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Contract OI history

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Mar 19, 2027 EXPIRATION

KLAC $205.00 Call

KLAC270319C00205000

Latest saved OI184Oct 23, 2026
Last change+42vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $205.00 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. 184920 2026-10-09: 122 OI2026-10-13: 123 OI2026-10-14: 123 OI2026-10-15: 126 OI2026-10-16: 126 OI2026-10-21: 142 OI2026-10-23: 184 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, 2026Viewing184+42
Oct 21, 2026142+16
Oct 16, 20261260
Oct 15, 2026126+3
Oct 14, 20261230
Oct 13, 2026123+1
Oct 09, 2026122No prior observation