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Contract OI history

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Mar 19, 2027 EXPIRATION

KLAC $250.00 Call

KLAC270319C00250000

Latest saved OI1,112Oct 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 $250.00 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. 1,1155570 2026-10-09: 1,093 OI2026-10-13: 1,105 OI2026-10-14: 1,105 OI2026-10-15: 1,115 OI2026-10-16: 1,106 OI2026-10-21: 1,109 OI2026-10-23: 1,112 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, 2026Viewing1,112+3
Oct 21, 20261,109+3
Oct 16, 20261,106-9
Oct 15, 20261,115+10
Oct 14, 20261,1050
Oct 13, 20261,105+12
Oct 09, 20261,093No prior observation