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Contract OI history

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Oct 23, 2026 EXPIRATION

RUM $12.50 Put

RUM261023P00012500

Latest saved OI266Oct 23, 2026
Last change+176vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
RUM $12.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2661330 2026-10-09: 0 OI2026-10-13: 1 OI2026-10-14: 1 OI2026-10-15: 1 OI2026-10-16: 1 OI2026-10-21: 90 OI2026-10-23: 266 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, 2026Viewing266+176
Oct 21, 202690+89
Oct 16, 202610
Oct 15, 202610
Oct 14, 202610
Oct 13, 20261+1
Oct 09, 20260No prior observation