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Contract OI history

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Jan 21, 2028 EXPIRATION

M $27.00 Call

M280121C00027000

Latest saved OI424Oct 23, 2026
Last change-4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
M $27.00 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. 4282140 2026-10-02: 294 OI2026-10-05: 315 OI2026-10-06: 315 OI2026-10-07: 315 OI2026-10-08: 315 OI2026-10-09: 386 OI2026-10-13: 386 OI2026-10-14: 386 OI2026-10-15: 386 OI2026-10-16: 386 OI2026-10-21: 428 OI2026-10-23: 424 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, 2026Viewing424-4
Oct 21, 2026428+42
Oct 16, 20263860
Oct 15, 20263860
Oct 14, 20263860
Oct 13, 20263860
Oct 09, 2026386+71
Oct 08, 20263150
Oct 07, 20263150
Oct 06, 20263150
Oct 05, 2026315+21
Oct 02, 2026294No prior observation