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Contract OI history

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Dec 17, 2027 EXPIRATION

MARA $27.00 Put

MARA271217P00027000

Latest saved OI675Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $27.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 6763380 2026-10-09: 662 OI2026-10-13: 666 OI2026-10-14: 666 OI2026-10-15: 666 OI2026-10-16: 666 OI2026-10-21: 676 OI2026-10-23: 675 OI Oct 09, 2026Oct 23, 2026

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

MARA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing675-1
Oct 21, 2026676+10
Oct 16, 20266660
Oct 15, 20266660
Oct 14, 20266660
Oct 13, 2026666+4
Oct 09, 2026662No prior observation