CSX gamma exposure by strike

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

CSX closed at 48.08 on October 20, 2026 with dealers net long $10.6M of gamma. The call wall was 50 (+4.0%), the put wall 45 (−6.4%) and the apex, the single largest gamma strike, 50.

+$10.6M
Net gamma
50
Call wall
+4.0%
45
Put wall
−6.4%
47.25
Gamma flip
−1.7%

CSX largest gamma strikes within 4% of the close

Strikeshort ← dealer gamma → long
50
+$5.9M
49.5
+$65K
49
+$121K
48.5
+$221K
— close 48.08 —
48
−$82K
47.5
+$160K
47
+$89K
46.5
+$3K

The heaviest strike on the October 20, 2026 book was 50, carrying +$5.9M of dealer gamma, +4.0% from the close.

CSX closed with dealers short gamma on 1 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 CSX's map move live all session.

Common questions

What is CSX's gamma exposure?

At the October 20, 2026 close, CSX's net dealer gamma exposure was +$10.6M: long gamma.

Where is CSX's call wall?

50, +4.0% from the 48.08 close on October 20, 2026.

Where is CSX's put wall?

45, −6.4% 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.