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Contract OI history

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Jan 21, 2028 EXPIRATION

RUM $12.00 Call

RUM280121C00012000

Latest saved OI1,373Oct 23, 2026
Last change+540vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
RUM $12.00 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. 1,3736860 2026-10-09: 407 OI2026-10-13: 407 OI2026-10-14: 407 OI2026-10-15: 407 OI2026-10-16: 407 OI2026-10-21: 833 OI2026-10-23: 1,373 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

RUM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,373+540
Oct 21, 2026833+426
Oct 16, 20264070
Oct 15, 20264070
Oct 14, 20264070
Oct 13, 20264070
Oct 09, 2026407No prior observation