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Contract OI history

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Jun 17, 2027 EXPIRATION

KLAC $148.00 Put

KLAC270617P00148000

Latest saved OI584Oct 23, 2026
Last change+5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $148.00 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. 5842920 2026-10-09: 336 OI2026-10-13: 468 OI2026-10-14: 468 OI2026-10-15: 468 OI2026-10-16: 579 OI2026-10-21: 579 OI2026-10-23: 584 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, 2026Viewing584+5
Oct 21, 20265790
Oct 16, 2026579+111
Oct 15, 20264680
Oct 14, 20264680
Oct 13, 2026468+132
Oct 09, 2026336No prior observation