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.
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, HMM 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.
§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 | 0.8× | ★★ | |
| NVDA | Info Tech | 364 | 10.6× | ★★ | |
| SPX | Index | 325 | 1.3× | ★ | |
| QQQ | Index | 261 | 1.3× | ★★ | |
| SPY | Index | 243 | 0.8× | ★★ | |
| TSLA | Cons. Disc. | 212 | 2.4× | ★ | |
| NDX | Index | 186 | 2.1× | ★ | |
| MSFT | Info Tech | 160 | 3.4× | ★★ | |
| GOOGL | Comm. Svc. | 133 | CALL | ★ | |
| AAPL | Info Tech | 130 | 2.3× | ★★ | |
| AMD | Info Tech | 93 | 3.5× | ★ | |
| QCOM | Info Tech | 87 | CALL | ★ | |
| TSM | Info Tech | 62 | CALL | ★ | |
| COIN | Financials | 59 | CALL | ★ | |
| META | Comm. Svc. | 49 | 0.0× | ★ |
Top 15 — Dark Pool by Session Notional
| Ticker | Sector | Notional (USD M) | Relative | Prints | Overlap |
|---|---|---|---|---|---|
| SPY | Index | 4,528 | 37 | ★★ | |
| QQQ | Index | 1,929 | 22 | ★★ | |
| MSFT | Info Tech | 1,476 | 7 | ★★ | |
| AAPL | Info Tech | 1,269 | 15 | ★★ | |
| HYG | ETF (HY credit) | 1,049 | 29 | ★ | |
| LLY | Health Care | 928 | 3 | ★ | |
| NVDA | Info Tech | 872 | 17 | ★★ | |
| IWM | Index | 855 | 10 | ★ | |
| XOM | Energy | 759 | 8 | ★ | |
| CRM | Info Tech | 707 | 3 | ★ | |
| CRCL | Financials | 667 | 2 | ★ | |
| SNDK | Info Tech | 662 | 3 | ★ | |
| MU | Info Tech | 605 | 2 | ★★ | |
| AMAT | Info Tech | 581 | 4 | ★ | |
| VOO | Index | 558 | 3 | ★ |
ObservationsSession-level
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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
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 transition matrix, 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 (CBOE 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 (AAII 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
$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 CBOE, credit spread from HYG and LQD closes via Yahoo Finance.