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Contract OI history

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Mar 19, 2027 EXPIRATION

RBLX $40.00 Put

RBLX270319P00040000

Latest saved OI632Oct 23, 2026
Last change+5vs 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. 6373180 2026-10-02: 414 OI2026-10-05: 414 OI2026-10-06: 409 OI2026-10-07: 407 OI2026-10-08: 407 OI2026-10-09: 418 OI2026-10-13: 382 OI2026-10-14: 382 OI2026-10-15: 637 OI2026-10-16: 627 OI2026-10-21: 627 OI2026-10-23: 632 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, 2026Viewing632+5
Oct 21, 20266270
Oct 16, 2026627-10
Oct 15, 2026637+255
Oct 14, 20263820
Oct 13, 2026382-36
Oct 09, 2026418+11
Oct 08, 20264070
Oct 07, 2026407-2
Oct 06, 2026409-5
Oct 05, 20264140
Oct 02, 2026414No prior observation