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Contract OI history

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Jan 21, 2028 EXPIRATION

RUM $20.00 Call

RUM280121C00020000

Latest saved OI519Oct 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
RUM $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. 5192590 2026-10-09: 494 OI2026-10-13: 500 OI2026-10-14: 500 OI2026-10-15: 507 OI2026-10-16: 518 OI2026-10-21: 518 OI2026-10-23: 519 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, 2026Viewing519+1
Oct 21, 20265180
Oct 16, 2026518+11
Oct 15, 2026507+7
Oct 14, 20265000
Oct 13, 2026500+6
Oct 09, 2026494No prior observation