OITracker Cboe delayed data

Contract OI history

Back to EFXT

Nov 20, 2026 EXPIRATION

EFXT $40.00 Call

EFXT261120C00040000

Latest saved OI300Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
EFXT $40.00 call open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3101550 2026-10-02: 310 OI2026-10-05: 310 OI2026-10-06: 310 OI2026-10-07: 300 OI2026-10-09: 300 OI2026-10-13: 300 OI2026-10-14: 300 OI2026-10-16: 300 OI2026-10-20: 300 OI2026-10-23: 300 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

EFXT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3000
Oct 20, 20263000
Oct 16, 20263000
Oct 14, 20263000
Oct 13, 20263000
Oct 09, 20263000
Oct 07, 2026300-10
Oct 06, 20263100
Oct 05, 20263100
Oct 02, 2026310No prior observation