Capital One's upcoming Q3 2026 earnings release on October 20 drives the 61.5% market-implied probability of beating consensus estimates, which center on roughly $5.3–$5.5 EPS and $16.3 billion in revenue. Recent quarters show mixed results, with a strong Q2 beat of $5.81 versus $4.8–$4.9 estimates contrasting a modest Q1 miss, amid ongoing Discover integration costs, Brex synergies, and stabilizing credit metrics after prior reserve builds. Traders price in moderate upside from loan growth and efficiency gains while accounting for potential "brownout" effects on Discover portfolios and elevated expectations that could limit surprises. The release and conference call represent the key near-term catalyst shaping sentiment.