OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

RBLX $40.00 Put

RBLX270115P00040000

Latest saved OI4,931Oct 23, 2026
Last change-599vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RBLX $40.00 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. 5,5792,7890 2026-10-02: 5,576 OI2026-10-05: 5,579 OI2026-10-06: 5,563 OI2026-10-07: 5,563 OI2026-10-08: 5,563 OI2026-10-09: 5,545 OI2026-10-13: 5,535 OI2026-10-14: 5,535 OI2026-10-15: 5,535 OI2026-10-16: 5,524 OI2026-10-21: 5,530 OI2026-10-23: 4,931 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, 2026Viewing4,931-599
Oct 21, 20265,530+6
Oct 16, 20265,524-11
Oct 15, 20265,5350
Oct 14, 20265,5350
Oct 13, 20265,535-10
Oct 09, 20265,545-18
Oct 08, 20265,5630
Oct 07, 20265,5630
Oct 06, 20265,563-16
Oct 05, 20265,579+3
Oct 02, 20265,576No prior observation