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Contract OI history

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Jan 21, 2028 EXPIRATION

KEY $13.00 Put

KEY280121P00013000

Latest saved OI172Oct 23, 2026
Last change-50vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
KEY $13.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2231110 2026-10-02: 223 OI2026-10-05: 223 OI2026-10-06: 223 OI2026-10-07: 223 OI2026-10-08: 223 OI2026-10-09: 223 OI2026-10-13: 222 OI2026-10-14: 222 OI2026-10-15: 222 OI2026-10-16: 222 OI2026-10-21: 222 OI2026-10-23: 172 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, 2026172-50
Oct 21, 2026Viewing2220
Oct 16, 20262220
Oct 15, 20262220
Oct 14, 20262220
Oct 13, 2026222-1
Oct 09, 20262230
Oct 08, 20262230
Oct 07, 20262230
Oct 06, 20262230
Oct 05, 20262230
Oct 02, 2026223No prior observation