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Contract OI history

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Feb 19, 2027 EXPIRATION

SPH $17.50 Put

SPH270219P00017500

Latest saved OI100Oct 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. 100500 2026-10-02: 98 OI2026-10-05: 98 OI2026-10-06: 98 OI2026-10-07: 98 OI2026-10-08: 98 OI2026-10-09: 98 OI2026-10-13: 100 OI2026-10-15: 100 OI2026-10-16: 100 OI2026-10-21: 100 OI2026-10-23: 100 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, 2026Viewing1000
Oct 21, 20261000
Oct 16, 20261000
Oct 15, 20261000
Oct 13, 2026100+2
Oct 09, 2026980
Oct 08, 2026980
Oct 07, 2026980
Oct 06, 2026980
Oct 05, 2026980
Oct 02, 202698No prior observation