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Contract OI history

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Dec 18, 2026 EXPIRATION

KEY $17.00 Put

KEY261218P00017000

Latest saved OI248Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
KEY $17.00 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. 2481240 2026-10-02: 238 OI2026-10-05: 237 OI2026-10-06: 237 OI2026-10-07: 237 OI2026-10-08: 237 OI2026-10-09: 236 OI2026-10-13: 236 OI2026-10-14: 236 OI2026-10-15: 236 OI2026-10-16: 237 OI2026-10-21: 247 OI2026-10-23: 248 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, 2026248+1
Oct 21, 2026Viewing247+10
Oct 16, 2026237+1
Oct 15, 20262360
Oct 14, 20262360
Oct 13, 20262360
Oct 09, 2026236-1
Oct 08, 20262370
Oct 07, 20262370
Oct 06, 20262370
Oct 05, 2026237-1
Oct 02, 2026238No prior observation