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Contract OI history

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Jun 16, 2028 EXPIRATION

WDC $490.00 Put

WDC280616P00490000

Latest saved OI270Oct 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 $490.00 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. 2711350 2026-10-09: 271 OI2026-10-12: 271 OI2026-10-14: 270 OI2026-10-15: 270 OI2026-10-16: 270 OI2026-10-21: 270 OI2026-10-23: 270 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, 2026Viewing2700
Oct 21, 20262700
Oct 16, 20262700
Oct 15, 20262700
Oct 14, 2026270-1
Oct 12, 20262710
Oct 09, 2026271No prior observation