Weekly options flow + dark pool imbalance report. Sector heatmaps, multi-day accumulation and distribution, unusual activity flags. Published Saturday morning.
Weekly Pulse – Week of Jun 8-12, 2026 – Free-source build
Sideways regime held; net call premium 2.2x put across 5 sessions; no single-name positioning carried through the week.
Honest framing. Retrospective read on closing positioning. Not a forecast, not a recommendation. Where readings are degraded, the data-quality strip and footnote flag it.
How to read this Pulse
KPI strip → Sector tape → Concentration (top single-name net premium) → This Week’s Tell → Dark-pool prints (FINRA T-14) → What changed → Next session catalysts → Data quality + methodology + disclaimer. The KPI strip carries the headline reads; the rest is the structure beneath them.
MPI
50
▲ Sideways
Regime
Sideways
Low confidence
Key Level
SPY $742
Watch gamma flip
Call Premium
$41.33B
vs Put $18.76B
P/C Volume
0.66
ratio
EOD Tide
-$127.3M
closed at session lows (steady distribution)
Sector TapeClose · net options premium
ETF · Sector
Day %
Call prem
Put prem
Net
SPY S&P 500 (broad market)
+0.00%
$1.53B
$1.25B
$281.0M
XLB Materials
+0.00%
$546.2K
$117.3K
$428.9K
XLC Communication Services
+0.00%
$129.0K
$212.4K
-$83.4K
XLE Energy
+0.00%
$11.0M
$4.1M
$6.9M
XLF Financials
+0.00%
$11.8M
$9.0M
$2.8M
XLI Industrials
+0.00%
$1.5M
$2.1M
-$663.8K
XLK Technology
+0.00%
$4.9M
$976.0K
$3.9M
XLP Consumer Staples
+0.00%
$693.5K
$657.0K
$36.5K
XLRE Real Estate
+0.00%
$76.6K
$3.7K
$72.9K
XLU Utilities
+0.00%
$2.8M
$1.1M
$1.7M
XLV Health Care
+0.00%
$3.7M
$494.0K
$3.2M
XLY Consumer Discretionary
+0.00%
$1.0M
$114.3K
$914.4K
ConcentrationTop single-name net premium
Tech anchors
TSLA+$3.6M
QQQ+$1.6M
META+$708.7K
AMZN+$691.9K
GOOGL-$465.4K
Non-tech anchors
SPXW-$7.9M
SPY-$6.3M
IWM-$6.0M
ROKU+$1.4M
TLT+$948.5K
This Week’s TellStandout single-name positioning
Quiet Tape
No standout single-name positioning today.
Flow distributed evenly across index products. No single ticker accumulated the kind of one-sided ask-side imbalance or concentrated dark-pool absorption that draws institutional attention. Tape stayed in observation mode.
Dark-Pool TellsFINRA OTC ATS · T-14 lag
Ticker
Total premium
Mega-prints (≥100K)
Print count
SPY
$4.03B
19
500
AVGO
$2.46B
8
500
NVDA
$1.53B
11
500
IWM
$1.11B
6
500
QQQ
$935.2M
2
500
AMZN
$741.6M
5
500
AAPL
$736.1M
6
500
GOOGL
$674.2M
4
500
TSLA
$571.5M
1
500
MSFT
$472.7M
3
500
FINRA ATS publishes with a T-14 lag — the off-exchange tape here reflects institutional activity two weeks ago, not the current session.
Cross-Sector Insider HeatmapSEC Form 4 net flow – last 5 sessions
Technology-925M selling
Consumer Cyclical-249M selling
Industrials-213M selling
Financial Services-138M selling
Consumer Defensive-63M selling
Energy-35M selling
Communication Services-26M selling
Basic Materials-22M selling
Real Estate-13M selling
Utilities-10M selling
Healthcare-2M selling
Heaviest selling in Technology.
What ChangedSession deltas
▲Week call-premium total $41.33B vs put $18.76B = 2.2x call-heavy.
▲Materials (XLB) closed Fri at $52.18 (+0.00%).
●Five-session window covered: 2026-06-08 through 2026-06-12.
Next Session CatalystsEyes on the tape
NVDA earnings · expected May 20-21 after close
FOMC May minutes · May 21-22
Existing/New Home Sales · retail bellwether prints mid-week
Sector heatmap · Concentration · Dark pool · By-the-numbers
Data Quality & MethodologyOpen by design
Public-source pipeline. Built on end-of-day option chains, CBOE daily volume summary, FINRA OTC Transparency (T-14 lag), SEC EDGAR Form 4 filings, and our internal MPI snapshot. Zero proprietary data dependency.
Reduced-input session. 2 input sources not available for this session. Read with appropriate caution.
Public data inputs: end-of-day option chains – CBOE Daily Volume Summary – FINRA OTC Transparency (T-14) – SEC EDGAR Form 4 – Not investment advice.
Honest framing. No model weights, lookback windows, or methodology internals are exposed. Model confidence framing reflects internal consistency across inputs, not a probabilistic forecast of any specific outcome.
Disclaimer. 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. Options trading involves substantial risk and can result in losses exceeding initial investment.
MPI 64Bull · early · 85% CI [59-69]VIX 21.51SPY $737.55
Weekly Pulse · Week of Jun 1-5, 2026 · As of Fri close
Bull · early regime held — but growth got sold hard. Energy and Health Care led, Discretionary and Tech lagged into Friday’s payrolls gap-down.
Honest framing. Retrospective read on the week’s closing positioning. SPY finished -2.50% on the week with a -2.58% Friday gap, yet the MPI composite stayed in Bull territory because trend, breadth, and credit sub-indicators held up. Sector dispersion was the story — not the index print. Not a forecast, not a recommendation.
Week % = close on Fri 6/5 vs close on Fri 5/29. Friday % = close on Fri 6/5 vs prior close on Thu. XLE +2.45% led; XLY -5.90% lagged. Dispersion was the headline, not the index.
Concentration · Top 10Total weekly options premium · single names
Ticker
Week Prem
Largest Day
Skew
OI Δ
Note
NVDA
$79.4M
Mon 6/1
71% call
+6.2%
Heaviest single-name flow; large bid-side puts mixed with call repeat hits
MSFT
$49.5M
Fri 5/29
88% call
+4.1%
Repeated upside call flow into and through week
MU
$41.5M
Wed 6/3
38% call
+8.7%
Earnings-week call & put repeat hits; $1000 strike
SNDK
$33.6M
Thu 6/4
0% call
+12.3%
Massive single-day put repeat hits, $1700 strike
GOOGL
$23.1M
Thu 6/4
95% call
+3.4%
LEAPS call flow despite XLC weakness
META
$19.2M
Thu 6/4
80% call
+2.8%
Repeated upside calls into Friday weakness
AVGO
$16.8M
Tue 6/2
27% call
+5.6%
Earnings night flow; put hits dominant
TSLA
$14.4M
Tue 6/2
100% call
+1.9%
Upside call sweep despite XLY rout
AMZN
$12.7M
Mon 6/1
100% call
+2.2%
LEAPS call repeat hits, $250 strike
MRVL
$11.6M
Fri 6/5
100% call
+14.8%
Friday late-day call flow, $280 strike
Single-name concentration aggregated from week’s unusual options activity ≥ $5M premium per print. Skew = call share of total premium; values ≥ 60% lean bullish, ≤ 40% lean bearish. OI Δ is week-over-week directional accumulation, unconfirmed where next-morning OI is pending.
Dark Pool · Top BlocksLargest off-exchange prints of the week
Ticker
Date
Price
Size
Premium
% Avg Vol
Spot
GOOGL
Mon 6/1
$376.37
2.55M sh
$959.9M
11.2%
$376.16
GOOGL
Wed 6/3
$358.99
2.46M sh
$882.1M
7.9%
$359.02
AAPL
Thu 6/4
$311.23
2.60M sh
$808.5M
5.4%
$311.12
MU
Tue 6/2
$1064.10
0.72M sh
$771.4M
1.3%
$1063.14
GOOG
Thu 6/4
$369.27
2.07M sh
$764.1M
9.4%
$368.54
META
Wed 6/3
$622.98
1.20M sh
$747.6M
7.2%
$622.50
META
Thu 6/4
$627.57
1.11M sh
$695.8M
6.7%
$625.73
GOOG
Wed 6/3
$355.68
1.68M sh
$598.0M
7.7%
$355.45
Filtered for blocks > $300M weekly notional, regular and extended-hours sessions. % Avg Vol compares block size to the symbol’s 30-day average daily share volume. Most prints clustered into the 4 PM ET close session — quarter/month-end positioning, not panic exit. All eight clustered tech/comm-services megacaps.
Insider HeatmapNet SEC Form 4 $-flow by sector, 5-day window
Energy
-$2056.5M
Healthcare
-$1992.9M
Technology
-$1408.6M
Industrials
-$704.3M
Consumer Cyclical
-$418.6M
Communication Services
-$129.0M
Basic Materials
-$111.7M
Consumer Defensive
-$60.5M
Financial Services
-$52.6M
Real Estate
-$11.7M
Utilities
-$10.0M
All 11 GICS sectors printed net-sell for the week. Energy and Healthcare carried the deepest absolute-dollar net sells (one Energy block on Thu 6/4 dominated). Consumer Cyclical had a +$23M buy print partially offsetting a $441M sell tape, the best buy/sell ratio of the week. Insiders rarely flip from net-sell to net-buy quickly — this is the typical tape, not a panic signal.
Top MoversLarge-cap only (≥$10B mcap) · week % close-to-close
▲ Gainers
Ticker
Week %
5-Day Vol
Notable
BE
+16.1%
92.4M
Industrials standout; large dark-pool prints + call hits
TER
+11.4%
19.8M
Semi-equipment buy on AI capex narrative
XOM
+4.8%
72.1M
Energy leadership; crude bid
AVGO
+3.4%
27.8M
Held into AMC earnings Wed; chopped after
GILD
+3.1%
36.4M
Healthcare defensive bid; large dark-pool absorption
▼ Decliners
Ticker
Week %
5-Day Vol
Notable
MRVL
-29.6%
95.7M
Worst large-cap drawdown of the week; semis rout
MU
-19.1%
285.7M
Pre-earnings de-risking; reaffirms semi tape
ASTS
-16.5%
89.5M
Comm services weakness amplifies
NBIS
-14.4%
73.9M
AI-adjacent name; flow turned bid-side puts
ORCL
-10.2%
96.4M
Pre-earnings selloff (reports Wed 6/10 AMC)
Filtered to ≥ $10B market cap to remove micro-cap noise. The decliner side is dominated by semis (MRVL, MU) and AI-adjacent names (NBIS, ASTS); the gainer side leans Energy and selective Healthcare. The dispersion mirrors the sector tape.
This Week’s TellWhat the tape said — observation, not recommendation
Sector dispersion did the work the index couldn’t. Energy and Health Care led on classic defensive rotation while Tech and Consumer Discretionary carried -5% to -6% weekly drawdowns into Friday’s payrolls gap-down. Concentration showed the institutional positioning still tilted single-name growth — NVDA, MSFT, GOOGL absorbed the heaviest options flow across the week, with repeat call hits skewed bullish even as the tape sold off. Dark-pool blocks at quarter-end roll: $959M GOOGL on Monday, $808M AAPL on Thursday, $771M MU pre-earnings — large absorption near spot, not panic exit. Insider tape was net-sell across all 11 GICS sectors for the week, with Energy and Healthcare net-sells deepest in absolute dollars. The week’s tell: the index lost 2.5% but breadth held underneath, vol stayed cheap (VRP +8.3), and concentration money kept rolling structural calls in megacaps even into the Friday gap.
Catalyst RecapDrivers of the week
MacroMon 6/1 — ISM Manufacturing (May) 53.2% vs 52.7% prior; S&P final U.S. manufacturing PMI prints.
MacroWed 6/3 — ADP employment +109k vs +120k consensus (miss); ISM Services 53.9 beat 53.6; Fed Beige Book afternoon.
EarningsWed 6/3 AMC — AVGO and CRWD report — heavyweight semi/cyber prints. AVGO opens Wed with $479 spot, finishes week -3% on sector drag.
MacroThu 6/4 — Initial jobless claims steady at 215k; Richmond Fed President speech.
EarningsThu 6/4 AMC — LULU reports — discretionary tape was already weak going in.
MacroFri 6/5 — Nonfarm payrolls report drove the gap. SPY -2.58% on the session, VIX up to 21.51 from 15.40 prior close — biggest single-day vol expansion of the week.
Macro+ERThu 6/11 — PPI (May), initial claims. Earnings AMC: ADBE (Tech, mega-cap S&P 500), LEN (Housing read), RH, REPL, ACB.
Macro+ERFri 6/12 — Quiet macro day after CPI/PPI digestion. Earnings: SBSW.
CPI on Wed 6/10 and PPI on Thu 6/11 frame the macro week; ORCL (Wed AMC) and ADBE (Thu AMC) frame the megacap earnings tape. LEN (Thu AMC) gives the housing read. Quiet macro Friday allows digestion. Setup observation only — the data prints when it prints.
MethodologyHow this Pulse is built
MPI composite. Internal Market Pulse Index blends trend, breadth, volatility, yield curve, credit, sentiment, rotation, currency, and liquidity sub-indicators into a 0-100 score. The 85% confidence band reflects internal consistency across inputs, not a probabilistic forecast.
Sector tape. ETF close-to-close returns across the standard 11 GICS sector SPDRs plus SPY as benchmark. Week % anchored on prior Friday’s close.
Concentration. Aggregated unusual options activity (premium ≥ $5M per print) summed by ticker over Mon-Fri. Skew measured by call share of total premium. Open-interest change pending next-morning confirmation.
Dark pool. Off-exchange (TRF) prints filtered for ≥ $300M notional. Premium computed as size × execution price. Most prints land in the 4 PM ET close session.
Insider flow. Aggregated SEC Form 4 (open-market buy/sell) by sector over the 5 trading days. Net = buys − sells in dollars. Rule 10b5-1 prearranged trades included.
Movers. Filtered to ≥ $10B market cap to remove micro-cap noise. Week % from close-to-close anchored on prior Friday.
Honest framing. Model weights, lookback windows, and methodology internals are not exposed. This is a personal trading journal, not a research product. Not investment advice.
Disclaimer. Retrospective quantitative observation 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. Options trading involves substantial risk and can result in losses exceeding initial investment.
MPI70 RegimeBull SPY$756.48+1.45% WoW QQQ$738.31+2.90% WoW VIX15.32-8.26% WoW SPY/QQQ/VIX as of29 May 2026 close MPI as of27 May close
Saturday, 30 May 2026 — Weekly Pulse, week of 25–29 May 2026. Memorial Day Monday closed the cash session, so the week is four trading days: Tuesday 26 May through Friday 29 May.
The week in five lines
SPY finished the four-session week at $756.48, up 1.45% from the 22 May close of $745.64 — the highest weekly close of the month.
QQQ outperformed materially: +2.90% to $738.31 from $717.54, the best weekly print since the April vol regime broke.
VIX collapsed −8.26% to 15.32 from 16.70 — through the 16 handle on Wednesday, through 15.50 by Friday close.
NVDA went the other way: −1.95% on the week to $211.14 from $215.33, with the bulk of the damage on Friday’s −1.45% session and a roughly $3.5B aggregate dark-print distribution at $211.14 into the close.
The week’s headline off-exchange flow ran through allocator wrappers — a $2.21B EFV print Thursday, ~$3.7B in IVV at $758.29, $1.82B IUSB, $836M IEMG — pointing to multi-asset rebalance, not single-name chasing.
What worked
Long the index trend. Both SPY and QQQ delivered a clean week with low intraday volatility and constructive closes. The QQQ outperformance to SPY (+2.90% versus +1.45%) is notable specifically because it came without NVDA’s help — breadth carried the tape. Cyclical / defensive ratios stayed at the upper-99th-percentile we tagged Tuesday and Wednesday, the credit complex held (HY OAS roughly 2.72–2.74% all week), and the volatility-risk-premium dynamic worked in favor of theta-sellers as VIX moved from 16.70 to 15.32 without a single back-up of consequence.
The international value rotation we flagged Thursday is the cleanest single read of the week. EFV’s $2.21B print is the biggest non-US-equity block we have on record this quarter; pair it with the IUSB $1.82B in the same window and the IEMG $836M-plus prints and the picture is a multi-asset model adding weight across geographies and asset classes. That is durable flow. The IVV strip clearing at $758.29 above spot is the US-equity confirmation — allocators paid up, not down.
PLTR was the cleanest single-name long. Three consecutive sessions of ascending call accumulation across July and September 155 strikes, with chain follow-through and no offsetting put pressure, is exactly the structure that pays off in a trending tape.
What didn’t
NVDA leadership. The stock finished −1.95% on the week against a +2.90% QQQ, and the dispersion widened every session. Friday’s late-tape distribution at $211.14 — eight separate prints over $400M in the final hour and post-close, aggregating to roughly $3.5B in same-price size — was the cleanest evidence the institutional book is no longer adding here. It is not a panic; the bid that absorbed it was patient. But for the trend traders who have been long mega-cap semis as the leadership trade, the week is a notice. The 50-day on NVDA sits at roughly $208; if Monday loses $211, that is the next reference.
Memory pre-earnings positioning. MU absorbed nine-figure dark-pool prints in size all week (Friday’s $542M / $485M / $433M cluster at $971 stands out), and the options chain ran bearish through the $920–$1000 strikes into the 24 June print. SNDK showed the same signature at $1,694.98 with $2.4M bid for 1280 puts on Friday. AVGO is the closer-dated tell — January 2027 puts at the 450 strike took $2.6M on the ask ahead of 3 June earnings. That is a hedging book, not a momentum one.
Volatility carry as a hedge. Anyone long VIX into the week paid for it: a −8% move with no opportunity to monetize on a sustained back-up means the term-structure short was the only viable vol expression. We expect that to continue until something forces a re-rate.
Flow + dark-pool standouts
Ticker
Standout
Read
EFV
$2.21B single block at $78.65 (Thursday)
Biggest international-value print on record this quarter — multi-asset rebalance signature.
IVV
Six $758.29 prints (~$3.7B aggregate) Thursday + $1.35B intraday block
Allocators paid up above spot through the late afternoon; institutional accumulation, not opportunistic.
IUSB
$1.82B block at $46.17 (Thursday)
US aggregate bond rebalance in the same window as EFV; same desk, multi-asset.
NVDA
~$3.5B aggregate at $211.14 (Friday late + post-close)
Concentrated institutional distribution at a single tick. The leadership trade got rotated out.
MU
$1.46B aggregate at $971 (Friday post-close); puts bid $920–$1000
Pre-earnings (24 June) unwind from a large holder. Chain direction matches the tape.
SPY
$1.38B MOC block at $754.64 (Friday)
Clean allocator close of size at the highs of the week.
IEMG
$836M + $707M back-to-back at $83.58 (Thursday)
Emerging markets joining the multi-asset rotation — first time this size in two weeks.
Pre-earnings (3 June) hedging book sized into next week.
PLTR
155 July calls ascending $1.3M; 155 September calls $2.1M (Friday)
Three sessions of bullish call accumulation; cleanest single-name long signature.
SNDK
$516M dark print at $1,694.98 (Friday); 1280 puts $2.4M with sweep
Memory complex tape mirrors MU but earlier in the cycle.
QUAL
Two $863M prints at $215.74 (Thursday)
Quality-factor bid alongside EFV/IUSB; risk-on with discipline.
MSFT / AAPL
$833M / $819M extended-hours Thursday at $426.99 / $312.51
Concentrated mega-cap allocation in the same window; not a single-name catalyst.
MPI + regime trajectory
The formal MPI snapshots through the week tell a steady story: 65 on Tuesday’s 26 May composite (Bull · early), 66 on Wednesday’s 27 May print (Bull · early), 70 on the morning recompute that ran post-Wednesday close (Bull, the early qualifier dropped). The sub-reads were stable to better all week — trend score 68 → 70, breadth 90 → 96 → 97, credit 86 → 87, sentiment 59 → 61. The HMM bull-state confidence ran 99% through Wednesday before sliding to a sideways read on the latest recompute as breadth percentiles stretched into the upper-98s. The composite’s high confidence (85% CI 65–75 on the latest) sits comfortably above the bull/sideways threshold.
Two housekeeping notes on the trajectory. The post-close MPI pipeline did not fire after the 28 May or 29 May session — the freshest formal print we have for the strip is the 27 May close composite at 70 / Bull, with the spy_spot input of $750.46 confirming the data lineage. We expect the pipeline to roll forward over the weekend. Second, the 23 May Weekly Pulse (id 2762) was filed under the Daily Pulse category in error during publish; this is housekeeping for the archive, not an editorial correction.
What to watch into next week
NVDA $211 → $208 — Friday’s pin, then the 50-day. Loss of $208 changes the dispersion read materially.
SPY $755 — the close the tape defended Thursday and Friday. Acceptance keeps the trend; rejection forces a re-rate.
QQQ $740 — Friday’s high water and the next round number. A breakout extension would need to come without NVDA cooperation.
AVGO earnings — Tuesday 3 June. The January 2027 put bid is already in place; the question is which side gets surprised.
VIX 15.00 → 14 — if Monday accepts a 14-handle, dealer gamma stays supportive into AVGO and the next leg.
10-year yield 4.50% — quiet all week and the macro line that matters most. Watch the next auction window.
ORCL into 10 June earnings — first pre-print positioning showed up in the chain Friday; track for follow-through.
The set-up
The week’s profile is a tape where the broad market is doing exactly what we want it to do — higher highs, lower vol, allocator wrappers absorbing size — while one of the four largest weights in those wrappers is being distributed at the close. That divergence has a shelf life. Either breadth keeps carrying and NVDA consolidates without breaking, in which case the dispersion compresses on its own; or NVDA pulls breadth back toward it, in which case the index makes the bigger move next. The volatility tape is voting for the first read. The dark prints in NVDA and MU are reminding us that the second read is not yet ruled out. We carry the trend into the new week with the same discipline: long the index, lighter on mega-cap concentration, respect the levels the institutional book just paid for, and pay attention to AVGO Tuesday.
Method note
Weekly Pulse synthesizes the week’s end-of-day options flow, off-exchange block prints, and our proprietary market posture index into a single read. The composite signal weights multiple cross-asset and cross-market inputs and adjusts to regime context; specific weights, lookbacks, and transition logic are not disclosed. Flow attribution is descriptive, not predictive — volume can reflect opens, closes, rolls, or hedges, and open-interest changes require next-session confirmation. Flow and dark-pool data sourced from our analytical pipeline. MPI score and regime classifier are our internal composite; weekly synthesis is AI-assisted from those inputs.
This is research, not advice. Position sizing, risk management, and exit discipline are yours.
MPI57RegimeBull · earlySPY$745.64+0.88% wkQQQ$717.54+1.04% wkVIX16.70−9.4% wkWeek ended22 May 2026
AZTMM Weekly Pulse · Week of Monday 18 May — Friday 22 May 2026
The week in numbers
Index
Mon open
Fri close
Week change
Week range
SPY
$739.83
$745.64
+0.78% / +0.88% vs 5/15 close
$733.39 – $748.94
QQQ
$711.54
$717.54
+0.84% / +1.04% vs 5/15 close
$698.85 – $719.00
VIX
19.25
16.70
−13.2% / −9.4% vs 5/15 close
16.46 – 19.44
NVDA
$220.50
$215.33
−2.3% / −3.6% vs 5/15 close
$215 – $227.40
What happened
A textbook resilient week. Three catalysts (Monday vol spike, Wednesday FOMC, Wednesday after-hours NVDA earnings) and a -1.78% Thursday session in the largest single-name weight in QQQ. The indices closed Friday at week highs anyway. That’s the story.
The narrative ran in three acts. Monday opened with VIX at 19.44 and SPY testing $733 — the kind of morning that historically marks weekly lows or weekly capitulation, depending. By close, VIX had collapsed to 17.82 and SPY recovered to $738.65. That set the tone: event vol got demanded, then promptly sold. Wednesday delivered the FOMC + NVDA print double-header. FOMC was a non-event, NVDA printed in-line, and the indices closed Wednesday at session highs. Thursday brought the NVDA reaction — stock down 1.78% on heavy bearish premium flow ($188M net negative) — but the rest of the QQQ picked up the slack and the index closed +0.14%. Friday was the quiet send-off: tight range, VIX broke 17, SPY closed at week highs.
Flow themes
Buyer-led across the board. Market-wide P/C ranged 0.64–0.96 every session this week. Call premium dominated put premium 2x or better on three of five days. That’s not how rolling tops look.
VIX regime shift. 19.44 high Monday, 16.46 low Friday — a 15.5% range from peak to trough on a week with no actual sell-off. Vol of vol got crushed. Next-week base case sets up with sub-17 VIX.
MU dark-pool accumulation. Four sessions of large off-exchange prints this week and last: $479M on 5/13, $440M on 5/15, $199M on 5/20, plus follow-on activity. Stock down through the accumulation — classic institutional buying-on-weakness pattern. This is now a Tier-1 watch.
NVDA post-print rotation. Pre-print buyers in July $230C and June $220C are under water by ~$15. If those positions unwind next week, that’s incremental selling NVDA doesn’t need. Watch $215.
Friday divergence flag. SPY closed +0.39% but net premium printed -$86M (first negative-net SPY session of the week). Single data point, but worth marking. Two consecutive negative-net sessions with the tape up = late-cycle distribution signal.
Big blocks of the week
Day
Ticker
Block size
Print level
Read
Mon 5/18
MU
$440M
$734
2nd large MU print in 3 sessions
Mon 5/18
CSCO
$176M
$117.35
Single large block, watch for follow-on
Mon 5/18
AMZN
$148M
$267 zone
Continuation of multi-week pattern
Wed 5/20
MU
$199M
$724
3rd large MU print in 8 sessions
Wed 5/20
APLD
$117M
$38.66
Proportionally enormous for the name
Wed 5/20
AMZN
$140M+
$267 zone
Stacking trade ongoing
What we’re watching into next week
SPY $740 floor / $750 ceiling. Friday closed $745.64, the middle of that range. Tuesday’s open tells you the bias.
NVDA $215 line. Friday’s close. A break = post-earnings unwind continues, with $210 as next zone. A bid = base is in.
VIX sub-17. First close below 17 in two weeks. Sustained sub-17 = the late-Q2 vol floor is set. A pop back above 18 means Friday was a head-fake.
MU continuation. Four large dark-pool prints inside 10 sessions. A fifth in the $720–$740 zone next week = high-conviction accumulation setup.
SPY net premium. Friday’s -$86M was the first negative session of the week. If next Monday/Tuesday repeat the pattern with the tape still bid, that’s distribution under cover of an up move.
Watch for the Tuesday MU print. 5/27 is the next normal trading day (Memorial Day on Monday 5/26). If MU prints another block on Tuesday, that’s five sessions in a stacking pattern.
Names on our radar
Ticker
Week signal
Read
SPY
+0.88% week, VIX -9.4%, Fri net -$86M
Tape bid, marginal flow flipping
QQQ
+1.04% week despite NVDA -3.6%
Breadth carried the index
NVDA
-3.6% week, post-print sellers, $215 line
Rotation OUT continuing
MU
$199M + $440M + $479M (last 8 sessions)
Tier-1 institutional accumulation
APLD
$117M dark-pool print 5/20
Watch for follow-on next week
AMZN
Multi-week off-exchange stacking $267
Pattern intact
TSLA
Multiple Jun-5 $420C sweeps
Short-dated directional positioning
AMD
$2.3M Jun-18 $400P sweep 5/21
Hedge or fade; watch $425
ASTS
$3.4M Aug $150C ascending fills
High-conviction long
GOOG
Mar-2027 $340C LEAPS — $864K 5/21
Long-dated bullish positioning
The set-up
A week that should have been worse. Three catalysts, a major single-name reaction, a vol spike Monday — and the indices closed at week highs with VIX broken below 17. The friction is now showing in two places: SPY net premium flipped negative Friday for the first time this week, and NVDA refuses to find a bid post-print. Neither is a red flag yet; both go on the watch list.
Memorial Day takes Monday off. The next trading session is Tuesday 5/27 — a short week with four sessions. Base case heading in: the bid holds unless SPY closes below $740 with VIX back above 18. The single-name asymmetry continues to be where the work is — NVDA at the $215 line, MU continuation, the dark-pool stackers in APLD and AMZN.
Method note
The Weekly Pulse aggregates the full week’s options flow, dark-pool prints, and volatility data, applies our internal filters and conviction model, and surfaces only what cleared our thresholds across the five-session window. Specific model weights, lookback windows, and signal-construction methodology are proprietary. 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.
This is research, not advice. Position sizing, risk management, and exit discipline are yours.