Reading the market regime before prices move
Reading the market regime before prices move
Every number here is computed from the traded GD 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 |
|---|---|---|---|---|
| 345.00 | 2 | 14 | 5 | Put |
| 350.00 | 29 | 141 | 7 | Put |
| 352.50 | 0 | 10 | — | Put |
| 355.00 | 2 | 121 | 22 | Put |
| 357.50 | 0 | 19 | 15 | Put |
| 360.00 | 140 | 374 | 41 | Put |
| 362.50 | 2 | 114 | 14 | Put |
| 365.00 | 22 | 151 | 22 | Put |
| 367.50 | 23 | 5 | 5 | Call |
| 370.00 | 500 | 191 | 69 | Call |
| 372.50 | 6 | 0 | — | Call |
| 375.00 | 44 | 19 | 10 | Call |
| Day | Price | Gamma flip | Call wall | Put wall |
|---|---|---|---|---|
| 2026-08-10 | 394.94 | 338.36 | 400.00 | 390.00 |
| 2026-08-11 | 392.93 | 340.66 | 400.00 | 390.00 |
| 2026-08-12 | 394.61 | 340.47 | 400.00 | 390.00 |
| Metric | Value |
|---|---|
| Max pain strike | 370.00 |
| Put/Call ratio · today's volume | 0.40 |
| Put/Call ratio · open interest | 0.68 |
| 0DTE gamma flip | 341.55 |
| 0DTE contracts in chain | 140 |
| Total contracts read | 684 |
Price 359.39 is above the gamma flip 354.88 by 1.27%. 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. Price is inside the range between 355.00 and 380.00, closer to Put wall of the two.
أكبرُ تجمّعٍ لعقود الشراء عند 380.00 (5.73% from price)، ولعقود البيع عند 355.00 (-1.22% from price)، والمسافةُ بينهما 7.04٪، a **wide** range. That does not imply a move is coming, only that the walls are far enough apart not to confine GD during the session, so flow leads rather than hedging.
صافي تعرّض الغاما لـGD يبلغ 397,541، وهو حجمٌ محدود. Hedging for a 1% move is about 1,106 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 684 contracts in the chain.
Over the last 27 days of tracking (292 archived snapshots), GD stayed above the gamma flip in 100% of readings، وتنقّلت نقطةُ الانقلاب نفسُها بين 337.33 و359.84، أي بنطاق 6.67٪، 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 below the period average (8.05 مليون).
