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Contract OI history

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Dec 18, 2026 EXPIRATION

PLAB $20.00 Put

PLAB261218P00020000

Latest saved OI1,361Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
PLAB $20.00 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. 1,3616800 2026-10-08: 1,349 OI2026-10-09: 1,349 OI2026-10-13: 1,349 OI2026-10-14: 1,353 OI2026-10-16: 1,357 OI2026-10-20: 1,361 OI2026-10-23: 1,361 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, 2026Viewing1,3610
Oct 20, 20261,361+4
Oct 16, 20261,357+4
Oct 14, 20261,353+4
Oct 13, 20261,3490
Oct 09, 20261,3490
Oct 08, 20261,349No prior observation