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Contract OI history

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Nov 20, 2026 EXPIRATION

SPH $17.50 Call

SPH261120C00017500

Latest saved OI198Oct 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 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 198990 2026-10-02: 174 OI2026-10-05: 177 OI2026-10-06: 177 OI2026-10-07: 187 OI2026-10-08: 187 OI2026-10-09: 187 OI2026-10-13: 187 OI2026-10-15: 187 OI2026-10-16: 187 OI2026-10-21: 198 OI2026-10-23: 198 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, 2026Viewing1980
Oct 21, 2026198+11
Oct 16, 20261870
Oct 15, 20261870
Oct 13, 20261870
Oct 09, 20261870
Oct 08, 20261870
Oct 07, 2026187+10
Oct 06, 20261770
Oct 05, 2026177+3
Oct 02, 2026174No prior observation