Core Insights - American Express is expected to announce earnings on October 17, 2025, with projected revenues of $18 billion, an 8.5% year-over-year increase, and earnings of approximately $3.28 per share, reflecting a 6.5% rise compared to the previous year [1] - The anticipated growth is attributed to increased cardholder spending and a rise in net card fees, driven by greater penetration of premium products and strong retention rates [1] - The company's current market capitalization is $229 billion, with revenue over the past twelve months at $69 billion and net income around $10 billion [2] Earnings Performance Analysis - Historical data shows that over the past five years, there have been 20 earnings data points, with 7 positive and 13 negative one-day returns, resulting in a 35% occurrence of positive returns [6] - The percentage of positive one-day returns drops to 25% when examining the last three years, with a median positive return of 6.2% and a median negative return of -2.7% [6] - Analyzing the correlation between short-term and medium-term returns can provide insights for traders, particularly if a strong correlation exists between 1D and 5D returns [7]