Brandwave

American Express vs Capital One:Which is searched more in United States?

In September 2026, Capital One had more branded searches than American Express among high yield savings brands in United States. Capital One was estimated to have 9.1M branded searches compared to American Express’ 3.4M, and held a 68.3% Share of Search versus American Express’ 25%.

Share of Search among high yield savings brands in United States in September 2026Which is more popular in search, American Express or Capital One?
American Express25%3.4M searches
vs
Capital One68.3%9.1M 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 high yield savings brands people buy. 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 high yield savings brands in United States, 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 ExpressDiscoverMarcusBetterment
Oct 202566.4%24.3%7.3%1.2%0.8%
Nov 202566.5%24.4%7.3%1.2%0.66%
Dec 202566.3%24.3%7.3%1.5%0.66%
Jan 202665.9%24.2%7.2%1.5%1.2%
Feb 202666.2%24.3%7.2%1.3%0.98%
Mar 202665.5%24%8%1.5%0.97%
Apr 202665.7%24.1%8.1%1.2%0.97%
May 202665.9%24.1%8.1%1.2%0.65%
Jun 202666.5%24.4%7.3%1.2%0.66%
Jul 202666.5%24.4%7.3%1.2%0.66%
Aug 202667.4%24.7%6%1.3%0.67%
Sep 202668.3%25%5%1%0.68%

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

How did search popularity change for United States high yield savings brands in September 2026?

  1. In September 2026, Capital One gained estimated Share of Search among high yield savings brands in United States, from 67.4% to 68.3%.

Other head-to-heads among high yield savings brands

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.