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Contract OI history

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Jan 15, 2027 EXPIRATION

KLAC $124.00 Put

KLAC270115P00124000

Latest saved OI249Oct 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 $124.00 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. 2491240 2026-10-09: 242 OI2026-10-13: 243 OI2026-10-14: 243 OI2026-10-15: 243 OI2026-10-16: 243 OI2026-10-21: 244 OI2026-10-23: 249 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, 2026Viewing249+5
Oct 21, 2026244+1
Oct 16, 20262430
Oct 15, 20262430
Oct 14, 20262430
Oct 13, 2026243+1
Oct 09, 2026242No prior observation