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Contract OI history

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Jan 15, 2027 EXPIRATION

KLAC $126.00 Put

KLAC270115P00126000

Latest saved OI448Oct 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 $126.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4482240 2026-10-09: 448 OI2026-10-13: 447 OI2026-10-14: 447 OI2026-10-15: 447 OI2026-10-16: 447 OI2026-10-21: 447 OI2026-10-23: 448 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, 2026Viewing448+1
Oct 21, 20264470
Oct 16, 20264470
Oct 15, 20264470
Oct 14, 20264470
Oct 13, 2026447-1
Oct 09, 2026448No prior observation