Weekly Pulse – Week of Jul 27-31, 2026 – Free-source build
Sideways regime held; call/put premium ran roughly balanced; no single-name positioning carried through the week.
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.
Key Level
SPY $747
Above gamma flipCall Premium
$24.53B
vs Put $19.04BP/C Volume
0.82
ratioSector TapeClose · net options premium
| ETF · Sector | Day % | Call prem | Put prem | Net |
|---|---|---|---|---|
| SPY S&P 500 (broad market) | +0.72% | $1.20B | $1.36B | -$155.7M |
| XLB Materials | -2.34% | $263.6K | $736.8K | -$473.1K |
| XLC Communication Services | +1.56% | $402.5K | $80.8K | $321.7K |
| XLE Energy | +1.00% | $7.4M | $3.0M | $4.4M |
| XLF Financials | -0.11% | $12.3M | $5.0M | $7.3M |
| XLI Industrials | +0.81% | $1.0M | $433.4K | $567.9K |
| XLK Technology | -0.22% | $5.8M | $5.5M | $301.7K |
| XLP Consumer Staples | -0.49% | $1.1M | $1.9M | -$795.8K |
| XLRE Real Estate | -0.51% | $51.8K | $20.2K | $31.6K |
| XLU Utilities | -0.69% | $440.1K | $637.5K | -$197.4K |
| XLV Health Care | -0.59% | $2.1M | $740.6K | $1.4M |
| XLY Consumer Discretionary | +3.29% | $574.1K | $1.3M | -$739.6K |
ConcentrationTop single-name net premium
Tech anchors
- QQQ-$3.7M
- NVDA+$1.2M
- SMH+$1.1M
- INTC+$1.1M
- AAPL+$826.4K
Non-tech anchors
- SPXW-$6.2M
- SPX-$5.6M
- IWM-$1.3M
- MAGS+$975.0K
- SNDK+$831.6K
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 | $5.00B | 24 | 500 |
| MSFT | $1.97B | 10 | 500 |
| QQQ | $1.64B | 9 | 500 |
| NVDA | $1.46B | 12 | 500 |
| AAPL | $1.35B | 8 | 500 |
| AMZN | $806.9M | 6 | 500 |
| AVGO | $796.4M | 6 | 500 |
| GOOGL | $635.5M | 5 | 500 |
| AMD | $534.5M | 1 | 500 |
| IWM | $466.1M | 5 | 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
Heaviest selling in Technology.
What ChangedSession deltas
- ▲ Week call-premium total $24.53B vs put $19.04B = 1.3x call-heavy.
- ▲ Consumer Discretionary (XLY) closed Fri at $116.09 (+3.29%).
- ● Five-session window covered: 2026-07-27 through 2026-07-31.
Next Session CatalystsEyes on the tape
No major confirmed catalysts · week of Aug 3-7
Sector heatmap · Concentration · Dark pool · By-the-numbers