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Contract OI history

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Oct 30, 2026 EXPIRATION

KLAC $215.00 Put

KLAC261030P00215000

Latest saved OI105Oct 23, 2026
Last change-6vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $215.00 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. 111550 2026-10-09: 111 OI2026-10-13: 111 OI2026-10-14: 111 OI2026-10-15: 111 OI2026-10-16: 111 OI2026-10-21: 111 OI2026-10-23: 105 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, 2026Viewing105-6
Oct 21, 20261110
Oct 16, 20261110
Oct 15, 20261110
Oct 14, 20261110
Oct 13, 20261110
Oct 09, 2026111No prior observation