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Contract OI history

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Jan 15, 2027 EXPIRATION

WDC $17.50 Put

WDC270115P00017500

Latest saved OI2,625Oct 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 $17.50 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. 2,6251,3120 2026-10-09: 2,623 OI2026-10-12: 2,623 OI2026-10-14: 2,623 OI2026-10-15: 2,623 OI2026-10-16: 2,623 OI2026-10-21: 2,623 OI2026-10-23: 2,625 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, 2026Viewing2,625+2
Oct 21, 20262,6230
Oct 16, 20262,6230
Oct 15, 20262,6230
Oct 14, 20262,6230
Oct 12, 20262,6230
Oct 09, 20262,623No prior observation