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Contract OI history

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Jan 21, 2028 EXPIRATION

RBLX $40.00 Put

RBLX280121P00040000

Latest saved OI1,488Oct 23, 2026
Last change+47vs 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. 1,4887440 2026-10-02: 1,451 OI2026-10-05: 1,451 OI2026-10-06: 1,471 OI2026-10-07: 1,480 OI2026-10-08: 1,480 OI2026-10-09: 1,458 OI2026-10-13: 1,458 OI2026-10-14: 1,458 OI2026-10-15: 1,458 OI2026-10-16: 1,451 OI2026-10-21: 1,441 OI2026-10-23: 1,488 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, 2026Viewing1,488+47
Oct 21, 20261,441-10
Oct 16, 20261,451-7
Oct 15, 20261,4580
Oct 14, 20261,4580
Oct 13, 20261,4580
Oct 09, 20261,458-22
Oct 08, 20261,4800
Oct 07, 20261,480+9
Oct 06, 20261,471+20
Oct 05, 20261,4510
Oct 02, 20261,451No prior observation