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Contract OI history

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Jan 21, 2028 EXPIRATION

KOS $1.50 Call

KOS280121C00001500

Latest saved OI1,974Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
KOS $1.50 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,9949970 2026-10-02: 1,989 OI2026-10-06: 1,989 OI2026-10-07: 1,989 OI2026-10-08: 1,989 OI2026-10-09: 1,989 OI2026-10-13: 1,991 OI2026-10-14: 1,991 OI2026-10-15: 1,994 OI2026-10-16: 1,994 OI2026-10-20: 1,974 OI2026-10-23: 1,974 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, 2026Viewing1,9740
Oct 20, 20261,974-20
Oct 16, 20261,9940
Oct 15, 20261,994+3
Oct 14, 20261,9910
Oct 13, 20261,991+2
Oct 09, 20261,9890
Oct 08, 20261,9890
Oct 07, 20261,9890
Oct 06, 20261,9890
Oct 02, 20261,989No prior observation