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Contract OI history

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Dec 18, 2026 EXPIRATION

CPS $35.00 Put

CPS261218P00035000

Latest saved OI296Oct 23, 2026
Last change-14vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CPS $35.00 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. 6093040 2026-10-02: 609 OI2026-10-05: 609 OI2026-10-06: 609 OI2026-10-07: 609 OI2026-10-08: 609 OI2026-10-09: 609 OI2026-10-13: 310 OI2026-10-14: 310 OI2026-10-16: 310 OI2026-10-20: 310 OI2026-10-23: 296 OI Oct 02, 2026Oct 23, 2026

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

CPS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing296-14
Oct 20, 20263100
Oct 16, 20263100
Oct 14, 20263100
Oct 13, 2026310-299
Oct 09, 20266090
Oct 08, 20266090
Oct 07, 20266090
Oct 06, 20266090
Oct 05, 20266090
Oct 02, 2026609No prior observation