Capital One's Q3 2026 earnings release, scheduled for October 20 after market close, serves as the primary catalyst shaping trader sentiment. Consensus estimates call for EPS of approximately $5.45, down about 8% year over year, with revenue projected near $16.1–16.3 billion amid moderating net interest income growth, weaker consumer loan demand, and elevated credit provisions. These headwinds are partially offset by strength in the credit card segment and interchange fees. The 55% implied probability of a beat reflects Capital One's mixed but frequently positive recent surprise history, including a substantial Q2 beat, alongside uncertainty over expense trends and seasonal factors. Traders are closely monitoring any revisions to forward guidance on asset growth and margins.