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Contract OI history

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Dec 18, 2026 EXPIRATION

M $28.00 Call

M261218C00028000

Latest saved OI1,429Oct 23, 2026
Last change+897vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
M $28.00 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. 1,4297140 2026-10-02: 493 OI2026-10-05: 493 OI2026-10-06: 495 OI2026-10-07: 495 OI2026-10-08: 495 OI2026-10-09: 495 OI2026-10-13: 534 OI2026-10-14: 534 OI2026-10-15: 534 OI2026-10-16: 534 OI2026-10-21: 532 OI2026-10-23: 1,429 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, 2026Viewing1,429+897
Oct 21, 2026532-2
Oct 16, 20265340
Oct 15, 20265340
Oct 14, 20265340
Oct 13, 2026534+39
Oct 09, 20264950
Oct 08, 20264950
Oct 07, 20264950
Oct 06, 2026495+2
Oct 05, 20264930
Oct 02, 2026493No prior observation