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Contract OI history

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Mar 19, 2027 EXPIRATION

WDC $230.00 Put

WDC270319P00230000

Latest saved OI534Oct 23, 2026
Last change+9vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $230.00 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. 7313650 2026-10-09: 730 OI2026-10-12: 731 OI2026-10-14: 530 OI2026-10-15: 533 OI2026-10-16: 535 OI2026-10-21: 525 OI2026-10-23: 534 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, 2026Viewing534+9
Oct 21, 2026525-10
Oct 16, 2026535+2
Oct 15, 2026533+3
Oct 14, 2026530-201
Oct 12, 2026731+1
Oct 09, 2026730No prior observation