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Contract OI history

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Jan 21, 2028 EXPIRATION

RBRK $85.00 Call

RBRK280121C00085000

Latest saved OI133Oct 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 $85.00 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. 133660 2026-10-02: 132 OI2026-10-05: 132 OI2026-10-06: 132 OI2026-10-07: 132 OI2026-10-08: 132 OI2026-10-09: 132 OI2026-10-13: 132 OI2026-10-14: 132 OI2026-10-15: 132 OI2026-10-16: 132 OI2026-10-21: 133 OI2026-10-23: 133 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, 20261330
Oct 21, 2026Viewing133+1
Oct 16, 20261320
Oct 15, 20261320
Oct 14, 20261320
Oct 13, 20261320
Oct 09, 20261320
Oct 08, 20261320
Oct 07, 20261320
Oct 06, 20261320
Oct 05, 20261320
Oct 02, 2026132No prior observation