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Contract OI history

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Nov 20, 2026 EXPIRATION

KLAC $160.00 Put

KLAC261120P00160000

Latest saved OI886Oct 23, 2026
Last change+283vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $160.00 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. 8864430 2026-10-09: 534 OI2026-10-13: 550 OI2026-10-14: 550 OI2026-10-15: 551 OI2026-10-16: 574 OI2026-10-21: 603 OI2026-10-23: 886 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, 2026Viewing886+283
Oct 21, 2026603+29
Oct 16, 2026574+23
Oct 15, 2026551+1
Oct 14, 20265500
Oct 13, 2026550+16
Oct 09, 2026534No prior observation