Market Interest Rates: Higher rates reduce the present value of future dividends, potentially lowering the ETF's price.

Underlying Bond Prices: IVVPF.US invests in Vanguard USD Corporate Bond ETF, so fluctuations in its price directly impact IVVPF.US.

Credit Spreads: Widening spreads, indicating increased credit risk, can decrease corporate bond values and ETF prices.

Economic Growth Expectations: Stronger growth typically favors riskier assets like corporate bonds, potentially raising the ETF's price. Weaker growth may lead to a decrease.

Inflation Expectations: Rising inflation erodes bond values, potentially causing the ETF's price to decline as yields increase.

Supply and Demand: Increased demand for IVVPF.US can drive up its price, while increased supply can push it down.

Liquidity of Underlying Bonds: Lower liquidity in the corporate bond market can make it harder to value and trade the underlying assets, potentially impacting the ETF's price.

Fund Management Fees: While not directly changing market price, higher fees reduce the return to investors, influencing demand and indirectly affecting the price.