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Contract OI history

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Oct 23, 2026 EXPIRATION

RBRK $90.00 Put

RBRK261023P00090000

Latest saved OI500Oct 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 $90.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5002500 2026-10-02: 500 OI2026-10-05: 500 OI2026-10-06: 500 OI2026-10-07: 500 OI2026-10-08: 500 OI2026-10-09: 500 OI2026-10-13: 500 OI2026-10-14: 500 OI2026-10-15: 500 OI2026-10-16: 500 OI2026-10-21: 500 OI2026-10-23: 500 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, 20265000
Oct 21, 2026Viewing5000
Oct 16, 20265000
Oct 15, 20265000
Oct 14, 20265000
Oct 13, 20265000
Oct 09, 20265000
Oct 08, 20265000
Oct 07, 20265000
Oct 06, 20265000
Oct 05, 20265000
Oct 02, 2026500No prior observation