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Contract OI history

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Oct 30, 2026 EXPIRATION

KLAC $205.00 Call

KLAC261030C00205000

Latest saved OI440Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $205.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4422210 2026-10-09: 422 OI2026-10-13: 422 OI2026-10-14: 422 OI2026-10-15: 431 OI2026-10-16: 429 OI2026-10-21: 442 OI2026-10-23: 440 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, 2026Viewing440-2
Oct 21, 2026442+13
Oct 16, 2026429-2
Oct 15, 2026431+9
Oct 14, 20264220
Oct 13, 20264220
Oct 09, 2026422No prior observation