Public delayed snapshot · educational

DIA GEX Heatmap (delayed)

Strike × time net-GEX map — where dealer gamma is building or bleeding through the session. Headline numbers are baked into this HTML for crawlers; the matrix refreshes in-browser from /v1/public/gex-heatmap/DIA — not the full paid Desk.

Spot528.03

Gamma flip493.72

Call wall540.00

Put wall525.00

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Updated 2026-09-09T02:48:32-04:00

DIA last printed 528.03, above its 493.72 gamma flip.

The call wall sits at 540.00 (+2.27%) and the put wall at 525.00 (-0.57%), framing a 2.84%-wide band of concentrated open interest.

These are delayed, educational levels for DIA — a picture of where options open interest is stacked, not a trade signal and not a forecast.

Read: how walls work · what the gamma flip means · all delayed levels

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Not investment advice. Delayed public data only.