Flaherty & Crumrine Preferred Income Opportunity Fund Inc. (PFO) Open Interest History

Open interest tracks the total number of outstanding options contracts. Rising OI alongside price moves can indicate growing commitment to the trend; declining OI suggests positions are being closed.

Flaherty & Crumrine Preferred Income Opportunity Fund Inc. (PFO) operates in the Financial Services sector, specifically the Asset Management - Income industry, with a market capitalization near $119.5M, listed on NYSE, carrying a beta of 0.76 to the broader market. Flaherty & Crumrine Preferred Income Opportunity Fund Inc. Led by Donald Frasier Crumrine, public since 1992-02-06.

Open interest history tracks how outstanding options contracts change over time. No recent options activity for PFO as of 2026-06-02; this typically reflects low options liquidity, a recently listed name, or a temporary data feed delay. Snapshot will refresh on the next active session.

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