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Contract OI history

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Sep 17, 2027 EXPIRATION

KLAC $200.00 Put

KLAC270917P00200000

Latest saved OI113Oct 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 $200.00 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. 113560 2026-10-09: 111 OI2026-10-13: 112 OI2026-10-14: 112 OI2026-10-15: 111 OI2026-10-16: 111 OI2026-10-21: 113 OI2026-10-23: 113 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, 2026Viewing1130
Oct 21, 2026113+2
Oct 16, 20261110
Oct 15, 2026111-1
Oct 14, 20261120
Oct 13, 2026112+1
Oct 09, 2026111No prior observation