OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

M $25.00 Call

M261030C00025000

Latest saved OI257Oct 23, 2026
Last change+53vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
M $25.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2571280 2026-10-02: 117 OI2026-10-05: 117 OI2026-10-06: 120 OI2026-10-07: 128 OI2026-10-08: 128 OI2026-10-09: 107 OI2026-10-13: 106 OI2026-10-14: 106 OI2026-10-15: 112 OI2026-10-16: 133 OI2026-10-21: 204 OI2026-10-23: 257 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, 2026Viewing257+53
Oct 21, 2026204+71
Oct 16, 2026133+21
Oct 15, 2026112+6
Oct 14, 20261060
Oct 13, 2026106-1
Oct 09, 2026107-21
Oct 08, 20261280
Oct 07, 2026128+8
Oct 06, 2026120+3
Oct 05, 20261170
Oct 02, 2026117No prior observation