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Contract OI history

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Nov 20, 2026 EXPIRATION

KOS $3.50 Call

KOS261120C00003500

Latest saved OI228Oct 23, 2026
Last change+9vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
KOS $3.50 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. 2281140 2026-10-02: 105 OI2026-10-06: 125 OI2026-10-07: 125 OI2026-10-08: 125 OI2026-10-09: 125 OI2026-10-13: 174 OI2026-10-14: 154 OI2026-10-15: 154 OI2026-10-16: 154 OI2026-10-20: 219 OI2026-10-23: 228 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, 2026Viewing228+9
Oct 20, 2026219+65
Oct 16, 20261540
Oct 15, 20261540
Oct 14, 2026154-20
Oct 13, 2026174+49
Oct 09, 20261250
Oct 08, 20261250
Oct 07, 20261250
Oct 06, 2026125+20
Oct 02, 2026105No prior observation