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Contract OI history

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Mar 19, 2027 EXPIRATION

CLS $180.00 Put

CLS270319P00180000

Latest saved OI40Oct 23, 2026
Last change-4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $180.00 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. 45220 2026-10-02: 44 OI2026-10-05: 44 OI2026-10-06: 44 OI2026-10-07: 44 OI2026-10-08: 45 OI2026-10-09: 45 OI2026-10-13: 44 OI2026-10-14: 44 OI2026-10-15: 44 OI2026-10-16: 44 OI2026-10-21: 44 OI2026-10-23: 40 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, 2026Viewing40-4
Oct 21, 2026440
Oct 16, 2026440
Oct 15, 2026440
Oct 14, 2026440
Oct 13, 202644-1
Oct 09, 2026450
Oct 08, 202645+1
Oct 07, 2026440
Oct 06, 2026440
Oct 05, 2026440
Oct 02, 202644No prior observation