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Contract OI history

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Jan 15, 2027 EXPIRATION

CI $200.00 Put

CI270115P00200000

Latest saved OI320Oct 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 $200.00 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. 3361680 2026-10-02: 336 OI2026-10-05: 336 OI2026-10-06: 336 OI2026-10-07: 321 OI2026-10-08: 321 OI2026-10-09: 321 OI2026-10-13: 321 OI2026-10-14: 321 OI2026-10-15: 321 OI2026-10-16: 320 OI2026-10-21: 320 OI2026-10-23: 320 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, 2026Viewing3200
Oct 21, 20263200
Oct 16, 2026320-1
Oct 15, 20263210
Oct 14, 20263210
Oct 13, 20263210
Oct 09, 20263210
Oct 08, 20263210
Oct 07, 2026321-15
Oct 06, 20263360
Oct 05, 20263360
Oct 02, 2026336No prior observation