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Contract OI history

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Dec 18, 2026 EXPIRATION

KLAC $132.00 Put

KLAC261218P00132000

Latest saved OI156Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $132.00 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. 156780 2026-10-09: 149 OI2026-10-13: 149 OI2026-10-14: 149 OI2026-10-15: 150 OI2026-10-16: 150 OI2026-10-21: 153 OI2026-10-23: 156 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, 2026Viewing156+3
Oct 21, 2026153+3
Oct 16, 20261500
Oct 15, 2026150+1
Oct 14, 20261490
Oct 13, 20261490
Oct 09, 2026149No prior observation