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Contract OI history

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Dec 18, 2026 EXPIRATION

RBLX $37.50 Call

RBLX261218C00037500

Latest saved OI205Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RBLX $37.50 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. 2071030 2026-10-02: 207 OI2026-10-05: 207 OI2026-10-06: 207 OI2026-10-07: 207 OI2026-10-08: 207 OI2026-10-09: 207 OI2026-10-13: 207 OI2026-10-14: 207 OI2026-10-15: 207 OI2026-10-16: 206 OI2026-10-21: 206 OI2026-10-23: 205 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, 2026Viewing205-1
Oct 21, 20262060
Oct 16, 2026206-1
Oct 15, 20262070
Oct 14, 20262070
Oct 13, 20262070
Oct 09, 20262070
Oct 08, 20262070
Oct 07, 20262070
Oct 06, 20262070
Oct 05, 20262070
Oct 02, 2026207No prior observation