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Contract OI history

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Jun 17, 2027 EXPIRATION

MARA $20.00 Put

MARA270617P00020000

Latest saved OI290Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $20.00 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. 2901450 2026-10-09: 281 OI2026-10-13: 283 OI2026-10-14: 283 OI2026-10-15: 287 OI2026-10-16: 290 OI2026-10-21: 290 OI2026-10-23: 290 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, 2026Viewing2900
Oct 21, 20262900
Oct 16, 2026290+3
Oct 15, 2026287+4
Oct 14, 20262830
Oct 13, 2026283+2
Oct 09, 2026281No prior observation