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Contract OI history

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Jan 15, 2027 EXPIRATION

RBRK $85.00 Put

RBRK270115P00085000

Latest saved OI213Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RBRK $85.00 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. 2141070 2026-10-02: 210 OI2026-10-05: 204 OI2026-10-06: 206 OI2026-10-07: 202 OI2026-10-08: 202 OI2026-10-09: 200 OI2026-10-13: 205 OI2026-10-14: 205 OI2026-10-15: 212 OI2026-10-16: 212 OI2026-10-21: 214 OI2026-10-23: 213 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, 2026213-1
Oct 21, 2026Viewing214+2
Oct 16, 20262120
Oct 15, 2026212+7
Oct 14, 20262050
Oct 13, 2026205+5
Oct 09, 2026200-2
Oct 08, 20262020
Oct 07, 2026202-4
Oct 06, 2026206+2
Oct 05, 2026204-6
Oct 02, 2026210No prior observation