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Contract OI history

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Feb 19, 2027 EXPIRATION

RBLX $40.00 Put

RBLX270219P00040000

Latest saved OI1,538Oct 23, 2026
Last change+14vs 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. 1,5387690 2026-10-02: 1,420 OI2026-10-05: 1,420 OI2026-10-06: 1,363 OI2026-10-07: 1,368 OI2026-10-08: 1,368 OI2026-10-09: 1,387 OI2026-10-13: 1,375 OI2026-10-14: 1,375 OI2026-10-15: 1,388 OI2026-10-16: 1,384 OI2026-10-21: 1,524 OI2026-10-23: 1,538 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, 2026Viewing1,538+14
Oct 21, 20261,524+140
Oct 16, 20261,384-4
Oct 15, 20261,388+13
Oct 14, 20261,3750
Oct 13, 20261,375-12
Oct 09, 20261,387+19
Oct 08, 20261,3680
Oct 07, 20261,368+5
Oct 06, 20261,363-57
Oct 05, 20261,4200
Oct 02, 20261,420No prior observation