Broad Market Performance: SPYV.US mirrors the performance of the S&P 500 Value Index. Overall market sentiment, economic data, and geopolitical events impact the underlying index, thus directly affecting SPYV.US's price.

Underlying Holdings Performance: The individual stocks comprising the S&P 500 Value Index influence SPYV.US's price. Positive or negative news affecting these specific companies directly impacts the ETF's value.

Interest Rates: Changes in interest rates can affect the valuation of companies within the S&P 500 Value Index, particularly those in interest-rate-sensitive sectors. Higher rates can decrease company valuations, impacting SPYV.US.

Economic Indicators: Economic indicators like GDP growth, inflation, and employment figures influence investor sentiment and corporate earnings, thus indirectly affecting the performance of companies within SPYV.US's portfolio.

Investor Demand: Supply and demand for SPYV.US shares play a role. High demand can drive up the price, while increased selling pressure can lower it.

Sector Rotation: Shifts in investor preference between growth and value stocks can influence SPYV.US. A move towards value can increase demand and price.

ETF Management Fees: While minor, the expense ratio charged by the ETF's manager affects the overall return. Higher fees can slightly reduce the ETF's performance relative to the underlying index.