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Contract OI history

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Dec 18, 2026 EXPIRATION

KLAC $250.00 Call

KLAC261218C00250000

Latest saved OI436Oct 23, 2026
Last change+30vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $250.00 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. 4582290 2026-10-09: 458 OI2026-10-13: 451 OI2026-10-14: 451 OI2026-10-15: 451 OI2026-10-16: 451 OI2026-10-21: 406 OI2026-10-23: 436 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, 2026Viewing436+30
Oct 21, 2026406-45
Oct 16, 20264510
Oct 15, 20264510
Oct 14, 20264510
Oct 13, 2026451-7
Oct 09, 2026458No prior observation