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Contract OI history

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Oct 23, 2026 EXPIRATION

M $25.50 Call

M261023C00025500

Latest saved OI247Oct 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 $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. 2471230 2026-10-02: 110 OI2026-10-05: 110 OI2026-10-06: 110 OI2026-10-07: 110 OI2026-10-08: 110 OI2026-10-09: 110 OI2026-10-13: 114 OI2026-10-14: 114 OI2026-10-15: 114 OI2026-10-16: 169 OI2026-10-21: 247 OI2026-10-23: 247 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, 2026Viewing2470
Oct 21, 2026247+78
Oct 16, 2026169+55
Oct 15, 20261140
Oct 14, 20261140
Oct 13, 2026114+4
Oct 09, 20261100
Oct 08, 20261100
Oct 07, 20261100
Oct 06, 20261100
Oct 05, 20261100
Oct 02, 2026110No prior observation