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Contract OI history

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Jan 21, 2028 EXPIRATION

RBLX $17.50 Put

RBLX280121P00017500

Latest saved OI776Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RBLX $17.50 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. 7763880 2026-10-02: 746 OI2026-10-05: 746 OI2026-10-06: 746 OI2026-10-07: 761 OI2026-10-08: 761 OI2026-10-09: 764 OI2026-10-13: 770 OI2026-10-14: 770 OI2026-10-15: 771 OI2026-10-16: 771 OI2026-10-21: 776 OI2026-10-23: 776 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, 2026Viewing7760
Oct 21, 2026776+5
Oct 16, 20267710
Oct 15, 2026771+1
Oct 14, 20267700
Oct 13, 2026770+6
Oct 09, 2026764+3
Oct 08, 20267610
Oct 07, 2026761+15
Oct 06, 20267460
Oct 05, 20267460
Oct 02, 2026746No prior observation