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Contract OI history

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Oct 23, 2026 EXPIRATION

KLAC $175.00 Put

KLAC261023P00175000

Latest saved OI316Oct 23, 2026
Last change-95vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $175.00 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. 4642320 2026-10-09: 407 OI2026-10-13: 434 OI2026-10-14: 434 OI2026-10-15: 451 OI2026-10-16: 464 OI2026-10-21: 411 OI2026-10-23: 316 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, 2026Viewing316-95
Oct 21, 2026411-53
Oct 16, 2026464+13
Oct 15, 2026451+17
Oct 14, 20264340
Oct 13, 2026434+27
Oct 09, 2026407No prior observation