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Contract OI history

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Nov 20, 2026 EXPIRATION

RBRK $100.00 Put

RBRK261120P00100000

Latest saved OI543Oct 23, 2026
Last change-132vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RBRK $100.00 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. 6753370 2026-10-02: 16 OI2026-10-05: 35 OI2026-10-06: 36 OI2026-10-07: 54 OI2026-10-08: 54 OI2026-10-09: 56 OI2026-10-13: 56 OI2026-10-14: 56 OI2026-10-15: 321 OI2026-10-16: 316 OI2026-10-21: 675 OI2026-10-23: 543 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, 2026543-132
Oct 21, 2026Viewing675+359
Oct 16, 2026316-5
Oct 15, 2026321+265
Oct 14, 2026560
Oct 13, 2026560
Oct 09, 202656+2
Oct 08, 2026540
Oct 07, 202654+18
Oct 06, 202636+1
Oct 05, 202635+19
Oct 02, 202616No prior observation