Inverse ETF Mechanism: EDZ.MX aims to deliver the inverse of the daily performance of an index, typically an equity index related to emerging markets. Its price moves in the opposite direction of that index.

Underlying Index Performance: The primary driver. If the underlying index declines, EDZ.MX should theoretically increase in value, and vice versa.

Volatility Decay: Inverse ETFs often suffer from volatility decay. Repeated daily gains and losses in the underlying index can erode the ETF's value over longer periods, even if the index returns to its starting point.

Management Fees and Expenses: These costs, deducted from the ETF's assets, reduce its overall return.

Supply and Demand: Market forces of supply and demand for the EDZ.MX shares themselves can also influence its price, especially during periods of high trading volume.

Rebalancing Costs: To maintain its inverse exposure, the ETF manager must rebalance its portfolio regularly, incurring transaction costs that affect its performance.