OITracker Cboe delayed data

Contract OI history

Back to T

Dec 18, 2026 EXPIRATION

T $26.00 Put

T261218P00026000

Latest saved OI1,011Oct 23, 2026
Last change-335vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $26.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,3466730 2026-10-02: 1,235 OI2026-10-05: 1,235 OI2026-10-06: 1,300 OI2026-10-07: 1,300 OI2026-10-08: 1,300 OI2026-10-09: 1,297 OI2026-10-14: 1,295 OI2026-10-15: 1,295 OI2026-10-16: 1,320 OI2026-10-21: 1,346 OI2026-10-23: 1,011 OI Oct 02, 2026Oct 23, 2026

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

T contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,011-335
Oct 21, 20261,346+26
Oct 16, 20261,320+25
Oct 15, 20261,2950
Oct 14, 20261,295-2
Oct 09, 20261,297-3
Oct 08, 20261,3000
Oct 07, 20261,3000
Oct 06, 20261,300+65
Oct 05, 20261,2350
Oct 02, 20261,235No prior observation