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Contract OI history

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Oct 23, 2026 EXPIRATION

KLAC $160.00 Put

KLAC261023P00160000

Latest saved OI1,062Oct 23, 2026
Last change-16vs 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. 1,0785390 2026-10-09: 837 OI2026-10-13: 864 OI2026-10-14: 864 OI2026-10-15: 867 OI2026-10-16: 904 OI2026-10-21: 1,078 OI2026-10-23: 1,062 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, 2026Viewing1,062-16
Oct 21, 20261,078+174
Oct 16, 2026904+37
Oct 15, 2026867+3
Oct 14, 20268640
Oct 13, 2026864+27
Oct 09, 2026837No prior observation