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Contract OI history

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Dec 18, 2026 EXPIRATION

KEY $25.00 Call

KEY261218C00025000

Latest saved OI5,812Oct 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
KEY $25.00 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. 5,8562,9280 2026-10-02: 5,856 OI2026-10-05: 5,856 OI2026-10-06: 5,816 OI2026-10-07: 5,816 OI2026-10-08: 5,816 OI2026-10-09: 5,816 OI2026-10-13: 5,814 OI2026-10-14: 5,814 OI2026-10-15: 5,814 OI2026-10-16: 5,814 OI2026-10-21: 5,814 OI2026-10-23: 5,812 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, 20265,812-2
Oct 21, 2026Viewing5,8140
Oct 16, 20265,8140
Oct 15, 20265,8140
Oct 14, 20265,8140
Oct 13, 20265,814-2
Oct 09, 20265,8160
Oct 08, 20265,8160
Oct 07, 20265,8160
Oct 06, 20265,816-40
Oct 05, 20265,8560
Oct 02, 20265,856No prior observation