Interest Rates: As a preferred stock, BANFP's value is sensitive to changes in interest rates. Rising interest rates can make fixed-income securities like preferred stocks less attractive, potentially leading to a decrease in their market price, and vice versa.

Inflation: High inflation can erode the purchasing power of the fixed dividend payments received by BANFP shareholders, making the investment less appealing in real terms. Investors may seek assets that offer better protection against inflation.

Financial Sector Health and Credit Risk of Parent Company: The stability and financial performance of BancFirst Corporation (the parent company) directly impact the ability of BFC Capital Trust II to make its distributions on the preferred securities. A strong financial sector and healthy performance by BancFirst Corporation are positive factors for BANFP.