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Contract OI history

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Nov 20, 2026 EXPIRATION

CPIX $5.00 Call

CPIX261120C00005000

Latest saved OI256Oct 23, 2026
Last change-34vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CPIX $5.00 call open interest history 6 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 2901450 2026-10-08: 190 OI2026-10-13: 190 OI2026-10-14: 190 OI2026-10-16: 290 OI2026-10-20: 290 OI2026-10-23: 256 OI Oct 08, 2026Oct 23, 2026

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

CPIX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing256-34
Oct 20, 20262900
Oct 16, 2026290+100
Oct 14, 20261900
Oct 13, 20261900
Oct 08, 2026190No prior observation