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Contract OI history

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Dec 18, 2026 EXPIRATION

O $57.50 Put

O261218P00057500

Latest saved OI2,163Oct 23, 2026
Last change-7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
O $57.50 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. 2,2041,1020 2026-10-02: 2,204 OI2026-10-05: 2,204 OI2026-10-06: 2,194 OI2026-10-07: 2,194 OI2026-10-08: 2,200 OI2026-10-09: 2,190 OI2026-10-13: 2,187 OI2026-10-14: 2,190 OI2026-10-15: 2,190 OI2026-10-16: 2,186 OI2026-10-21: 2,170 OI2026-10-23: 2,163 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, 2026Viewing2,163-7
Oct 21, 20262,170-16
Oct 16, 20262,186-4
Oct 15, 20262,1900
Oct 14, 20262,190+3
Oct 13, 20262,187-3
Oct 09, 20262,190-10
Oct 08, 20262,200+6
Oct 07, 20262,1940
Oct 06, 20262,194-10
Oct 05, 20262,2040
Oct 02, 20262,204No prior observation