RUT GEX — week of 14–20 Sep 2026

Gamma flip, P1 and N1 from each daily snapshot (after the US close), all expirations

Above the flip
0 of 5sessions in positive gamma
Flip range
2,924 – 3,002
Spot, week
-0.6%2,892 → 2,875

RUT stayed below the gamma flip on all 5 sessions of the week: negative gamma, where dealer hedging tends to amplify moves. The flip ranged from 2,924 to 3,002. Spot went from 2,892 to 2,875 (-0.6%) by the next week's first snapshot. The largest next-day move, -0.8%, followed the 14 Sep snapshot (negative gamma).

2,847 2,889 2,930 2,972 3,014 Mon 14 Tue 15 Wed 16 Thu 17 Fri 18
Spot Gamma flip · dots: positive / negative gamma

Daily snapshots

SnapshotSpotGamma flipSpot vs flipP1N1RegimeNext day
14 Sep 16:14 ET 2,892 3,002 -3.8% 3,005 2,900 Negative -0.8%
15 Sep 16:09 ET 2,870 2,953 -2.9% 3,000 2,900 Negative -0.4%
16 Sep 16:07 ET 2,859 2,930 -2.5% 3,100 2,850 Negative +0.6%
17 Sep 16:04 ET 2,875 2,924 -1.7% 3,000 2,850 Negative -0.5%
18 Sep 16:01 ET 2,860 2,995 -4.7% 3,100 2,900 Negative +0.5%

"Spot vs flip": how far spot sat above (+) or below (−) the flip. "Next day": spot change to the next daily snapshot. P1 / N1: the strikes with the largest positive and negative gamma. How the levels are computed: methodology.

RUT gamma exposure today

Today's flip, P1, N1 and max pain are on the RUT GEX page. In the app the levels update every 15 minutes, and the Time Machine replays any past moment.

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Levels as published on each day from that day's options open interest; venue coverage has grown over time. Educational information, not investment advice.