OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

T $15.00 Put

T270115P00015000

Latest saved OI4,167Oct 23, 2026
Last change+458vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $15.00 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. 4,1672,0830 2026-10-02: 3,683 OI2026-10-05: 3,683 OI2026-10-06: 3,682 OI2026-10-07: 3,682 OI2026-10-08: 3,682 OI2026-10-09: 3,714 OI2026-10-14: 3,707 OI2026-10-15: 3,708 OI2026-10-16: 3,709 OI2026-10-21: 3,709 OI2026-10-23: 4,167 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, 2026Viewing4,167+458
Oct 21, 20263,7090
Oct 16, 20263,709+1
Oct 15, 20263,708+1
Oct 14, 20263,707-7
Oct 09, 20263,714+32
Oct 08, 20263,6820
Oct 07, 20263,6820
Oct 06, 20263,682-1
Oct 05, 20263,6830
Oct 02, 20263,683No prior observation