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Contract OI history

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Jan 15, 2027 EXPIRATION

WM $210.00 Call

WM270115C00210000

Latest saved OI274Oct 23, 2026
Last change-4vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WM $210.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2981490 2026-10-02: 298 OI2026-10-05: 291 OI2026-10-06: 290 OI2026-10-07: 284 OI2026-10-08: 284 OI2026-10-09: 286 OI2026-10-14: 283 OI2026-10-15: 287 OI2026-10-16: 281 OI2026-10-21: 278 OI2026-10-23: 274 OI Oct 02, 2026Oct 23, 2026

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

WM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing274-4
Oct 21, 2026278-3
Oct 16, 2026281-6
Oct 15, 2026287+4
Oct 14, 2026283-3
Oct 09, 2026286+2
Oct 08, 20262840
Oct 07, 2026284-6
Oct 06, 2026290-1
Oct 05, 2026291-7
Oct 02, 2026298No prior observation