SCO gamma exposure by strike

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

SCO closed at 16.65 on October 20, 2026 with dealers net short $186K of gamma. The call wall was 17.5 (+5.1%), the put wall 16.5 (−0.9%) and the apex, the single largest gamma strike, 16.5.

−$186K
Net gamma
17.5
Call wall
+5.1%
16.5
Put wall
−0.9%
15.75
Gamma flip
−5.4%

SCO largest gamma strikes within 4% of the close

Strikeshort ← dealer gamma → long
17
−$15K
— close 16.65 —
16.5
−$118K
16
−$91K

The heaviest strike on the October 20, 2026 book was 16.5, carrying −$118K of dealer gamma, −0.9% from the close.

SCO closed with dealers short gamma on 45 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 SCO's map move live all session.

Common questions

What is SCO's gamma exposure?

At the October 20, 2026 close, SCO's net dealer gamma exposure was −$186K: short gamma.

Where is SCO's call wall?

17.5, +5.1% from the 16.65 close on October 20, 2026.

Where is SCO's put wall?

16.5, −0.9% 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.