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Contract OI history

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Oct 23, 2026 EXPIRATION

KLAC $215.00 Call

KLAC261023C00215000

Latest saved OI737Oct 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 $215.00 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. 7373680 2026-10-09: 652 OI2026-10-13: 727 OI2026-10-14: 727 OI2026-10-15: 727 OI2026-10-16: 727 OI2026-10-21: 737 OI2026-10-23: 737 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, 2026Viewing7370
Oct 21, 2026737+10
Oct 16, 20267270
Oct 15, 20267270
Oct 14, 20267270
Oct 13, 2026727+75
Oct 09, 2026652No prior observation