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Contract OI history

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Oct 23, 2026 EXPIRATION

M $23.50 Call

M261023C00023500

Latest saved OI404Oct 23, 2026
Last change+15vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
M $23.50 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. 4042020 2026-10-02: 28 OI2026-10-05: 35 OI2026-10-06: 56 OI2026-10-07: 56 OI2026-10-08: 56 OI2026-10-09: 55 OI2026-10-13: 111 OI2026-10-14: 111 OI2026-10-15: 217 OI2026-10-16: 231 OI2026-10-21: 389 OI2026-10-23: 404 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, 2026Viewing404+15
Oct 21, 2026389+158
Oct 16, 2026231+14
Oct 15, 2026217+106
Oct 14, 20261110
Oct 13, 2026111+56
Oct 09, 202655-1
Oct 08, 2026560
Oct 07, 2026560
Oct 06, 202656+21
Oct 05, 202635+7
Oct 02, 202628No prior observation