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Contract OI history

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Jun 17, 2027 EXPIRATION

KLAC $174.00 Put

KLAC270617P00174000

Latest saved OI2,069Oct 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 $174.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2,0691,0340 2026-10-09: 1,319 OI2026-10-13: 1,319 OI2026-10-14: 1,319 OI2026-10-15: 1,319 OI2026-10-16: 1,319 OI2026-10-21: 2,069 OI2026-10-23: 2,069 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, 2026Viewing2,0690
Oct 21, 20262,069+750
Oct 16, 20261,3190
Oct 15, 20261,3190
Oct 14, 20261,3190
Oct 13, 20261,3190
Oct 09, 20261,319No prior observation