Underlying Asset Performance: The price of UIVPX.US, being an inverse leveraged ETF, is significantly affected by the performance of its underlying index or assets. A decrease in the value of the underlying assets will generally cause an increase in the price of UIVPX.US, and vice versa.

Leverage Ratio: UIVPX.US is a leveraged ETF, meaning it aims to amplify the returns (or losses) of its underlying index. The leverage ratio will directly influence the magnitude of price fluctuations; a higher leverage ratio results in larger price swings.

Market Volatility: Increased market volatility can lead to more significant price fluctuations in UIVPX.US. Inverse leveraged ETFs are more susceptible to the effects of volatility decay, which can erode returns over time, especially in choppy markets.

Interest Rates and Funding Costs: The costs associated with maintaining the leveraged position, such as interest rates on borrowed funds, can impact the fund's expenses and consequently affect its price. Higher interest rates may lead to lower returns.

Supply and Demand: General market supply and demand for UIVPX.US shares can also influence its price. Higher demand relative to supply will tend to push the price up, while increased supply compared to demand will likely lower the price.