Mercadolibre's $1.33B Volume Surge Propels It to 49th in Daily Trading Rankings

On September 12, 2025, Mercadolibre (MELI) saw a trading volume of $1.33 billion, marking a 71.28% surge from the previous day’s activity. The stock closed with a 0.05% gain, securing a rank of 49th in terms of volume among listed equities for the day.

Recent developments highlight strategic adjustments in Mercadolibre’s market approach. The company has been refining its logistics infrastructure to reduce delivery times in key Latin American markets, a move analysts suggest could strengthen customer retention. Additionally, regulatory updates in Brazil, where the firm holds a significant market share, have prompted a review of cross-border e-commerce tax frameworks. These changes may influence operational costs and pricing strategies in the near term.

To build an accurate back-test, specific parameters require clarification: 1. **Market universe**: Define the exchange(s) for the “top-500-by-volume” list (e.g., U.S.-listed stocks on NYSE + NASDAQ). 2. **Rebalancing convention**: Determine whether to rank stocks by closing volume, execute trades at the next day’s open, and exit at close (1-day holding period), or use closing prices for both entry and exit. Equal-weighting of all 500 positions at entry should also be confirmed. 3. **Transaction costs**: Specify whether to assume zero costs or apply per-trade expenses, including slippage. These details will guide the data retrieval plan and back-test execution.