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Contract OI history

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Jan 21, 2028 EXPIRATION

RBRK $40.00 Call

RBRK280121C00040000

Latest saved OI157Oct 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 $40.00 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. 167830 2026-10-02: 159 OI2026-10-05: 159 OI2026-10-06: 159 OI2026-10-07: 159 OI2026-10-08: 159 OI2026-10-09: 157 OI2026-10-13: 167 OI2026-10-14: 167 OI2026-10-15: 167 OI2026-10-16: 157 OI2026-10-21: 157 OI2026-10-23: 157 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, 20261570
Oct 21, 2026Viewing1570
Oct 16, 2026157-10
Oct 15, 20261670
Oct 14, 20261670
Oct 13, 2026167+10
Oct 09, 2026157-2
Oct 08, 20261590
Oct 07, 20261590
Oct 06, 20261590
Oct 05, 20261590
Oct 02, 2026159No prior observation