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Contract OI history

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Dec 18, 2026 EXPIRATION

RBLX $27.50 Put

RBLX261218P00027500

Latest saved OI317Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RBLX $27.50 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. 3171580 2026-10-02: 311 OI2026-10-05: 312 OI2026-10-06: 313 OI2026-10-07: 313 OI2026-10-08: 313 OI2026-10-09: 314 OI2026-10-13: 314 OI2026-10-14: 314 OI2026-10-15: 315 OI2026-10-16: 314 OI2026-10-21: 314 OI2026-10-23: 317 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, 2026Viewing317+3
Oct 21, 20263140
Oct 16, 2026314-1
Oct 15, 2026315+1
Oct 14, 20263140
Oct 13, 20263140
Oct 09, 2026314+1
Oct 08, 20263130
Oct 07, 20263130
Oct 06, 2026313+1
Oct 05, 2026312+1
Oct 02, 2026311No prior observation