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Contract OI history

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Mar 19, 2027 EXPIRATION

MARA $4.00 Put

MARA270319P00004000

Latest saved OI542Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $4.00 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. 5422710 2026-10-09: 516 OI2026-10-13: 516 OI2026-10-14: 516 OI2026-10-15: 516 OI2026-10-16: 517 OI2026-10-21: 541 OI2026-10-23: 542 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, 2026Viewing542+1
Oct 21, 2026541+24
Oct 16, 2026517+1
Oct 15, 20265160
Oct 14, 20265160
Oct 13, 20265160
Oct 09, 2026516No prior observation