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Contract OI history

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Dec 18, 2026 EXPIRATION

MRAM $20.00 Call

MRAM261218C00020000

Latest saved OI596Oct 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 $20.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 5962980 2026-10-08: 517 OI2026-10-09: 547 OI2026-10-13: 577 OI2026-10-14: 581 OI2026-10-16: 579 OI2026-10-20: 592 OI2026-10-23: 596 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, 2026Viewing596+4
Oct 20, 2026592+13
Oct 16, 2026579-2
Oct 14, 2026581+4
Oct 13, 2026577+30
Oct 09, 2026547+30
Oct 08, 2026517No prior observation