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Contract OI history

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Jan 15, 2027 EXPIRATION

RUM $20.00 Call

RUM270115C00020000

Latest saved OI1,805Oct 23, 2026
Last change0vs 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. 1,8059020 2026-10-09: 1,605 OI2026-10-13: 1,605 OI2026-10-14: 1,605 OI2026-10-15: 1,805 OI2026-10-16: 1,805 OI2026-10-21: 1,805 OI2026-10-23: 1,805 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, 2026Viewing1,8050
Oct 21, 20261,8050
Oct 16, 20261,8050
Oct 15, 20261,805+200
Oct 14, 20261,6050
Oct 13, 20261,6050
Oct 09, 20261,605No prior observation