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Contract OI history

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Nov 20, 2026 EXPIRATION

KLAC $130.00 Put

KLAC261120P00130000

Latest saved OI199Oct 23, 2026
Last change+13vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $130.00 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. 199990 2026-10-09: 154 OI2026-10-13: 154 OI2026-10-14: 154 OI2026-10-15: 154 OI2026-10-16: 156 OI2026-10-21: 186 OI2026-10-23: 199 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, 2026Viewing199+13
Oct 21, 2026186+30
Oct 16, 2026156+2
Oct 15, 20261540
Oct 14, 20261540
Oct 13, 20261540
Oct 09, 2026154No prior observation