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Contract OI history

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Feb 19, 2027 EXPIRATION

CLS $230.00 Put

CLS270219P00230000

Latest saved OI417Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $230.00 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. 4172080 2026-10-02: 400 OI2026-10-05: 403 OI2026-10-06: 405 OI2026-10-07: 405 OI2026-10-08: 405 OI2026-10-09: 405 OI2026-10-13: 405 OI2026-10-14: 405 OI2026-10-15: 405 OI2026-10-16: 407 OI2026-10-21: 417 OI2026-10-23: 417 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, 2026Viewing4170
Oct 21, 2026417+10
Oct 16, 2026407+2
Oct 15, 20264050
Oct 14, 20264050
Oct 13, 20264050
Oct 09, 20264050
Oct 08, 20264050
Oct 07, 20264050
Oct 06, 2026405+2
Oct 05, 2026403+3
Oct 02, 2026400No prior observation