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Contract OI history

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Jan 21, 2028 EXPIRATION

KLAC $144.00 Call

KLAC280121C00144000

Latest saved OI106Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $144.00 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. 120600 2026-10-09: 120 OI2026-10-13: 120 OI2026-10-14: 120 OI2026-10-15: 103 OI2026-10-16: 103 OI2026-10-21: 103 OI2026-10-23: 106 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, 2026Viewing106+3
Oct 21, 20261030
Oct 16, 20261030
Oct 15, 2026103-17
Oct 14, 20261200
Oct 13, 20261200
Oct 09, 2026120No prior observation