Reading the market regime before prices move
Reading the market regime before prices move
Every number here is computed from the traded ON 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 |
|---|---|---|---|---|
| 69.00 | 19 | 320 | 38 | Put |
| 70.00 | 1,214 | 6,310 | 189 | Put |
| 71.00 | 64 | 847 | 176 | Put |
| 72.00 | 420 | 572 | 183 | Put |
| 73.00 | 534 | 670 | 321 | Put |
| 74.00 | 576 | 739 | 110 | Put |
| 75.00 | 1,654 | 7,013 | 3,748 | Put |
| 76.00 | 1,182 | 1,183 | 50 | Put |
| 77.00 | 756 | 315 | 2,675 | Call |
| 78.00 | 1,426 | 656 | 819 | Call |
| 79.00 | 731 | 174 | 154 | Call |
| 80.00 | 11,623 | 5,224 | 1,328 | Call |
| Day | Price | Gamma flip | Call wall | Put wall |
|---|---|---|---|---|
| 2026-08-10 | 80.95 | 80.97 | 85.00 | 80.00 |
| 2026-08-11 | 80.94 | 80.87 | 85.00 | 80.00 |
| 2026-08-12 | 83.79 | 80.66 | 85.00 | 80.00 |
| Metric | Value |
|---|---|
| Max pain strike | 77.00 |
| Put/Call ratio · today's volume | 0.22 |
| Put/Call ratio · open interest | 0.68 |
| 0DTE gamma flip | 78.02 |
| 0DTE contracts in chain | 94 |
| Total contracts read | 522 |
Price 74.3800 is above the gamma flip 72.7400 by 2.25%. Positioning is positive: as price rises dealers sell hedges, and as it falls they buy — so their hedging acts as a brake pulling price toward the middle. This explains sessions that look quiet despite news that would justify a wider move. والسعرُ في منتصف المسافة بين الجدارين (70.0000 و80.0000)، أبعدُ نقطةٍ عن either, and the position that calls for the least flow-driving hedging.
أكبرُ تجمّعٍ لعقود الشراء عند 80.0000 (7.56% from price)، ولعقود البيع عند 70.0000 (-5.89% from price)، والمسافةُ بينهما 14.29٪، a **wide** range. That does not imply a move is coming, only that the walls are far enough apart not to confine ON during the session, so flow leads rather than hedging.
صافي تعرّض الغاما لـON يبلغ 1.44 مليون، وهو حجمٌ محدود. Hedging for a 1% move is about 19,357 shares. In this range hedging stays secondary to the stock's own flow, so the levels below should not be asked to carry more than they can.
and this reading is built on 522 contracts in the chain.
Over the last 27 days of tracking (292 archived snapshots), ON stayed above the gamma flip in 64% of readings، وتنقّلت نقطةُ الانقلاب نفسُها بين 70.5800 و83.8700، أي بنطاق 18.83٪، وهو ما يعني أنّ the level moves with the market and does not serve as a fixed reference across days، and net exposure today is above the period average (821,918).
