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Contract OI history

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Jan 19, 2029 EXPIRATION

KEY $20.00 Put

KEY290119P00020000

Latest saved OI213Oct 23, 2026
Last change+48vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
KEY $20.00 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. 2131060 2026-10-02: 76 OI2026-10-05: 76 OI2026-10-06: 81 OI2026-10-07: 81 OI2026-10-08: 81 OI2026-10-09: 82 OI2026-10-13: 126 OI2026-10-14: 126 OI2026-10-15: 145 OI2026-10-16: 145 OI2026-10-21: 165 OI2026-10-23: 213 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, 2026213+48
Oct 21, 2026Viewing165+20
Oct 16, 20261450
Oct 15, 2026145+19
Oct 14, 20261260
Oct 13, 2026126+44
Oct 09, 202682+1
Oct 08, 2026810
Oct 07, 2026810
Oct 06, 202681+5
Oct 05, 2026760
Oct 02, 202676No prior observation