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Contract OI history

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Nov 20, 2026 EXPIRATION

CI $240.00 Put

CI261120P00240000

Latest saved OI577Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CI $240.00 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. 5772880 2026-10-02: 87 OI2026-10-05: 100 OI2026-10-06: 100 OI2026-10-07: 110 OI2026-10-08: 109 OI2026-10-09: 112 OI2026-10-13: 123 OI2026-10-14: 172 OI2026-10-15: 328 OI2026-10-16: 577 OI2026-10-21: 577 OI2026-10-23: 577 OI Oct 02, 2026Oct 23, 2026

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

CI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing5770
Oct 21, 20265770
Oct 16, 2026577+249
Oct 15, 2026328+156
Oct 14, 2026172+49
Oct 13, 2026123+11
Oct 09, 2026112+3
Oct 08, 2026109-1
Oct 07, 2026110+10
Oct 06, 20261000
Oct 05, 2026100+13
Oct 02, 202687No prior observation