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Contract OI history

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Dec 18, 2026 EXPIRATION

KLAC $160.00 Put

KLAC261218P00160000

Latest saved OI1,248Oct 23, 2026
Last change+104vs 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. 1,2486240 2026-10-09: 828 OI2026-10-13: 828 OI2026-10-14: 828 OI2026-10-15: 827 OI2026-10-16: 829 OI2026-10-21: 1,144 OI2026-10-23: 1,248 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, 2026Viewing1,248+104
Oct 21, 20261,144+315
Oct 16, 2026829+2
Oct 15, 2026827-1
Oct 14, 20268280
Oct 13, 20268280
Oct 09, 2026828No prior observation