OITracker Cboe delayed data

Contract OI history

Back to KEY

Mar 19, 2027 EXPIRATION

KEY $24.00 Call

KEY270319C00024000

Latest saved OI379Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
KEY $24.00 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. 5192590 2026-10-02: 349 OI2026-10-05: 349 OI2026-10-06: 519 OI2026-10-07: 369 OI2026-10-08: 369 OI2026-10-09: 370 OI2026-10-13: 370 OI2026-10-14: 370 OI2026-10-15: 370 OI2026-10-16: 370 OI2026-10-21: 379 OI2026-10-23: 379 OI Oct 02, 2026Oct 23, 2026

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

KEY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20263790
Oct 21, 2026Viewing379+9
Oct 16, 20263700
Oct 15, 20263700
Oct 14, 20263700
Oct 13, 20263700
Oct 09, 2026370+1
Oct 08, 20263690
Oct 07, 2026369-150
Oct 06, 2026519+170
Oct 05, 20263490
Oct 02, 2026349No prior observation