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Contract OI history

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Nov 20, 2026 EXPIRATION

WCN $150.00 Put

WCN261120P00150000

Latest saved OI435Oct 23, 2026
Last change+25vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WCN $150.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4352170 2026-10-02: 12 OI2026-10-05: 104 OI2026-10-06: 104 OI2026-10-07: 104 OI2026-10-08: 104 OI2026-10-09: 104 OI2026-10-13: 104 OI2026-10-14: 113 OI2026-10-16: 410 OI2026-10-20: 410 OI2026-10-23: 435 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

WCN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing435+25
Oct 20, 20264100
Oct 16, 2026410+297
Oct 14, 2026113+9
Oct 13, 20261040
Oct 09, 20261040
Oct 08, 20261040
Oct 07, 20261040
Oct 06, 20261040
Oct 05, 2026104+92
Oct 02, 202612No prior observation