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Contract OI history

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Jan 15, 2027 EXPIRATION

MAMA $20.00 Call

MAMA270115C00020000

Latest saved OI667Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
MAMA $20.00 call open interest history 6 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 6673330 2026-10-08: 667 OI2026-10-13: 667 OI2026-10-14: 667 OI2026-10-16: 667 OI2026-10-20: 667 OI2026-10-23: 667 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MAMA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6670
Oct 20, 20266670
Oct 16, 20266670
Oct 14, 20266670
Oct 13, 20266670
Oct 08, 2026667No prior observation