OITracker Cboe delayed data

Contract OI history

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Sep 17, 2027 EXPIRATION

M $15.00 Put

M270917P00015000

Latest saved OI149Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
M $15.00 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. 149740 2026-10-02: 109 OI2026-10-05: 109 OI2026-10-06: 109 OI2026-10-07: 109 OI2026-10-08: 109 OI2026-10-09: 129 OI2026-10-13: 129 OI2026-10-14: 129 OI2026-10-15: 149 OI2026-10-16: 149 OI2026-10-21: 149 OI2026-10-23: 149 OI Oct 02, 2026Oct 23, 2026

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

M contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1490
Oct 21, 20261490
Oct 16, 20261490
Oct 15, 2026149+20
Oct 14, 20261290
Oct 13, 20261290
Oct 09, 2026129+20
Oct 08, 20261090
Oct 07, 20261090
Oct 06, 20261090
Oct 05, 20261090
Oct 02, 2026109No prior observation