Bond Yields: Changes in Mexican government bond yields directly impact IEF.MX as it holds these bonds. Rising yields typically decrease the ETF's price.

Interest Rate Policies: Banco de Mexico's (Banxico) interest rate decisions affect bond yields and thus IEF.MX. Higher rates usually lead to lower ETF prices.

Inflation Expectations: Inflation influences bond yields. Higher inflation expectations can push yields up, reducing IEF.MX's price.

Economic Growth: Mexican economic growth prospects can impact investor sentiment and bond demand. Stronger growth might moderately pressure IEF.MX.

Currency Fluctuations: The MXN/USD exchange rate affects IEF.MX's value for international investors. A weaker MXN can decrease returns for them.

Market Liquidity: Lower liquidity in Mexican bond markets can increase price volatility in IEF.MX, making it more susceptible to price swings.

Investor Sentiment: Overall market risk appetite influences demand for fixed-income assets like IEF.MX. Negative sentiment could lower its price.

Credit Ratings: Downgrades of Mexican government debt can decrease demand for the bonds IEF.MX holds, lowering the ETF's price.