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Contract OI history

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Jan 15, 2027 EXPIRATION

MARA $8.00 Put

MARA270115P00008000

Latest saved OI18,589Oct 23, 2026
Last change-391vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $8.00 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. 18,9809,4900 2026-10-09: 14,857 OI2026-10-13: 17,048 OI2026-10-14: 17,048 OI2026-10-15: 18,185 OI2026-10-16: 18,362 OI2026-10-21: 18,980 OI2026-10-23: 18,589 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, 2026Viewing18,589-391
Oct 21, 202618,980+618
Oct 16, 202618,362+177
Oct 15, 202618,185+1,137
Oct 14, 202617,0480
Oct 13, 202617,048+2,191
Oct 09, 202614,857No prior observation