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Contract OI history

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Jan 15, 2027 EXPIRATION

MARA $19.00 Put

MARA270115P00019000

Latest saved OI42Oct 23, 2026
Last change-6vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $19.00 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. 183910 2026-10-09: 168 OI2026-10-13: 183 OI2026-10-14: 183 OI2026-10-15: 180 OI2026-10-16: 55 OI2026-10-21: 48 OI2026-10-23: 42 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, 2026Viewing42-6
Oct 21, 202648-7
Oct 16, 202655-125
Oct 15, 2026180-3
Oct 14, 20261830
Oct 13, 2026183+15
Oct 09, 2026168No prior observation