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Contract OI history

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Jan 21, 2028 EXPIRATION

RBRK $70.00 Call

RBRK280121C00070000

Latest saved OI384Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RBRK $70.00 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. 4082040 2026-10-02: 408 OI2026-10-05: 403 OI2026-10-06: 401 OI2026-10-07: 401 OI2026-10-08: 401 OI2026-10-09: 401 OI2026-10-13: 401 OI2026-10-14: 401 OI2026-10-15: 386 OI2026-10-16: 386 OI2026-10-21: 386 OI2026-10-23: 384 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, 2026384-2
Oct 21, 2026Viewing3860
Oct 16, 20263860
Oct 15, 2026386-15
Oct 14, 20264010
Oct 13, 20264010
Oct 09, 20264010
Oct 08, 20264010
Oct 07, 20264010
Oct 06, 2026401-2
Oct 05, 2026403-5
Oct 02, 2026408No prior observation