OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

M $25.50 Call

M261030C00025500

Latest saved OI47Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
M $25.50 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. 47230 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 10 OI2026-10-07: 10 OI2026-10-08: 10 OI2026-10-09: 10 OI2026-10-13: 15 OI2026-10-14: 15 OI2026-10-15: 39 OI2026-10-16: 40 OI2026-10-21: 46 OI2026-10-23: 47 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, 2026Viewing47+1
Oct 21, 202646+6
Oct 16, 202640+1
Oct 15, 202639+24
Oct 14, 2026150
Oct 13, 202615+5
Oct 09, 2026100
Oct 08, 2026100
Oct 07, 2026100
Oct 06, 202610+9
Oct 05, 202610
Oct 02, 20261No prior observation