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Contract OI history

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Oct 23, 2026 EXPIRATION

KLAC $210.00 Call

KLAC261023C00210000

Latest saved OI484Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $210.00 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. 5472730 2026-10-09: 547 OI2026-10-13: 546 OI2026-10-14: 546 OI2026-10-15: 534 OI2026-10-16: 519 OI2026-10-21: 485 OI2026-10-23: 484 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, 2026Viewing484-1
Oct 21, 2026485-34
Oct 16, 2026519-15
Oct 15, 2026534-12
Oct 14, 20265460
Oct 13, 2026546-1
Oct 09, 2026547No prior observation