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Contract OI history

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Nov 20, 2026 EXPIRATION

KLAC $125.00 Put

KLAC261120P00125000

Latest saved OI683Oct 23, 2026
Last change+18vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $125.00 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. 6833410 2026-10-09: 632 OI2026-10-13: 632 OI2026-10-14: 632 OI2026-10-15: 663 OI2026-10-16: 663 OI2026-10-21: 665 OI2026-10-23: 683 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, 2026Viewing683+18
Oct 21, 2026665+2
Oct 16, 20266630
Oct 15, 2026663+31
Oct 14, 20266320
Oct 13, 20266320
Oct 09, 2026632No prior observation