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Contract OI history

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Dec 18, 2026 EXPIRATION

PRDO $35.00 Call

PRDO261218C00035000

Latest saved OI44Oct 23, 2026
Last change+4vs previous saved observation
Saved market days3Oct 16, 2026 onwards
Daily open interest Hover a point for its date and OI
PRDO $35.00 call open interest history 3 saved observations from 2026-10-16 to 2026-10-23. Exact values and changes are listed in the table below. 44220 2026-10-16: 32 OI2026-10-20: 40 OI2026-10-23: 44 OI Oct 16, 2026Oct 23, 2026

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

PRDO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing44+4
Oct 20, 202640+8
Oct 16, 202632No prior observation