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Contract OI history

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Jul 16, 2027 EXPIRATION

MAMA $12.50 Put

MAMA270716P00012500

Latest saved OI30Oct 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 $12.50 put open interest history 6 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 30150 2026-10-08: 30 OI2026-10-13: 30 OI2026-10-14: 30 OI2026-10-16: 30 OI2026-10-20: 30 OI2026-10-23: 30 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, 2026300
Oct 20, 2026Viewing300
Oct 16, 2026300
Oct 14, 2026300
Oct 13, 2026300
Oct 08, 202630No prior observation