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Contract OI history

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Jan 15, 2027 EXPIRATION

KLAC $160.00 Put

KLAC270115P00160000

Latest saved OI1,799Oct 23, 2026
Last change+182vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $160.00 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. 1,7998990 2026-10-09: 1,526 OI2026-10-13: 1,603 OI2026-10-14: 1,603 OI2026-10-15: 1,600 OI2026-10-16: 1,615 OI2026-10-21: 1,617 OI2026-10-23: 1,799 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, 2026Viewing1,799+182
Oct 21, 20261,617+2
Oct 16, 20261,615+15
Oct 15, 20261,600-3
Oct 14, 20261,6030
Oct 13, 20261,603+77
Oct 09, 20261,526No prior observation