OITracker Cboe delayed data

Contract OI history

Back to TFX

Nov 20, 2026 EXPIRATION

TFX $135.00 Call

TFX261120C00135000

Latest saved OI161Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TFX $135.00 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. 161800 2026-10-02: 1 OI2026-10-06: 1 OI2026-10-07: 1 OI2026-10-08: 1 OI2026-10-09: 16 OI2026-10-13: 158 OI2026-10-14: 158 OI2026-10-16: 158 OI2026-10-20: 161 OI2026-10-23: 161 OI Oct 02, 2026Oct 23, 2026

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

TFX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261610
Oct 20, 2026Viewing161+3
Oct 16, 20261580
Oct 14, 20261580
Oct 13, 2026158+142
Oct 09, 202616+15
Oct 08, 202610
Oct 07, 202610
Oct 06, 202610
Oct 02, 20261No prior observation