OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

RBLX $55.00 Call

RBLX270115C00055000

Latest saved OI3,974Oct 23, 2026
Last change-11vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RBLX $55.00 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. 4,3712,1850 2026-10-02: 4,371 OI2026-10-05: 4,303 OI2026-10-06: 4,174 OI2026-10-07: 4,153 OI2026-10-08: 4,153 OI2026-10-09: 4,121 OI2026-10-13: 4,101 OI2026-10-14: 4,101 OI2026-10-15: 4,093 OI2026-10-16: 4,030 OI2026-10-21: 3,985 OI2026-10-23: 3,974 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

RBLX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,974-11
Oct 21, 20263,985-45
Oct 16, 20264,030-63
Oct 15, 20264,093-8
Oct 14, 20264,1010
Oct 13, 20264,101-20
Oct 09, 20264,121-32
Oct 08, 20264,1530
Oct 07, 20264,153-21
Oct 06, 20264,174-129
Oct 05, 20264,303-68
Oct 02, 20264,371No prior observation