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Contract OI history

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Feb 19, 2027 EXPIRATION

WD $40.00 Put

WD270219P00040000

Latest saved OI1,016Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WD $40.00 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. 1,0165080 2026-10-02: 1,015 OI2026-10-05: 1,015 OI2026-10-06: 1,015 OI2026-10-07: 1,015 OI2026-10-08: 1,015 OI2026-10-09: 1,015 OI2026-10-13: 1,015 OI2026-10-14: 1,015 OI2026-10-16: 1,015 OI2026-10-20: 1,016 OI2026-10-23: 1,016 OI Oct 02, 2026Oct 23, 2026

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

WD contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261,0160
Oct 20, 2026Viewing1,016+1
Oct 16, 20261,0150
Oct 14, 20261,0150
Oct 13, 20261,0150
Oct 09, 20261,0150
Oct 08, 20261,0150
Oct 07, 20261,0150
Oct 06, 20261,0150
Oct 05, 20261,0150
Oct 02, 20261,015No prior observation