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Contract OI history

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Mar 19, 2027 EXPIRATION

PLAB $22.50 Put

PLAB270319P00022500

Latest saved OI285Oct 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 $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. 2851420 2026-10-08: 283 OI2026-10-09: 283 OI2026-10-13: 285 OI2026-10-14: 285 OI2026-10-16: 285 OI2026-10-20: 285 OI2026-10-23: 285 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, 2026Viewing2850
Oct 20, 20262850
Oct 16, 20262850
Oct 14, 20262850
Oct 13, 2026285+2
Oct 09, 20262830
Oct 08, 2026283No prior observation