NTRA gamma exposure by strike

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

NTRA closed at 405.92 on October 20, 2026 with dealers net short $672K of gamma. The call wall was 350 (−13.8%), the put wall 400 (−1.5%) and the apex, the single largest gamma strike, 400.

−$672K
Net gamma
350
Call wall
−13.8%
400
Put wall
−1.5%
375
Gamma flip
−7.6%

NTRA largest gamma strikes within 4% of the close

Strikeshort ← dealer gamma → long
420
−$41K
410
−$370K
— close 405.92 —
400
−$706K
390
−$66K

The heaviest strike on the October 20, 2026 book was 400, carrying −$706K of dealer gamma, −1.5% from the close.

NTRA closed with dealers short gamma on 25 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 NTRA's map move live all session.

Common questions

What is NTRA's gamma exposure?

At the October 20, 2026 close, NTRA's net dealer gamma exposure was −$672K: short gamma.

Where is NTRA's call wall?

350, −13.8% from the 405.92 close on October 20, 2026.

Where is NTRA's put wall?

400, −1.5% 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.