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Contract OI history

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Jan 21, 2028 EXPIRATION

RBRK $75.00 Call

RBRK280121C00075000

Latest saved OI364Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RBRK $75.00 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. 3651820 2026-10-02: 365 OI2026-10-05: 365 OI2026-10-06: 364 OI2026-10-07: 364 OI2026-10-08: 364 OI2026-10-09: 364 OI2026-10-13: 364 OI2026-10-14: 364 OI2026-10-15: 364 OI2026-10-16: 364 OI2026-10-21: 364 OI2026-10-23: 364 OI Oct 02, 2026Oct 23, 2026

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

RBRK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20263640
Oct 21, 2026Viewing3640
Oct 16, 20263640
Oct 15, 20263640
Oct 14, 20263640
Oct 13, 20263640
Oct 09, 20263640
Oct 08, 20263640
Oct 07, 20263640
Oct 06, 2026364-1
Oct 05, 20263650
Oct 02, 2026365No prior observation