The anticipation of Ecopetrol's earnings report and its potential to meet or exceed the EPS estimate of $0.54 is crucial. Historical data indicates that the company's performance in meeting EPS estimates has been mixed, which could lead to cautious optimism among investors. The stock's positive year-to-date performance suggests a generally bullish sentiment, but the actual earnings result and future guidance will be key drivers of short-term stock movement. Given the mixed historical performance, the short-term impact is assessed as neutral until the earnings results are disclosed.