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Contract OI history

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Dec 18, 2026 EXPIRATION

MARA $9.00 Put

MARA261218P00009000

Latest saved OI8,987Oct 23, 2026
Last change-55vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $9.00 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. 9,1434,5710 2026-10-09: 6,444 OI2026-10-13: 9,117 OI2026-10-14: 9,117 OI2026-10-15: 9,143 OI2026-10-16: 8,963 OI2026-10-21: 9,042 OI2026-10-23: 8,987 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, 2026Viewing8,987-55
Oct 21, 20269,042+79
Oct 16, 20268,963-180
Oct 15, 20269,143+26
Oct 14, 20269,1170
Oct 13, 20269,117+2,673
Oct 09, 20266,444No prior observation