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Contract OI history

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Jan 21, 2028 EXPIRATION

MARA $40.00 Call

MARA280121C00040000

Latest saved OI9,341Oct 23, 2026
Last change+94vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $40.00 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. 9,3414,6700 2026-10-09: 7,106 OI2026-10-13: 8,777 OI2026-10-14: 8,777 OI2026-10-15: 8,851 OI2026-10-16: 9,013 OI2026-10-21: 9,247 OI2026-10-23: 9,341 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, 2026Viewing9,341+94
Oct 21, 20269,247+234
Oct 16, 20269,013+162
Oct 15, 20268,851+74
Oct 14, 20268,7770
Oct 13, 20268,777+1,671
Oct 09, 20267,106No prior observation