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Contract OI history

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Apr 16, 2027 EXPIRATION

CPS $20.00 Put

CPS270416P00020000

Latest saved OI611Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CPS $20.00 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. 6113050 2026-10-02: 569 OI2026-10-05: 569 OI2026-10-06: 569 OI2026-10-07: 569 OI2026-10-08: 569 OI2026-10-09: 569 OI2026-10-13: 569 OI2026-10-14: 569 OI2026-10-16: 574 OI2026-10-20: 610 OI2026-10-23: 611 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, 2026Viewing611+1
Oct 20, 2026610+36
Oct 16, 2026574+5
Oct 14, 20265690
Oct 13, 20265690
Oct 09, 20265690
Oct 08, 20265690
Oct 07, 20265690
Oct 06, 20265690
Oct 05, 20265690
Oct 02, 2026569No prior observation