USO gamma exposure by strike

From the closing options book · October 20, 2026 · updated after every close

USO closed at 160.61 on October 20, 2026 with dealers net long $23.3M of gamma. The call wall was 165 (+2.7%), the put wall 145 (−9.7%) and the apex, the single largest gamma strike, 165.

+$23.3M
Net gamma
165
Call wall
+2.7%
145
Put wall
−9.7%
164.5
Gamma flip
+2.4%

USO largest gamma strikes within 4% of the close

Strikeshort ← dealer gamma → long
167
+$1.3M
166
+$2.1M
165
+$10.3M
164
+$3.2M
163
+$3.5M
162.5
+$840K
162
+$5.3M
161
+$1.5M
— close 160.61 —
160
+$972K
159
+$1.5M
155
−$2.3M

The heaviest strike on the October 20, 2026 book was 165, carrying +$10.3M of dealer gamma, +2.7% from the close.

USO closed with dealers short gamma on 17 of the last 60 sessions. In short gamma, dealer hedging buys rallies and sells drops, which tends to extend moves; in long gamma it leans against them.

Positive (green) strikes are where dealers are long gamma and hedge against the move; negative (pink) strikes are where they are short and hedge with it. These are closing levels: where hedging was concentrated last night, not targets.

These are the October 20, 2026 closing numbers. Members see USO's map move live all session.

Common questions

What is USO's gamma exposure?

At the October 20, 2026 close, USO's net dealer gamma exposure was +$23.3M: long gamma.

Where is USO's call wall?

165, +2.7% from the 160.61 close on October 20, 2026.

Where is USO's put wall?

145, −9.7% from the close on October 20, 2026.

Compare: gamma exposure by strike on other tickers

Measured from the closing options book and rebuilt after every close. Nothing on this page is live. Levels are where dealer hedging is concentrated, not targets or forecasts. Not investment advice.