# DIA — GEX Heatmap · GammaGrid demo

**Gamma weather: Storm.** This chain has no gamma flip within 25% of the price, so only the sign of gamma is known — negative, hedging amplifies moves. *(next 25 days · 4 expiries)*

| Level | Value |
|---|---|
| Price | 522.19 |
| Call wall | 543.00 |
| Put wall | 515.00 |
| Gamma flip | — |
| Net GEX | -1.6 M |

## Gamma exposure across expiries

Net dealer gamma per expiry (the columns of the heatmap), and the walls and the gamma flip as they stand with more expiries folded in — the heatmap's depth slider.

| Expiry | Net GEX | Contracts |
|---|---|---|
| 2026-11-13 | -2.3 M | 166 |
| 2026-11-20 | 2.1 M | 182 |
| 2026-11-27 | -0.3 M | 148 |
| 2026-12-04 | -1.1 M | 142 |
| 2026-12-11 | 0.6 M | 131 |
| 2026-12-18 | 1.2 M | 268 |

| Expiries folded in | Call wall | Put wall | Gamma flip |
|---|---|---|---|
| 1 | 536.00 | 515.00 | — |
| 2 | 557.00 | 515.00 | — |
| 3 | 543.00 | 515.00 | — |
| 4 | 543.00 | 515.00 | — |
| 5 | 543.00 | 515.00 | — |
| 6 | 675.00 | 500.00 | 598.94 |

## About these numbers

Computed by GammaGrid from the DIA options chain — dealer gamma exposure, max pain and the walls are GammaGrid's own arithmetic over open interest; the source data is delayed. Collected 2026-11-09T17:34:11.647096 UTC; this page follows the collection, roughly every fifteen minutes while the market is open.

Other views of DIA: [Overview](https://app.gammagrid.io/demo/t/DIA.md) · [Max Pain / GEX](https://app.gammagrid.io/demo/t/DIA/max-pain.md) · [Volatility (IV)](https://app.gammagrid.io/demo/t/DIA/volatility.md).

Canonical page: <https://app.gammagrid.io/demo/t/DIA/heatmap> · The demo shows the free list only; a GammaGrid account watches any US-listed ticker with options, replays earlier collections and opens every contract: <https://app.gammagrid.io/>