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Nov 20, 2026 EXPIRATION

O $47.50 Put

O261120P00047500

Latest saved OI518Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
O $47.50 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. 5182590 2026-10-02: 333 OI2026-10-05: 445 OI2026-10-06: 478 OI2026-10-07: 478 OI2026-10-08: 483 OI2026-10-09: 486 OI2026-10-13: 508 OI2026-10-14: 508 OI2026-10-15: 508 OI2026-10-16: 507 OI2026-10-21: 518 OI2026-10-23: 518 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

O contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing5180
Oct 21, 2026518+11
Oct 16, 2026507-1
Oct 15, 20265080
Oct 14, 20265080
Oct 13, 2026508+22
Oct 09, 2026486+3
Oct 08, 2026483+5
Oct 07, 20264780
Oct 06, 2026478+33
Oct 05, 2026445+112
Oct 02, 2026333No prior observation