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Contract OI history

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Jan 21, 2028 EXPIRATION

KLAC $230.00 Call

KLAC280121C00230000

Latest saved OI340Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $230.00 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. 3441720 2026-10-09: 344 OI2026-10-13: 337 OI2026-10-14: 337 OI2026-10-15: 337 OI2026-10-16: 335 OI2026-10-21: 341 OI2026-10-23: 340 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, 2026Viewing340-1
Oct 21, 2026341+6
Oct 16, 2026335-2
Oct 15, 20263370
Oct 14, 20263370
Oct 13, 2026337-7
Oct 09, 2026344No prior observation