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Contract OI history

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Nov 20, 2026 EXPIRATION

EW $87.50 Put

EW261120P00087500

Latest saved OI88Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
EW $87.50 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. 88440 2026-10-02: 28 OI2026-10-05: 28 OI2026-10-06: 29 OI2026-10-07: 29 OI2026-10-08: 34 OI2026-10-09: 34 OI2026-10-13: 34 OI2026-10-14: 34 OI2026-10-15: 44 OI2026-10-16: 44 OI2026-10-21: 88 OI2026-10-23: 88 OI Oct 02, 2026Oct 23, 2026

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

EW contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing880
Oct 21, 202688+44
Oct 16, 2026440
Oct 15, 202644+10
Oct 14, 2026340
Oct 13, 2026340
Oct 09, 2026340
Oct 08, 202634+5
Oct 07, 2026290
Oct 06, 202629+1
Oct 05, 2026280
Oct 02, 202628No prior observation