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Contract OI history

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Dec 18, 2026 EXPIRATION

RBLX $57.50 Call

RBLX261218C00057500

Latest saved OI410Oct 23, 2026
Last change+8vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RBLX $57.50 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. 4102050 2026-10-02: 339 OI2026-10-05: 339 OI2026-10-06: 336 OI2026-10-07: 337 OI2026-10-08: 337 OI2026-10-09: 384 OI2026-10-13: 380 OI2026-10-14: 380 OI2026-10-15: 381 OI2026-10-16: 381 OI2026-10-21: 402 OI2026-10-23: 410 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, 2026Viewing410+8
Oct 21, 2026402+21
Oct 16, 20263810
Oct 15, 2026381+1
Oct 14, 20263800
Oct 13, 2026380-4
Oct 09, 2026384+47
Oct 08, 20263370
Oct 07, 2026337+1
Oct 06, 2026336-3
Oct 05, 20263390
Oct 02, 2026339No prior observation