OITracker Cboe delayed data

Contract OI history

Back to T

Oct 15, 2027 EXPIRATION

T $27.00 Put

T271015P00027000

Latest saved OI64Oct 23, 2026
Last change+9vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $27.00 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. 64320 2026-10-02: 51 OI2026-10-05: 51 OI2026-10-06: 51 OI2026-10-07: 51 OI2026-10-08: 51 OI2026-10-09: 54 OI2026-10-14: 54 OI2026-10-15: 56 OI2026-10-16: 56 OI2026-10-21: 55 OI2026-10-23: 64 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, 2026Viewing64+9
Oct 21, 202655-1
Oct 16, 2026560
Oct 15, 202656+2
Oct 14, 2026540
Oct 09, 202654+3
Oct 08, 2026510
Oct 07, 2026510
Oct 06, 2026510
Oct 05, 2026510
Oct 02, 202651No prior observation