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Contract OI history

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Dec 18, 2026 EXPIRATION

CLS $190.00 Put

CLS261218P00190000

Latest saved OI161Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $190.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 161800 2026-10-02: 115 OI2026-10-05: 115 OI2026-10-06: 114 OI2026-10-07: 114 OI2026-10-08: 114 OI2026-10-09: 160 OI2026-10-13: 160 OI2026-10-14: 160 OI2026-10-15: 160 OI2026-10-16: 160 OI2026-10-21: 160 OI2026-10-23: 161 OI Oct 02, 2026Oct 23, 2026

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

CLS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing161+1
Oct 21, 20261600
Oct 16, 20261600
Oct 15, 20261600
Oct 14, 20261600
Oct 13, 20261600
Oct 09, 2026160+46
Oct 08, 20261140
Oct 07, 20261140
Oct 06, 2026114-1
Oct 05, 20261150
Oct 02, 2026115No prior observation