Bitcoin (BTC) GEX — week of 14–20 Sep 2026

Gamma flip, P1 and N1 from each daily snapshot (08:00 UTC), all expirations

Above the flip
7 of 7days in positive gamma
Flip range
72,055 – 74,689
Spot, week
+5.0%77,835 → 81,710

BTC stayed above the gamma flip on all 7 days of the week: positive gamma, where dealer hedging tends to dampen moves. The flip ranged from 72,055 to 74,689. Spot went from 77,835 to 81,710 (+5.0%) by the next week's first snapshot. The largest next-day move, +4.0%, followed the 18 Sep snapshot (positive gamma).

71,333 73,949 76,564 79,180 81,795 Mon 14 Tue 15 Wed 16 Thu 17 Fri 18 Sat 19 Sun 20
Spot Gamma flip · dots: positive / negative gamma

Daily snapshots

SnapshotSpotGamma flipSpot vs flipP1N1RegimeNext day
14 Sep 08:08 UTC 77,835 72,055 +7.4% 80,000 75,000 Positive -1.3%
15 Sep 08:05 UTC 76,856 72,376 +5.8% 80,000 75,000 Positive -1.6%
16 Sep 08:07 UTC 75,599 73,165 +3.2% 80,000 75,000 Positive +1.2%
17 Sep 08:02 UTC 76,473 74,689 +2.3% 80,000 75,000 Positive +1.9%
18 Sep 08:02 UTC 77,958 72,802 +6.6% 80,000 75,000 Positive +4.0%
19 Sep 08:04 UTC 81,074 73,288 +9.6% 82,000 75,000 Positive -0.9%
20 Sep 08:01 UTC 80,375 73,018 +9.2% 82,000 80,500 Positive +1.7%

"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.

BTC gamma exposure today

Today's flip, P1, N1 and max pain are on the BTC 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.