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Contract OI history

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Jan 15, 2027 EXPIRATION

KLAC $152.00 Put

KLAC270115P00152000

Latest saved OI1,624Oct 23, 2026
Last change+5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $152.00 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. 1,6248120 2026-10-09: 1,604 OI2026-10-13: 1,602 OI2026-10-14: 1,602 OI2026-10-15: 1,602 OI2026-10-16: 1,602 OI2026-10-21: 1,619 OI2026-10-23: 1,624 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, 2026Viewing1,624+5
Oct 21, 20261,619+17
Oct 16, 20261,6020
Oct 15, 20261,6020
Oct 14, 20261,6020
Oct 13, 20261,602-2
Oct 09, 20261,604No prior observation