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Contract OI history

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Jan 15, 2027 EXPIRATION

KOS $3.00 Put

KOS270115P00003000

Latest saved OI2,147Oct 23, 2026
Last change+786vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
KOS $3.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,1471,0730 2026-10-02: 1,316 OI2026-10-06: 1,376 OI2026-10-07: 1,376 OI2026-10-08: 1,376 OI2026-10-09: 1,376 OI2026-10-13: 1,361 OI2026-10-14: 1,361 OI2026-10-15: 1,366 OI2026-10-16: 1,366 OI2026-10-20: 1,361 OI2026-10-23: 2,147 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

KOS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,147+786
Oct 20, 20261,361-5
Oct 16, 20261,3660
Oct 15, 20261,366+5
Oct 14, 20261,3610
Oct 13, 20261,361-15
Oct 09, 20261,3760
Oct 08, 20261,3760
Oct 07, 20261,3760
Oct 06, 20261,376+60
Oct 02, 20261,316No prior observation