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Contract OI history

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Jan 15, 2027 EXPIRATION

CI $390.00 Call

CI270115C00390000

Latest saved OI272Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CI $390.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2721360 2026-10-02: 125 OI2026-10-05: 173 OI2026-10-06: 173 OI2026-10-07: 197 OI2026-10-08: 215 OI2026-10-09: 227 OI2026-10-13: 256 OI2026-10-14: 259 OI2026-10-15: 259 OI2026-10-16: 259 OI2026-10-21: 270 OI2026-10-23: 272 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, 2026Viewing272+2
Oct 21, 2026270+11
Oct 16, 20262590
Oct 15, 20262590
Oct 14, 2026259+3
Oct 13, 2026256+29
Oct 09, 2026227+12
Oct 08, 2026215+18
Oct 07, 2026197+24
Oct 06, 20261730
Oct 05, 2026173+48
Oct 02, 2026125No prior observation