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Contract OI history

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Mar 19, 2027 EXPIRATION

WDC $180.00 Put

WDC270319P00180000

Latest saved OI535Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $180.00 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. 5352670 2026-10-09: 395 OI2026-10-12: 397 OI2026-10-14: 399 OI2026-10-15: 526 OI2026-10-16: 527 OI2026-10-21: 533 OI2026-10-23: 535 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, 2026Viewing535+2
Oct 21, 2026533+6
Oct 16, 2026527+1
Oct 15, 2026526+127
Oct 14, 2026399+2
Oct 12, 2026397+2
Oct 09, 2026395No prior observation