OITracker Cboe delayed data

Contract OI history

Back to T

Jan 15, 2027 EXPIRATION

T $27.00 Put

T270115P00027000

Latest saved OI8,681Oct 23, 2026
Last change+13vs 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. 8,7444,3720 2026-10-02: 8,744 OI2026-10-05: 8,741 OI2026-10-06: 8,741 OI2026-10-07: 8,741 OI2026-10-08: 8,741 OI2026-10-09: 8,740 OI2026-10-14: 8,698 OI2026-10-15: 8,698 OI2026-10-16: 8,668 OI2026-10-21: 8,668 OI2026-10-23: 8,681 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, 2026Viewing8,681+13
Oct 21, 20268,6680
Oct 16, 20268,668-30
Oct 15, 20268,6980
Oct 14, 20268,698-42
Oct 09, 20268,740-1
Oct 08, 20268,7410
Oct 07, 20268,7410
Oct 06, 20268,7410
Oct 05, 20268,741-3
Oct 02, 20268,744No prior observation