Brandwave

American Express vs Capital One:Which is more popular by branded search?

In August 2026, Capital One had more branded searches than American Express among credit cards worldwide. Capital One was estimated to have 11.1M branded searches compared to American Express’ 5M, and held a 62.2% Share of Search versus American Express’ 28%. These are worldwide searches for English-language branded terms.

Share of Search among credit cards worldwide in August 2026Which is more popular in search, American Express or Capital One?
American Express28%5M searches
vs
Capital One62.2%11.1M searches

Follow American Express vs Capital One and get free monthly updates on what changed

By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy

Track your brand against a rival →

Which is more popular in search, American Express or Capital One?

Compare the credit cards operators run on. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.

American Express and Capital One among credit cards worldwide, by month

Share of Search by month for Capital One, American Express. The figures are in the table below the chart.

View monthly share of search table
MonthCapital OneAmerican ExpressDiscoverBarclaycardVisaMastercard
Oct 202561.8%27.8%7.1%2%1.1%0.15%
Nov 202557.5%31.4%8%1.9%1.1%0.11%
Dec 202557.4%31.4%8%1.9%1.2%0.14%
Jan 202658.1%32%6.7%1.9%1.2%0.14%
Feb 202657.5%31.4%8%1.9%1.1%0.14%
Mar 202661.5%27.7%8%1.7%0.94%0.15%
Apr 202661.5%27.7%8%1.7%0.94%0.12%
May 202656.5%30.9%9.6%1.9%0.99%0.14%
Jun 202656.8%31.1%9%1.9%1.1%0.17%
Jul 202656.8%31.1%9%1.9%1.1%0.17%
Aug 202662.2%28%7.1%1.7%0.89%0.12%
Sep 2026——————

How has the American Express and Capital One comparison changed over the last 12 months?

  • Capital One was ahead of American Express in every measured month of the 11 months ending August 2026.
  • Across the 11 months ending August 2026, American Express’ estimated Share of Search among credit cards worldwide moved from 27.8% to 28%, and its estimated monthly branded searches held steady at 5M.
  • Across the 11 months ending August 2026, Capital One’s estimated Share of Search among credit cards worldwide moved from 61.8% to 62.2%, and its estimated monthly branded searches held steady at 11.1M.

How did search popularity change for credit cards worldwide in August 2026?

  1. In August 2026, Capital One gained estimated Share of Search among credit cards worldwide, from 56.8% to 62.2%.

  2. In August 2026, American Express lost estimated Share of Search among credit cards worldwide, from 31.1% to 28%.

How each brand is measured

Brandwave collects information about searches that people make online using American Express’ and Capital One’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

American Express

1 branded search term

  • american express

Capital One

1 branded search term

  • capital one

How the Brand Demand Index is measured

Creator with pink hair and a pink jacket

Put your own brand in this comparison

Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.