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Contract OI history

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Dec 18, 2026 EXPIRATION

RKT $21.00 Call

RKT261218C00021000

Latest saved OI3,948Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RKT $21.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3,9591,9790 2026-10-02: 3,959 OI2026-10-05: 3,959 OI2026-10-06: 3,959 OI2026-10-07: 3,959 OI2026-10-08: 3,959 OI2026-10-09: 3,948 OI2026-10-13: 3,948 OI2026-10-14: 3,948 OI2026-10-15: 3,948 OI2026-10-16: 3,948 OI2026-10-21: 3,948 OI2026-10-23: 3,948 OI Oct 02, 2026Oct 23, 2026

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

RKT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,9480
Oct 21, 20263,9480
Oct 16, 20263,9480
Oct 15, 20263,9480
Oct 14, 20263,9480
Oct 13, 20263,9480
Oct 09, 20263,948-11
Oct 08, 20263,9590
Oct 07, 20263,9590
Oct 06, 20263,9590
Oct 05, 20263,9590
Oct 02, 20263,959No prior observation