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Contract OI history

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Dec 18, 2026 EXPIRATION

WDC $260.00 Put

WDC261218P00260000

Latest saved OI552Oct 23, 2026
Last change+23vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $260.00 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. 5522760 2026-10-09: 522 OI2026-10-12: 526 OI2026-10-14: 526 OI2026-10-15: 532 OI2026-10-16: 540 OI2026-10-21: 529 OI2026-10-23: 552 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, 2026Viewing552+23
Oct 21, 2026529-11
Oct 16, 2026540+8
Oct 15, 2026532+6
Oct 14, 20265260
Oct 12, 2026526+4
Oct 09, 2026522No prior observation