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Contract OI history

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Mar 19, 2027 EXPIRATION

KEY $25.00 Call

KEY270319C00025000

Latest saved OI228Oct 23, 2026
Last change+5vs 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. 2301150 2026-10-02: 166 OI2026-10-05: 166 OI2026-10-06: 230 OI2026-10-07: 224 OI2026-10-08: 224 OI2026-10-09: 223 OI2026-10-13: 223 OI2026-10-14: 223 OI2026-10-15: 223 OI2026-10-16: 223 OI2026-10-21: 223 OI2026-10-23: 228 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, 2026228+5
Oct 21, 2026Viewing2230
Oct 16, 20262230
Oct 15, 20262230
Oct 14, 20262230
Oct 13, 20262230
Oct 09, 2026223-1
Oct 08, 20262240
Oct 07, 2026224-6
Oct 06, 2026230+64
Oct 05, 20261660
Oct 02, 2026166No prior observation