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Contract OI history

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Jan 19, 2029 EXPIRATION

PLAB $17.50 Put

PLAB290119P00017500

Latest saved OI21Oct 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 $17.50 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. 21100 2026-10-08: 19 OI2026-10-09: 19 OI2026-10-13: 19 OI2026-10-14: 19 OI2026-10-16: 19 OI2026-10-20: 21 OI2026-10-23: 21 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, 2026Viewing210
Oct 20, 202621+2
Oct 16, 2026190
Oct 14, 2026190
Oct 13, 2026190
Oct 09, 2026190
Oct 08, 202619No prior observation