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Contract OI history

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Mar 19, 2027 EXPIRATION

KLAC $220.00 Call

KLAC270319C00220000

Latest saved OI495Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $220.00 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. 4972480 2026-10-09: 487 OI2026-10-13: 497 OI2026-10-14: 497 OI2026-10-15: 492 OI2026-10-16: 492 OI2026-10-21: 495 OI2026-10-23: 495 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, 2026Viewing4950
Oct 21, 2026495+3
Oct 16, 20264920
Oct 15, 2026492-5
Oct 14, 20264970
Oct 13, 2026497+10
Oct 09, 2026487No prior observation