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Contract OI history

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Mar 19, 2027 EXPIRATION

KLAC $200.00 Call

KLAC270319C00200000

Latest saved OI1,565Oct 23, 2026
Last change+28vs 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. 1,5657820 2026-10-09: 1,533 OI2026-10-13: 1,534 OI2026-10-14: 1,534 OI2026-10-15: 1,535 OI2026-10-16: 1,532 OI2026-10-21: 1,537 OI2026-10-23: 1,565 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, 2026Viewing1,565+28
Oct 21, 20261,537+5
Oct 16, 20261,532-3
Oct 15, 20261,535+1
Oct 14, 20261,5340
Oct 13, 20261,534+1
Oct 09, 20261,533No prior observation