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Contract OI history

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Nov 20, 2026 EXPIRATION

WK $85.00 Put

WK261120P00085000

Latest saved OI2,100Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WK $85.00 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. 2,1001,0500 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 0 OI2026-10-07: 0 OI2026-10-08: 0 OI2026-10-09: 0 OI2026-10-13: 0 OI2026-10-14: 0 OI2026-10-15: 0 OI2026-10-20: 2,100 OI2026-10-23: 2,100 OI Oct 02, 2026Oct 23, 2026

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

WK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20262,1000
Oct 20, 2026Viewing2,100+2,100
Oct 15, 202600
Oct 14, 202600
Oct 13, 202600
Oct 09, 202600
Oct 08, 202600
Oct 07, 202600
Oct 06, 202600
Oct 05, 202600
Oct 02, 20260No prior observation