OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

M $26.00 Put

M270115P00026000

Latest saved OI41Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
M $26.00 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. 41200 2026-10-02: 40 OI2026-10-05: 40 OI2026-10-06: 40 OI2026-10-07: 40 OI2026-10-08: 40 OI2026-10-09: 40 OI2026-10-13: 40 OI2026-10-14: 40 OI2026-10-15: 40 OI2026-10-16: 38 OI2026-10-21: 38 OI2026-10-23: 41 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, 2026Viewing41+3
Oct 21, 2026380
Oct 16, 202638-2
Oct 15, 2026400
Oct 14, 2026400
Oct 13, 2026400
Oct 09, 2026400
Oct 08, 2026400
Oct 07, 2026400
Oct 06, 2026400
Oct 05, 2026400
Oct 02, 202640No prior observation