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Contract OI history

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Jan 15, 2027 EXPIRATION

KLAC $136.00 Put

KLAC270115P00136000

Latest saved OI822Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $136.00 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. 8224110 2026-10-09: 634 OI2026-10-13: 635 OI2026-10-14: 635 OI2026-10-15: 635 OI2026-10-16: 635 OI2026-10-21: 822 OI2026-10-23: 822 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, 2026Viewing8220
Oct 21, 2026822+187
Oct 16, 20266350
Oct 15, 20266350
Oct 14, 20266350
Oct 13, 2026635+1
Oct 09, 2026634No prior observation