Underlying Asset Performance: VOO.MX's price closely tracks the Vanguard S&P 500 ETF (VOO) which, in turn, reflects the performance of the 500 largest US companies. Strong earnings reports, positive economic data, or industry-specific growth within the S&P 500 generally lead to price increases.

Supply and Demand: High demand for VOO.MX, driven by investor confidence or market sentiment, will push the price up. Conversely, increased selling pressure can cause the price to fall.

Currency Exchange Rates: Since VOO.MX trades in Mexican pesos (MXN) but represents USD-denominated assets, fluctuations in the USD/MXN exchange rate directly impact its price. A stronger USD makes VOO.MX more expensive for Mexican investors, potentially decreasing demand.

Market Conditions: Broad market trends, such as bull or bear markets, significantly influence VOO.MX. Positive overall market sentiment typically lifts the ETF, while negative sentiment can drag it down.

Interest Rates: Changes in interest rates, particularly in the US, can affect investment flows and corporate profitability. Higher interest rates can make bonds more attractive, potentially reducing demand for equity ETFs like VOO.MX, and impacting corporate earnings.

Economic Indicators: Key economic indicators, like inflation, unemployment, and GDP growth, influence investor sentiment and corporate performance. Positive indicators usually boost VOO.MX, while negative ones can lead to declines.