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Contract OI history

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Sep 17, 2027 EXPIRATION

KEY $15.00 Put

KEY270917P00015000

Latest saved OI119Oct 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 $15.00 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. 119590 2026-10-02: 92 OI2026-10-05: 92 OI2026-10-06: 118 OI2026-10-07: 118 OI2026-10-08: 118 OI2026-10-09: 118 OI2026-10-13: 118 OI2026-10-14: 118 OI2026-10-15: 118 OI2026-10-16: 118 OI2026-10-21: 119 OI2026-10-23: 119 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, 20261190
Oct 21, 2026Viewing119+1
Oct 16, 20261180
Oct 15, 20261180
Oct 14, 20261180
Oct 13, 20261180
Oct 09, 20261180
Oct 08, 20261180
Oct 07, 20261180
Oct 06, 2026118+26
Oct 05, 2026920
Oct 02, 202692No prior observation