CRH gamma exposure by strike

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

CRH closed at 85.22 on October 20, 2026 with dealers net long $995K of gamma. The call wall was 95 (+11.5%), the put wall 80 (−6.1%) and the apex, the single largest gamma strike, 95.

+$995K
Net gamma
95
Call wall
+11.5%
80
Put wall
−6.1%
84.5
Gamma flip
−0.8%

CRH largest gamma strikes within 4% of the close

Strikeshort ← dealer gamma → long
88
−$8K
87.5
+$165K
87
+$9K
86
+$51K
— close 85.22 —
85
+$105K
83
+$27K
82.5
+$18K
82
−$7K

The heaviest strike on the October 20, 2026 book was 87.5, carrying +$165K of dealer gamma, +2.7% from the close.

CRH closed with dealers short gamma on 34 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 CRH's map move live all session.

Common questions

What is CRH's gamma exposure?

At the October 20, 2026 close, CRH's net dealer gamma exposure was +$995K: long gamma.

Where is CRH's call wall?

95, +11.5% from the 85.22 close on October 20, 2026.

Where is CRH's put wall?

80, −6.1% 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.