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Contract OI history

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Dec 18, 2026 EXPIRATION

WDC $185.00 Put

WDC261218P00185000

Latest saved OI661Oct 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 $185.00 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. 6613300 2026-10-09: 650 OI2026-10-12: 650 OI2026-10-14: 650 OI2026-10-15: 650 OI2026-10-16: 652 OI2026-10-21: 661 OI2026-10-23: 661 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, 2026Viewing6610
Oct 21, 2026661+9
Oct 16, 2026652+2
Oct 15, 20266500
Oct 14, 20266500
Oct 12, 20266500
Oct 09, 2026650No prior observation