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Contract OI history

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Apr 16, 2027 EXPIRATION

WDS $17.50 Put

WDS270416P00017500

Latest saved OI43Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WDS $17.50 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 43210 2026-10-02: 40 OI2026-10-05: 40 OI2026-10-06: 40 OI2026-10-07: 40 OI2026-10-09: 41 OI2026-10-13: 43 OI2026-10-14: 43 OI2026-10-15: 43 OI2026-10-20: 43 OI2026-10-23: 43 OI Oct 02, 2026Oct 23, 2026

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

WDS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026430
Oct 20, 2026Viewing430
Oct 15, 2026430
Oct 14, 2026430
Oct 13, 202643+2
Oct 09, 202641+1
Oct 07, 2026400
Oct 06, 2026400
Oct 05, 2026400
Oct 02, 202640No prior observation