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Contract OI history

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Mar 19, 2027 EXPIRATION

KEY $28.00 Call

KEY270319C00028000

Latest saved OI11Oct 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 $28.00 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. 1890 2026-10-02: 18 OI2026-10-05: 18 OI2026-10-06: 18 OI2026-10-07: 18 OI2026-10-08: 18 OI2026-10-09: 18 OI2026-10-13: 11 OI2026-10-14: 11 OI2026-10-15: 11 OI2026-10-16: 11 OI2026-10-21: 11 OI2026-10-23: 11 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, 2026110
Oct 21, 2026Viewing110
Oct 16, 2026110
Oct 15, 2026110
Oct 14, 2026110
Oct 13, 202611-7
Oct 09, 2026180
Oct 08, 2026180
Oct 07, 2026180
Oct 06, 2026180
Oct 05, 2026180
Oct 02, 202618No prior observation