OITracker Cboe delayed data

Contract OI history

Back to TFC

Dec 18, 2026 EXPIRATION

TFC $42.50 Put

TFC261218P00042500

Latest saved OI885Oct 23, 2026
Last change+6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TFC $42.50 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8854420 2026-10-02: 743 OI2026-10-05: 744 OI2026-10-06: 744 OI2026-10-07: 748 OI2026-10-08: 858 OI2026-10-09: 873 OI2026-10-13: 874 OI2026-10-14: 874 OI2026-10-15: 874 OI2026-10-16: 874 OI2026-10-21: 879 OI2026-10-23: 885 OI Oct 02, 2026Oct 23, 2026

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

TFC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing885+6
Oct 21, 2026879+5
Oct 16, 20268740
Oct 15, 20268740
Oct 14, 20268740
Oct 13, 2026874+1
Oct 09, 2026873+15
Oct 08, 2026858+110
Oct 07, 2026748+4
Oct 06, 20267440
Oct 05, 2026744+1
Oct 02, 2026743No prior observation