Dealer gamma · PCG
Computed 2026-10-12 after the close from PCG's listed option chain. Nothing here is predicted: these are the strikes where dealer hedging concentrates, recomputed every trading night.
Computed 2026-10-12 23:44 · refreshed nightly
| Night | Spot | Flip | Call wall | Put wall | Net gamma |
|---|---|---|---|---|---|
| 2026-10-12 | 13.13 | 14 | 16 | 13 | +$0.02bn |
| 2026-10-11 | 13.13 | 15 | 16 | 13 | +$0.02bn |
| 2026-10-10 | 13.13 | 15 | 16 | 13 | +$0.02bn |
| 2026-10-08 | 12.79 | 14 | 16 | 11 | +$0.01bn |
| 2026-10-07 | 12.5 | 14 | 16 | 11 | +$0.01bn |
| 2026-10-06 | 12.35 | 15 | 16 | 13 | +$0.01bn |
| 2026-10-05 | 12.35 | 15 | 14 | 11 | +$0.01bn |
| 2026-10-04 | 12.32 | 15 | 14 | 11 | +$0.01bn |
| 2026-10-03 |
What a wall is: the strike where dealers' hedging exposure concentrates. Price approaching a large call wall tends to meet hedging flow that leans against the move; losing a put wall can accelerate one. A wall is a level that usually matters — not a promise. Our index levels are graded publicly against every session for exactly that reason.
Where this data goes: this same nightly computation feeds the Intel Clearance morning wire — filings, 13F moves, dark-pool share and these walls on the names you follow, read for you by 07:40. And inside the terminal, the index books recompute through the session as 0DTE flow rebuilds the surface.
| 12.32 |
| 15 |
| 14 |
| 11 |
| +$0.01bn |
| 2026-10-02 | 12.17 | 15 | 14 | 11 | +$0.01bn |
