Reading the market regime before prices move
Every number here is computed from the traded SPY options chain. The call wall is where dealer hedging accumulates above spot and caps upside, the put wall is its mirror below, and the gamma flip is the level where hedging stops damping moves and starts amplifying them.
| Strike | Calls | Puts | Today's volume | Skew |
|---|---|---|---|---|
| 765.00 | 9,314 | 13,217 | 61,363 | Put |
| 766.00 | 4,386 | 4,805 | 26,468 | Put |
| 767.00 | 5,228 | 7,831 | 37,452 | Put |
| 768.00 | 5,267 | 11,130 | 64,576 | Put |
| 769.00 | 3,847 | 8,940 | 112,789 | Put |
| 770.00 | 14,752 | 18,099 | 269,918 | Put |
| 771.00 | 5,387 | 6,698 | 139,844 | Put |
| 772.00 | 5,805 | 7,622 | 127,033 | Put |
| 773.00 | 7,295 | 5,750 | 67,847 | Call |
| 774.00 | 6,252 | 4,468 | 40,519 | Call |
| 775.00 | 18,155 | 5,876 | 76,496 | Call |
| 776.00 | 5,913 | 1,835 | 27,803 | Call |
| Day | Price | Gamma flip | Call wall | Put wall |
|---|---|---|---|---|
| 2026-08-06 | 768.52 | 769.84 | 770.00 | 768.00 |
| 2026-08-07 | 772.96 | 769.27 | 775.00 | 770.00 |
| 2026-08-10 | 773.18 | 767.96 | 780.00 | 772.00 |
| 2026-08-11 | 771.04 | 768.94 | 780.00 | 770.00 |
| 2026-08-12 | 772.88 | 769.91 | 775.00 | 770.00 |
| Metric | Value |
|---|---|
| Max pain strike | 768.00 |
| Put/Call ratio · today's volume | 1.26 |
| Put/Call ratio · open interest | 1.65 |
| 0DTE gamma flip | 770.64 |
| 0DTE contracts in chain | 330 |
| Total contracts read | 1,500 |
Price 770.19 is below the gamma flip 772.42 by only 0.29%. التموضّعُ سالبٌ والمسافةُ ضيّقة، وهذا أشدُّ الأوضاع حساسيّةً: a small bounce returns gamma to positive and the market calms abruptly, while a small drop deepens the negative and it accelerates. Direction is undecided; volatility is not. Price is inside the range between 760.00 and 775.00, closer to Call wall of the two.
The largest call cluster sits at 775.00 (0.62% from price) and the largest put cluster at 760.00 (-1.32% from price). They are 1.97% apart — a normal range: SPY tends to stay inside it while positioning holds, because hedging at each wall resists a break through it.
صافي تعرّض الغاما لـSPY يبلغ −1.21 مليار، حجمٌ معتبَرٌ يُبقي للتحوّط أثراً clearly present without governing the move on its own. A 1% move calls for about 1.57 مليون shares of hedging. So read the levels below alongside volume, not in isolation from it.
and this reading is built on 1,500 contracts in the chain.
Over the last 27 days of tracking (1,653 archived snapshots), SPY stayed above the gamma flip in 46% of readings، وتنقّلت نقطةُ الانقلاب نفسُها بين 763.87 و774.89، أي بنطاق 1.44٪، وهو ما يعني أنّ the level is relatively stable and reads as a firmer reference than a symbol whose level swings، and net exposure today is above the period average (604.84 مليون).