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Contract OI history

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Dec 18, 2026 EXPIRATION

KLAC $200.00 Call

KLAC261218C00200000

Latest saved OI1,081Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $200.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,0815400 2026-10-09: 712 OI2026-10-13: 711 OI2026-10-14: 711 OI2026-10-15: 712 OI2026-10-16: 1,057 OI2026-10-21: 1,079 OI2026-10-23: 1,081 OI Oct 09, 2026Oct 23, 2026

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

KLAC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,081+2
Oct 21, 20261,079+22
Oct 16, 20261,057+345
Oct 15, 2026712+1
Oct 14, 20267110
Oct 13, 2026711-1
Oct 09, 2026712No prior observation