OITracker Cboe delayed data

Contract OI history

Back to RBLX

Dec 18, 2026 EXPIRATION

RBLX $40.00 Call

RBLX261218C00040000

Latest saved OI1,414Oct 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
RBLX $40.00 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. 1,5837910 2026-10-02: 1,583 OI2026-10-05: 1,579 OI2026-10-06: 1,471 OI2026-10-07: 1,471 OI2026-10-08: 1,471 OI2026-10-09: 1,471 OI2026-10-13: 1,420 OI2026-10-14: 1,420 OI2026-10-15: 1,420 OI2026-10-16: 1,419 OI2026-10-21: 1,416 OI2026-10-23: 1,414 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, 2026Viewing1,414-2
Oct 21, 20261,416-3
Oct 16, 20261,419-1
Oct 15, 20261,4200
Oct 14, 20261,4200
Oct 13, 20261,420-51
Oct 09, 20261,4710
Oct 08, 20261,4710
Oct 07, 20261,4710
Oct 06, 20261,471-108
Oct 05, 20261,579-4
Oct 02, 20261,583No prior observation