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Contract OI history

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Oct 23, 2026 EXPIRATION

KLAC $185.00 Put

KLAC261023P00185000

Latest saved OI453Oct 23, 2026
Last change-77vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $185.00 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. 5482740 2026-10-09: 525 OI2026-10-13: 548 OI2026-10-14: 548 OI2026-10-15: 543 OI2026-10-16: 537 OI2026-10-21: 530 OI2026-10-23: 453 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, 2026Viewing453-77
Oct 21, 2026530-7
Oct 16, 2026537-6
Oct 15, 2026543-5
Oct 14, 20265480
Oct 13, 2026548+23
Oct 09, 2026525No prior observation