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Contract OI history

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Mar 19, 2027 EXPIRATION

M $31.00 Call

M270319C00031000

Latest saved OI44Oct 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 $31.00 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. 47230 2026-10-02: 32 OI2026-10-05: 32 OI2026-10-06: 32 OI2026-10-07: 33 OI2026-10-08: 33 OI2026-10-09: 33 OI2026-10-13: 47 OI2026-10-14: 47 OI2026-10-15: 47 OI2026-10-16: 44 OI2026-10-21: 44 OI2026-10-23: 44 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, 2026Viewing440
Oct 21, 2026440
Oct 16, 202644-3
Oct 15, 2026470
Oct 14, 2026470
Oct 13, 202647+14
Oct 09, 2026330
Oct 08, 2026330
Oct 07, 202633+1
Oct 06, 2026320
Oct 05, 2026320
Oct 02, 202632No prior observation