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Contract OI history

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Nov 20, 2026 EXPIRATION

SPH $17.50 Put

SPH261120P00017500

Latest saved OI299Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SPH $17.50 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3791890 2026-10-02: 369 OI2026-10-05: 369 OI2026-10-06: 369 OI2026-10-07: 368 OI2026-10-08: 378 OI2026-10-09: 378 OI2026-10-13: 379 OI2026-10-15: 379 OI2026-10-16: 379 OI2026-10-21: 299 OI2026-10-23: 299 OI Oct 02, 2026Oct 23, 2026

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

SPH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2990
Oct 21, 2026299-80
Oct 16, 20263790
Oct 15, 20263790
Oct 13, 2026379+1
Oct 09, 20263780
Oct 08, 2026378+10
Oct 07, 2026368-1
Oct 06, 20263690
Oct 05, 20263690
Oct 02, 2026369No prior observation