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Contract OI history

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Apr 16, 2027 EXPIRATION

WDC $250.00 Put

WDC270416P00250000

Latest saved OI311Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $250.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3111550 2026-10-09: 232 OI2026-10-12: 292 OI2026-10-14: 299 OI2026-10-15: 296 OI2026-10-16: 295 OI2026-10-21: 311 OI2026-10-23: 311 OI Oct 09, 2026Oct 23, 2026

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

WDC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3110
Oct 21, 2026311+16
Oct 16, 2026295-1
Oct 15, 2026296-3
Oct 14, 2026299+7
Oct 12, 2026292+60
Oct 09, 2026232No prior observation