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Contract OI history

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Dec 18, 2026 EXPIRATION

WIT $2.50 Put

WIT261218P00002500

Latest saved OI441Oct 23, 2026
Last change+20vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WIT $2.50 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. 4412200 2026-10-02: 421 OI2026-10-05: 421 OI2026-10-06: 421 OI2026-10-07: 421 OI2026-10-08: 421 OI2026-10-09: 421 OI2026-10-13: 421 OI2026-10-14: 421 OI2026-10-16: 421 OI2026-10-20: 421 OI2026-10-23: 441 OI Oct 02, 2026Oct 23, 2026

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

WIT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing441+20
Oct 20, 20264210
Oct 16, 20264210
Oct 14, 20264210
Oct 13, 20264210
Oct 09, 20264210
Oct 08, 20264210
Oct 07, 20264210
Oct 06, 20264210
Oct 05, 20264210
Oct 02, 2026421No prior observation