OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

CIA $5.00 Put

CIA261120P00005000

Latest saved OI17,684Oct 23, 2026
Last change-1,621vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIA $5.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 27,67013,8350 2026-10-02: 27,670 OI2026-10-05: 26,588 OI2026-10-06: 26,588 OI2026-10-07: 25,088 OI2026-10-08: 25,088 OI2026-10-09: 24,197 OI2026-10-13: 23,341 OI2026-10-14: 22,650 OI2026-10-16: 20,643 OI2026-10-20: 19,305 OI2026-10-23: 17,684 OI Oct 02, 2026Oct 23, 2026

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

CIA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing17,684-1,621
Oct 20, 202619,305-1,338
Oct 16, 202620,643-2,007
Oct 14, 202622,650-691
Oct 13, 202623,341-856
Oct 09, 202624,197-891
Oct 08, 202625,0880
Oct 07, 202625,088-1,500
Oct 06, 202626,5880
Oct 05, 202626,588-1,082
Oct 02, 202627,670No prior observation