 reading reflects the five live categories plus four neutrals. True value with all categories live could shift roughly plus or minus 5 points; the bullish directional read is unlikely to flip but the magnitude could compress.
2. Equity dark-pool / off-exchange print stream is not available on the current data tier. The block-trade prints inside the options flow data (~40% of rows today) are the closest available proxy for off-exchange institutional positioning. Equity dark-pool prints — the off-exchange off-book equity tape — are not in our feed. We flag this so readers don’t conflate “block trades in options” with “dark-pool prints in equities”; they capture related but distinct institutional behavior.
No model weights, lookback windows, or methodology internals are exposed. The 85% confidence reading reflects the model’s internal consistency across inputs, not a probabilistic forecast of any specific outcome.
Disclaimer. This report is retrospective quantitative research for informational purposes only. Not investment advice, not a recommendation, not a solicitation. Past patterns are not indicative of future price behavior. AZTMM HLDGS LLC is not a registered broker-dealer, investment adviser, or FINRA member. Published under the publisher exemption recognized in Lowe v. SEC, 472 U.S. 181 (1985). Options trading involves substantial risk.

Method note

Flow and dark-pool data sourced from our analytical pipeline. MPI score and regime classifier are our internal composite; daily synthesis is AI-assisted from those inputs.

Daily Pulse — Options Flow + Dark Pool, 7 May 2026

By AZTMM Research · May 7, 2026 · Daily Pulse
Daily Pulse · AZTMM HLDGS LLC · May-D07 2026

Options Flow & Dark Pool — Session 7 May 2026

A one-day numeric readout of where money showed up in options markets and institutional block trades on Thursday 7 May 2026 (US regular hours, 9:30 AM – 4:00 PM ET), with context from our regime model.

Session 7 May 2026Prints 9,096Dark Blocks 1,597Regime Bull · confidence 0.85MPI 79 · Bull
How to read this Daily Pulse →

Sections: KPI strip → top 15 options flow → top 15 dark-pool prints → MPI 9-subindex grid → regime card → observations ledger → methodology footnote.

The KPIs: total options notional, C/P ratio, dark-pool notional, MPI score, regime regime + confidence. All computed end-of-day, not real-time.

Star ratings (☆ ☆☆ ☆☆☆): conviction tier on the flow row. ☆☆☆ = persistent + large + cross-asset confirmed. ☆ = single-session noise.

What this is: retrospective end-of-session positioning summary. Not a forecast. Not a recommendation.

Total Options Premium
USD 4.63B
Calls 2.95B · Puts 1.69B
Call/Put Ratio
1.75×
+0.6 std devs above 90d avg 1.42
Largest Single Trade
USD 85M
NDX CALL 28000 · 12/18/2026
Dark Pool Dollar Size
USD 55.9B
1,597 dark-pool prints
Two-Layer Overlap
N=6
AAPL MSFT MU NVDA QQQ SPY
Regime Model
Bull
confidence 0.85 · 13-day rally

§1 What We SawSession readout

Options flow ran cleanly bullish on Thursday but well short of the spike levels we saw in mid-April. Total options premium reached USD 4.63B across 9,096 trades — calls USD 2.95B, puts USD 1.69B. The call-to-put ratio finished at 1.75×, modestly bullish but not extreme — about 0.6 standard deviations above the 90-day mean of 1.42. That fits a market in the middle of a multi-day grind: SPY printed $731.58 at the close (-0.31% session, +1.2% week-to-date), VIX held at 17.08, and the rally extended to its 13th session without a 1%+ down day.

Institutions were active off-exchange in size. Dark-pool prints totalled USD 55.9B across 1,597 blocks. The composition was index-heavy at the top: SPY USD 4,528M across 37 prints, QQQ USD 1,929M across 22 prints, and VOO USD 558M. That is large-fund rebalancing volume rather than a single directional thesis. The single-name standouts: MSFT USD 1,476M across 7 blocks, AAPL USD 1,269M across 15 blocks, LLY USD 928M across 3 blocks (defensive healthcare), and HYG USD 1,049M across 29 prints — the high-yield credit ETF — which has run hot all week and is consistent with continued duration/risk-on positioning into the rally.

NVDA was the cleanest two-layer signal of the day. Options premium USD 364M with the most extreme net-bullish skew of any name — call premium USD 333M versus put premium USD 31M for a net +$301M on the bullish side. Dark-pool dollar size USD 872M across 17 blocks. GOOGL mirrored the pattern smaller — call $133M vs put $13M, net +$120M. QCOM printed an unusually pure call book: $87M calls against just $4M puts. The cleanest defensive read came from MU — $209M calls and $260M puts at the same time, a balanced book that traders typically use to hedge into a binary catalyst (semiconductor cycle data due next week).

Top 15 — Options Flow by Session Premium

Ticker Sector Prem (USD M) Relative C/P Overlap
MU Info Tech 470
100%
 0.8× Low
NVDA Info Tech 364
78%
 10.6× Low
SPX Index 325
69%
 1.3× Very low
QQQ Index 261
55%
 1.3× Low
SPY Index 243
52%
 0.8× Low
TSLA Cons. Disc. 212
45%
 2.4× Very low
NDX Index 186
40%
 2.1× Very low
MSFT Info Tech 160
34%
 3.4× Low
GOOGL Comm. Svc. 133
28%
 CALL Very low
AAPL Info Tech 130
28%
 2.3× Low
AMD Info Tech 93
20%
 3.5× Very low
QCOM Info Tech 87
18%
 CALL Very low
TSM Info Tech 62
13%
 CALL Very low
COIN Financials 59
13%
 CALL Very low
META Comm. Svc. 49
10%
 0.0× Very low

Top 15 — Dark Pool by Session Notional

Ticker Sector Notional (USD M) Relative Prints Overlap
SPY Index 4,528
100%
 37 Low
QQQ Index 1,929
43%
 22 Low
MSFT Info Tech 1,476
33%
 7 Low
AAPL Info Tech 1,269
28%
 15 Low
HYG ETF (HY credit) 1,049
23%
 29 Very low
LLY Health Care 928
20%
 3 Very low
NVDA Info Tech 872
19%
 17 Low
IWM Index 855
19%
 10 Very low
XOM Energy 759
17%
 8 Very low
CRM Info Tech 707
16%
 3 Very low
CRCL Financials 667
15%
 2 Very low
SNDK Info Tech 662
15%
 3 Very low
MU Info Tech 605
13%
 2 Low
AMAT Info Tech 581
13%
 4 Very low
VOO Index 558
12%
 3 Very low

ObservationsSession-level

  1. The bullish lean is moderate, not extreme. Today’s call/put of 1.75× is +0.6σ above the 90-day mean. That is the kind of reading that fits a multi-day grind higher rather than a momentum spike — markets at this level usually drift sideways or up another 0.3-0.5% before reverting.
  2. NVDA is the cleanest two-layer signal. Net options premium +$301M on the bullish side (call $333M vs put $31M, the largest call-skew margin of any name) plus dark-pool dollar size $872M across 17 blocks (#7 dark pool). Both layers point the same direction.
  3. MSFT in size on both layers. Options premium $160M with calls outpacing puts 3.4×, plus $1,476M dark-pool notional across 7 blocks (the largest single-name dark-pool block notional today). This is the second cleanest two-layer alignment.
  4. MU is hedging, not directional. $209M calls plus $260M puts — almost balanced. Read as positioning into a cycle catalyst rather than a directional bet. Net premium -$51M (slight put lean) is the largest defensive book of the day.
  5. SPX December block trades. $53M on the 12/18 7400 puts and $48M on the 12/18 7850 puts went up at 3:06 PM — large institutional hedges out 7+ months. Pairs with the SPY put-skew (net -$34M): tail-risk hedging is being layered on, not a thesis change.
  6. NDX 12/18 28000 straddle traded in size. $85M calls plus $46M puts at the same strike, same expiry, traded at 11:53 AM as a single block. This is a long-vol position taken by a fund — read as a hedge against either direction, not a directional bet.
  7. HYG continues to print heavy. $1,049M dark-pool notional across 29 blocks. The high-yield credit ETF has been in the top 5 dark-pool names every session this week. Risk-on positioning is being added, not trimmed.
  8. LLY single-name $928M dark pool. Three blocks. The healthcare mega-cap is the largest non-tech non-ETF dark-pool name today. Worth tracking whether it is a one-day rebalance or accumulation continuing into Friday.
  9. CAR put block stands out. $31.55M single put at the $400 strike, 5/15 expiry, traded at 3:09 PM. Net premium -$32M on a name with no offsetting call book. This is a clean directional short setup or a focused hedge ahead of next week’s earnings.
  10. Sector tilt: Info Tech mega-caps drove most of the bullish premium. NVDA, MSFT, GOOGL, AAPL, AMD, QCOM, TSM all in the top-10 net-bullish list. Communication Services (META) leaned put-side. Energy, Utilities, Industrials largely absent from the top 15 — flow is concentrated, not broad-based.

§2 Context — Regime & MPIConditional framework

Regime: Bullconfidence 0.85MPI 79 · +29 above neutral

The regime model holds Bull at 0.85 confidence — slightly down from the 0.87 high reached on May 5 but well within the typical Bull persistence band. SPY’s -0.31% session is mild relative to the 13-day rally that preceded it; the model treats this as a small consolidation rather than a regime weakening. Confidence in Neutral sits at 0.13, Crisis at 0.02. Day-to-day Bull persistence remains 0.94 by the model’s regime transition pattern, so a single cool session does not move the regime label.

Our Market Posture Index (MPI) printed 79 (Bull), about +29 above neutral — the highest reading since early February. Sub-index breakdown: Volatility 72 (VIX 17.08, compressed), Trend 81 (SPY held the 50-day on light volume), Credit 91 (HYG/LQD spreads tight), Breadth 100 (NYSE A/D maxed out 7 of 10 sessions), Flows 100 (equity P/C at 0.39, 5th percentile), Macro 75 (DXY 97.4, stable), Liquidity 70 (SOFR-OIS 12 bps, calm), FX 51 (EM FX flat), Sentiment 50 (retail sentiment bullish at 41%, neutral). The composite is strong, but the persistent tail-hedge buying in long-dated SPX puts is one piece of evidence we are watching for any narrative shift.

§3 Signals to MonitorFriday 8 May

NVDA — does the bullish two-layer alignment continue?

Today: net options +$301M on the call side, dark-pool $872M across 17 blocks. If Friday prints another ≥$500M dark-pool day with a net call-side options book ≥+$200M, treat as sustained accumulation. Drop to ≤$400M dark-pool with neutralizing puts → today was peak.

MU — does the hedge unwind one direction?

Balanced book today: $209M calls and $260M puts. If one side goes to ≥3:1 on Friday’s open, that resolves the cycle hedge into a directional view. Watch for the put side to roll up if the semiconductor cycle data leaks bearish.

HYG dark-pool persistence

Today $1,049M across 29 blocks. The week-to-date HYG dark-pool total is $799M per the weekly aggregate (4 sessions). If Friday adds another ≥$300M, the credit-on signal extends. Drop to ≤$100M while equity dark-pool stays heavy → defensive trim.

SPX 12/18 put hedge layer

Today’s $48M-$53M put blocks at the 7400 and 7850 strikes, December expiry. These are tail-hedge size. If similar-size put-side blocks land Friday, hedging is extending. If quiet, today was a one-off institutional rebalance.

VIX term structure

VIX closed at 17.08, the M1/M2 futures spread sits at -0.4 (mild contango). Watch for a break below 16.5 (deep complacency, MPI Volatility sub-index would tip past 80 — historically the level where 1-week IV rises) or above 19 (rally fatigue starting).

§4 Methodology

Where the data comes from. Options flow: end-of-session export from our consolidated options-flow feed, minimum trade value $100,000, US regular hours 9:30 AM–4:00 PM ET. Dark pool: institutional dark-pool data feed filtered to Block trade type with “DARK” in the message field (real off-exchange prints with notional). Public market data: S&P 500 close from the exchange tape, VIX from exchange data, credit spread from HYG and LQD closes via consolidated market data.
Overlap scoring. Very low one signal · Low two signals — names that show up in both options top 15 AND dark pool top 15. The 6 two-layer names today: AAPL, MSFT, MU, NVDA, QQQ, SPY.
Regime model update. We start with yesterday’s Bull confidence of 0.86, roll it forward through the model’s regime transition pattern, then update with Thursday’s S&P return. The model’s three modes have typical daily returns of: Bull +0.38% (spread 0.72%), Neutral +0.04% (spread 1.08%), Crisis -0.82% (spread 2.34%). Thursday’s -0.31% return sits about 1.0 standard deviation below the Bull mean — soft for a Bull day but well within range, which is why confidence held at 0.85.
Disclaimer. This report is retrospective quantitative research for informational purposes only. Not investment advice, not a recommendation, not a solicitation. §3 signals are conditional monitoring triggers, not forecasts or trade ideas. Past patterns are not indicative of future price behavior. AZTMM HLDGS LLC is not a registered broker-dealer, investment adviser, or FINRA member. Published under the publisher exemption recognized in Lowe v. SEC, 472 U.S. 181 (1985). Options trading involves substantial risk.

Method note

Flow and dark-pool data sourced from our analytical pipeline. MPI score and regime classifier are our internal composite; daily synthesis is AI-assisted from those inputs.

Daily Pulse — Options Flow + Dark Pool, 20 April 2026

By AZTMM Research · April 20, 2026 · Daily Pulse
Daily Pulse · AZTMM HLDGS LLC · Apr-D20 2026

Options Flow & Dark Pool — Session 20 April 2026

A one-day numeric readout of where money showed up in options markets and institutional block trades on Monday 20 April 2026 (US regular hours, 9:30 AM – 4:00 PM ET), with context from our regime model.

Methodology note (revised 5 May 2026): MPI for this session was retroactively recalculated to 64 from the originally published 56 to align with the consistent computation pipeline introduced in early May. The narrative below reflects the original session’s directional reads; the headline composite has been updated for archival consistency.

Session 20 Apr 2026Prints 33,403Blocks 1,281Regime Bull · confidence 0.79MPI 64 · Bull
How to read this Daily Pulse →

Sections: KPI strip → top 15 options flow → top 15 dark-pool prints → MPI 9-subindex grid → regime card → observations ledger → methodology footnote.

The KPIs: total options notional, C/P ratio, dark-pool notional, MPI score, regime regime + confidence. All computed end-of-day, not real-time.

Star ratings (☆ ☆☆ ☆☆☆): conviction tier on the flow row. ☆☆☆ = persistent + large + cross-asset confirmed. ☆ = single-session noise.

What this is: retrospective end-of-session positioning summary. Not a forecast. Not a recommendation.

Total Options Premium
USD 16.47B
Calls 11.31B · Puts 5.16B
Call/Put Ratio
2.19×
+1.2 std devs above 90d avg 1.42
Change vs 17 Apr
-1.69
3.88× → 2.19×
Dark Pool Dollar Size
USD 44.35B
1,281 blocks + DP prints
Options + Dark Pool Overlap
N=6
AAPL MSFT NVDA TSM META GLD
Regime Model
Bull
confidence 0.79 · down from 0.87

§1 What We SawSession readout

Options traders leaned bullish on Monday, but less aggressively than Friday. Total options premium (the total dollar value of options traded) came to USD 16.47B across 33,403 individual trades — calls USD 11.31B, puts USD 5.16B. The call-to-put ratio finished at 2.19×, which is more bullish than normal (about 1.2 standard deviations above the 90-day average of 1.42, based on 62 daily readings). That is a meaningful cool-down from Friday’s very hot 3.88× — the ratio fell by 1.69×. That kind of partial move back toward the average is what we usually see after an extreme Friday in a bull market: in our 90-day sample, 4 of 6 similar Friday spikes reverted within three sessions.

Institutions were still active off-exchange. Dark pool trades and block prints added up to USD 44.35B across 1,281 prints. Mega-cap tech was again the biggest bucket: NVDA USD 1.50B, MSFT USD 1.04B, TSM USD 0.50B, AAPL USD 0.40B, AMD USD 0.42B. Two broad-index ETFs also moved in size — IVV USD 0.90B and VOO USD 0.40B — plus LQD USD 0.47B, the big investment-grade corporate bond ETF. That LQD block fits a defensive tone: the S&P 500 fell 0.61% on Iran and Strait-of-Hormuz headlines, and buying safer bonds on a risk-off day is a classic rotation.

NVDA was the cleanest signal of the day — it showed up in both options flow AND dark pool at the top of each list. Options premium was USD 1,109M with a call/put ratio of 6.2× (biggest non-index options name), and dark pool dollar size was USD 1,496M across 19 blocks (biggest dark pool name). TSM had the most extreme call-skew of any stock: a call/put of 13.1× on USD 360M premium across 115 trades, meaning positioning was very concentrated on the bullish side. MSTR was right behind at 15.0× on USD 210M, which traders use as a Bitcoin proxy. SNDK kept the quiet accumulation pattern we flagged last week going: USD 371M across 4 blocks (ranked #13 in dark pool), extending the 15–17 April position-building stretch.

Top 15 — Options Flow by Session Premium

Ticker Sector Prem (USD M) Relative C/P Overlap
SPXW Index 1,154
100%
 1.7× Very low
NVDA Info Tech 1,109
96%
 6.2× Low
TSM Info Tech 360
31%
 13.1× Low
TSLA Cons. Disc. 331
29%
 1.6× Very low
MSTR Info Tech 210
18%
 15.0× Very low
MU Info Tech 202
18%
 1.3× Very low
META Comm. Svc. 171
15%
 3.7× Low
GLD ETF 113
10%
 2.8× Low
MSFT Info Tech 102
9%
 3.5× Low
AAPL Info Tech 99
9%
 4.9× Low
MRVL Info Tech 94
8%
 2.2× Very low
INTC Info Tech 90
8%
 3.0× Very low
AMZN Cons. Disc. 87
8%
 3.4× Very low
ASTS Info Tech 85
7%
 2.3× Very low
AVGO Info Tech 79
7%
 2.2× Very low

Top 15 — Dark Pool by Session Notional

Ticker Sector Notional (USD M) Relative Blocks Overlap
NVDA IT Hardware 1,497
100%
 19 Low
MSFT IT Software 1,043
70%
 8 Low
IVV ETF 898
60%
 4 Very low
GLD ETF 709
47%
 7 Low
GOOG Media 602
40%
 9 Very low
TSM IT Hardware 503
34%
 4 Low
GOOGL Media 468
31%
 4 Very low
LQD ETF (IG credit) 468
31%
 15 Very low
AMD IT Hardware 419
28%
 6 Very low
AAPL IT Hardware 404
27%
 3 Low
WMT Retail 397
27%
 8 Very low
VOO ETF 397
27%
 2 Very low
SNDK IT Hardware 371
25%
 4 Very low
META Media 357
24%
 1 Low
EWY ETF (Korea) 344
23%
 4 Very low

ObservationsSession-level

  1. The bullish skew is cooling back toward normal. Today’s call/put ratio of 2.19× is 1.69× lower than Friday’s 3.88×. It is still more bullish than average (+1.2 standard deviations above the 90-day mean) but no longer extreme. That is the typical pattern after a hot Friday in a bull market — 4 of the 6 similar cases in our 90-day sample drifted back toward normal within three sessions.
  2. NVDA shows up in both options flow AND dark pool at #1. Options premium $1,109M (biggest non-index) at a call/put of 6.2×, plus dark pool dollar size $1,497M across 19 blocks (also biggest). Both layers point the same direction on IT hardware.
  3. TSM call-skew is very extreme. A call/put of 13.1× on $360M across 115 trades — the most concentrated bullish positioning of any single name today. Fits the semiconductor theme we saw last week.
  4. MSTR 15× call/put. $210M of call-heavy premium on what traders use as a Bitcoin proxy. Third-highest call skew in the session.
  5. SNDK accumulation keeps going. $371M across 4 dark pool blocks today, extending the 15–17 April buying that totaled $5.89B. The name’s typical 20-session average is about $82M/day, so today is roughly 3.5 standard deviations hotter than normal for that ticker.
  6. LQD dark pool USD 468M across 15 blocks. The investment-grade corporate bond ETF landed in the top 15, consistent with buying safer bonds on a risk-off day. Worth watching whether it continues into 21 April.
  7. The big ETF prints are mostly housekeeping. IVV $898M, VOO $397M, EWY $344M. These look like index rebalancing flow rather than a directional bet.
  8. Sector call/put rankings. Info Tech 3.75×, Consumer Staples 3.08×, Financials 2.66×, Energy 2.44×. Utilities at 0.91× (slightly put-leaning — mild defense). Industrials at 1.38× were softer than the rest.
  9. Unusual-activity flag (5 names): GFS, NKTR, QXO, SMTC, USAR. All small-caps under $15M premium each and outside the options top 15 — none of them line up with dark pool or show up across all three signals today.
  10. QXO looks unusual. Two identical $12.65M put prints at the $35 strike on the unusual-activity list. Worth watching tomorrow to see if it is a hedge or a directional bet.

§2 Context — Regime & MPIConditional framework

Regime: Bullconfidence 0.79MPI 64 · Δ -2 vs Fri

The regime model still classifies the market as Bull, but a little less firmly than Friday. Confidence that we are in Bull slipped from 0.87 to 0.79, because Monday’s S&P 500 return of -0.61% (log return -0.00611, about 1.4 standard deviations below the typical Bull day of +0.38%) was weaker than what a Bull day normally looks like. Confidence in Neutral rose to 0.17; confidence in Crisis held at 0.04. The regime label has not changed — this kind of one-day drift is well within normal noise, since the model says Bull has a 0.94 chance of staying in the same mode day-to-day.

Our Market Posture Index (MPI) printed 64 (Bull), about +14 above neutral. Versus 17 April: Volatility 28 → 24 (VIX compressed further to 17.48, which drags the score lower on a contrarian basis); Flows 67 → 62 (equity put/call rose from 0.41 to an estimated 0.52, so slightly less bullish); Trend 76 → 74 (a small cool from the SPX drawdown); Liquidity and Breadth essentially unchanged.

§3 Signals to MonitorTuesday 21 April

NVDA — does the options-plus-dark-pool alignment continue?

Today’s dark pool dollar size: $1,497M vs the name’s 90-day average of about $1.1B/day (roughly 1.3 standard deviations above normal for NVDA). If it stays ≥$1.3B/day, the signal is real accumulation; if it drops to ≤$900M/day, today was a one-day rebalance.

TSM — does the extreme call skew hold or flush out?

Call/put 13.1× on $360M (name’s 90-day typical is about 2.4×). If it drops below 5× within two sessions, call for a directional flush; if it stays at 10× or higher, sustained positioning.

LQD dark pool — is the defensive bid sticking?

$468M into the investment-grade bond ETF on a risk-off day. Another ≥$400M day, while high-yield (HYG) lags, would mean a defensive credit rotation is forming. A one-day print alone is likely just index noise.

VIX term structure

VIX closed at 17.48 (compressed). The front two futures are near parity. Watch for compression below 17.0 (deeper complacency) or expansion above 20 (a potential regime shift for the model). Current level is near the 10th percentile of the 90-day sample.

QXO — is it a hedge or a directional short?

Two $12.65M put prints at the $35 strike, plus smaller calls at the same strike. On 21 April, if call follow-through is ≥$5M, read it as a spread trade; if puts keep dominating, read it as a directional short setup.

§4 Methodology

Where the data comes from. Options flow: end-of-session export from our consolidated options-flow feed, minimum trade value $100,000, US regular hours 9:30 AM–4:00 PM ET. Dark pool: institutional dark-pool data feed filtered to Block + DarkPool trade types. Public market data: S&P 500 close from the exchange tape, VIX from exchange data, credit spread from HYG and LQD closes via consolidated market data.
Overlap scoring. Very low one signal · Low two signals — names that show up in both options top 15 AND dark pool top 15 · three signals — all three line up (options + dark pool + unusual-activity flag). No names hit all three today.
Regime model update. We start with Friday’s Bull confidence of 0.87, roll it forward one day through the model’s regime transition pattern, then update with Monday’s S&P return. The model’s three modes have typical daily returns of: Bull +0.38% (spread 0.72%), Neutral +0.04% (spread 1.08%), Crisis -0.82% (spread 2.34%). Monday’s -0.00611 log return sits about 1.4 standard deviations below the Bull mean — weaker than Bull usually looks, which is why confidence dropped to 0.79.
Disclaimer. This report is retrospective quantitative research for informational purposes only. Not investment advice, not a recommendation, not a solicitation. §3 signals are conditional monitoring triggers, not forecasts or trade ideas. Past patterns are not indicative of future price behavior. AZTMM HLDGS LLC is not a registered broker-dealer, investment adviser, or FINRA member. Published under the publisher exemption recognized in Lowe v. SEC, 472 U.S. 181 (1985). Options trading involves substantial risk.

Method note

Flow and dark-pool data sourced from our analytical pipeline. MPI score and regime classifier are our internal composite; daily synthesis is AI-assisted from those inputs.