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Contract OI history

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Dec 18, 2026 EXPIRATION

MRAM $7.50 Put

MRAM261218P00007500

Latest saved OI162Oct 23, 2026
Last change-4vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
MRAM $7.50 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 166830 2026-10-08: 166 OI2026-10-09: 166 OI2026-10-13: 166 OI2026-10-14: 166 OI2026-10-16: 166 OI2026-10-20: 166 OI2026-10-23: 162 OI Oct 08, 2026Oct 23, 2026

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

MRAM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing162-4
Oct 20, 20261660
Oct 16, 20261660
Oct 14, 20261660
Oct 13, 20261660
Oct 09, 20261660
Oct 08, 2026166No prior observation