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Contract OI history

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Jan 21, 2028 EXPIRATION

KOS $500.00 Call

KOS280121C00000500

Latest saved OI1,641Oct 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 $500.00 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. 1,6418200 2026-10-02: 1,641 OI2026-10-06: 1,641 OI2026-10-07: 1,641 OI2026-10-08: 1,641 OI2026-10-09: 1,641 OI2026-10-13: 1,641 OI2026-10-14: 1,641 OI2026-10-15: 1,641 OI2026-10-16: 1,641 OI2026-10-20: 1,641 OI2026-10-23: 1,641 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, 2026Viewing1,6410
Oct 20, 20261,6410
Oct 16, 20261,6410
Oct 15, 20261,6410
Oct 14, 20261,6410
Oct 13, 20261,6410
Oct 09, 20261,6410
Oct 08, 20261,6410
Oct 07, 20261,6410
Oct 06, 20261,6410
Oct 02, 20261,641No prior observation