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Contract OI history

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Jan 21, 2028 EXPIRATION

RUM $5.00 Put

RUM280121P00005000

Latest saved OI1,377Oct 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 $5.00 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. 1,3776880 2026-10-09: 1,357 OI2026-10-13: 1,357 OI2026-10-14: 1,357 OI2026-10-15: 1,357 OI2026-10-16: 1,357 OI2026-10-21: 1,377 OI2026-10-23: 1,377 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, 2026Viewing1,3770
Oct 21, 20261,377+20
Oct 16, 20261,3570
Oct 15, 20261,3570
Oct 14, 20261,3570
Oct 13, 20261,3570
Oct 09, 20261,357No prior observation