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Contract OI history

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Dec 18, 2026 EXPIRATION

MARA $20.00 Call

MARA261218C00020000

Latest saved OI12,461Oct 23, 2026
Last change-538vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $20.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 13,0656,5320 2026-10-09: 11,891 OI2026-10-13: 12,859 OI2026-10-14: 12,859 OI2026-10-15: 12,852 OI2026-10-16: 13,065 OI2026-10-21: 12,999 OI2026-10-23: 12,461 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, 2026Viewing12,461-538
Oct 21, 202612,999-66
Oct 16, 202613,065+213
Oct 15, 202612,852-7
Oct 14, 202612,8590
Oct 13, 202612,859+968
Oct 09, 202611,891No prior observation