Fund Performance: Higher historical returns and consistent performance attract investors, increasing demand and the fund's price.

Market Conditions: Overall stock market performance, especially in sectors the fund invests in, directly impacts PSOAX's Net Asset Value (NAV).

Interest Rates: Rising interest rates can make bonds more attractive, potentially diverting investment from stocks, possibly lowering PSOAX's price.

Fund Flows: Large inflows increase demand, potentially pushing the price higher. Outflows can pressure the price downwards as shares are sold.

Expense Ratio: While not directly influencing price, a high expense ratio can deter investors, indirectly impacting demand and potentially price.

Economic Data: Strong economic data (GDP growth, employment) often boosts investor confidence, increasing demand for equity funds like PSOAX.

Sector Performance: The performance of sectors heavily represented in PSOAX's portfolio influences its overall return and, therefore, its price.

Investor Sentiment: General optimism or pessimism in the market can drive buying or selling pressure, impacting PSOAX's price regardless of fundamentals.