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Contract OI history

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Oct 30, 2026 EXPIRATION

MARA $18.00 Call

MARA261030C00018000

Latest saved OI205Oct 23, 2026
Last change-3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $18.00 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. 2241120 2026-10-09: 224 OI2026-10-13: 221 OI2026-10-14: 221 OI2026-10-15: 217 OI2026-10-16: 217 OI2026-10-21: 208 OI2026-10-23: 205 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, 2026Viewing205-3
Oct 21, 2026208-9
Oct 16, 20262170
Oct 15, 2026217-4
Oct 14, 20262210
Oct 13, 2026221-3
Oct 09, 2026224No prior observation