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Contract OI history

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Nov 20, 2026 EXPIRATION

CNP $39.00 Put

CNP261120P00039000

Latest saved OI129Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CNP $39.00 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. 129640 2026-10-02: 116 OI2026-10-05: 116 OI2026-10-06: 116 OI2026-10-07: 116 OI2026-10-08: 116 OI2026-10-09: 116 OI2026-10-13: 116 OI2026-10-14: 116 OI2026-10-15: 128 OI2026-10-16: 128 OI2026-10-21: 129 OI2026-10-23: 129 OI Oct 02, 2026Oct 23, 2026

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

CNP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1290
Oct 21, 2026129+1
Oct 16, 20261280
Oct 15, 2026128+12
Oct 14, 20261160
Oct 13, 20261160
Oct 09, 20261160
Oct 08, 20261160
Oct 07, 20261160
Oct 06, 20261160
Oct 05, 20261160
Oct 02, 2026116No prior observation