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Contract OI history

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Mar 19, 2027 EXPIRATION

KLAC $182.00 Put

KLAC270319P00182000

Latest saved OI153Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $182.00 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. 153760 2026-10-09: 114 OI2026-10-13: 135 OI2026-10-14: 135 OI2026-10-15: 150 OI2026-10-16: 149 OI2026-10-21: 151 OI2026-10-23: 153 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, 2026Viewing153+2
Oct 21, 2026151+2
Oct 16, 2026149-1
Oct 15, 2026150+15
Oct 14, 20261350
Oct 13, 2026135+21
Oct 09, 2026114No prior observation