Given Copa Holdings' history of stock price movements post-earnings and the current positive anticipation based on the expected EPS of $3.87, there is a high likelihood of a positive short-term impact on CPA's stock price, especially if the company beats the EPS estimate and provides favorable future guidance. Historical data shows that the company's stock price tends to react to earnings beats and guidance, with a 7.25% increase over the last 52 weeks indicating a bullish sentiment among long-term shareholders.