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Contract OI history

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Oct 23, 2026 EXPIRATION

MARA $11.50 Put

MARA261023P00011500

Latest saved OI4Oct 23, 2026
Last change-543vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $11.50 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. 3,4791,7390 2026-10-09: 3,432 OI2026-10-13: 3,479 OI2026-10-14: 3,479 OI2026-10-15: 3,452 OI2026-10-16: 3,442 OI2026-10-21: 547 OI2026-10-23: 4 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, 2026Viewing4-543
Oct 21, 2026547-2,895
Oct 16, 20263,442-10
Oct 15, 20263,452-27
Oct 14, 20263,4790
Oct 13, 20263,479+47
Oct 09, 20263,432No prior observation