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Contract OI history

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Dec 18, 2026 EXPIRATION

PLAB $22.50 Put

PLAB261218P00022500

Latest saved OI2,838Oct 23, 2026
Last change+5vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
PLAB $22.50 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 2,8381,4190 2026-10-08: 2,775 OI2026-10-09: 2,775 OI2026-10-13: 2,776 OI2026-10-14: 2,805 OI2026-10-16: 2,806 OI2026-10-20: 2,833 OI2026-10-23: 2,838 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

PLAB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,838+5
Oct 20, 20262,833+27
Oct 16, 20262,806+1
Oct 14, 20262,805+29
Oct 13, 20262,776+1
Oct 09, 20262,7750
Oct 08, 20262,775No prior observation