OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

M $10.00 Put

M280121P00010000

Latest saved OI1,740Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
M $10.00 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. 1,7408700 2026-10-02: 1,734 OI2026-10-05: 1,734 OI2026-10-06: 1,734 OI2026-10-07: 1,734 OI2026-10-08: 1,734 OI2026-10-09: 1,738 OI2026-10-13: 1,738 OI2026-10-14: 1,738 OI2026-10-15: 1,738 OI2026-10-16: 1,738 OI2026-10-21: 1,738 OI2026-10-23: 1,740 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, 2026Viewing1,740+2
Oct 21, 20261,7380
Oct 16, 20261,7380
Oct 15, 20261,7380
Oct 14, 20261,7380
Oct 13, 20261,7380
Oct 09, 20261,738+4
Oct 08, 20261,7340
Oct 07, 20261,7340
Oct 06, 20261,7340
Oct 05, 20261,7340
Oct 02, 20261,734No prior observation