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Contract OI history

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Jun 17, 2027 EXPIRATION

KLAC $126.00 Put

KLAC270617P00126000

Latest saved OI186Oct 23, 2026
Last change+86vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $126.00 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. 186930 2026-10-09: 100 OI2026-10-13: 100 OI2026-10-14: 100 OI2026-10-15: 100 OI2026-10-16: 100 OI2026-10-21: 100 OI2026-10-23: 186 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, 2026Viewing186+86
Oct 21, 20261000
Oct 16, 20261000
Oct 15, 20261000
Oct 14, 20261000
Oct 13, 20261000
Oct 09, 2026100No prior observation