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%.
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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.
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
| Month | Capital One | American Express | Discover | Marcus | Betterment |
|---|---|---|---|---|---|
| Oct 2025 | 66.4% | 24.3% | 7.3% | 1.2% | 0.8% |
| Nov 2025 | 66.5% | 24.4% | 7.3% | 1.2% | 0.66% |
| Dec 2025 | 66.3% | 24.3% | 7.3% | 1.5% | 0.66% |
| Jan 2026 | 65.9% | 24.2% | 7.2% | 1.5% | 1.2% |
| Feb 2026 | 66.2% | 24.3% | 7.2% | 1.3% | 0.98% |
| Mar 2026 | 65.5% | 24% | 8% | 1.5% | 0.97% |
| Apr 2026 | 65.7% | 24.1% | 8.1% | 1.2% | 0.97% |
| May 2026 | 65.9% | 24.1% | 8.1% | 1.2% | 0.65% |
| Jun 2026 | 66.5% | 24.4% | 7.3% | 1.2% | 0.66% |
| Jul 2026 | 66.5% | 24.4% | 7.3% | 1.2% | 0.66% |
| Aug 2026 | 67.4% | 24.7% | 6% | 1.3% | 0.67% |
| Sep 2026 | 68.3% | 25% | 5% | 1% | 0.68% |
How has the American Express and Capital One comparison changed over the last 12 months?
3 findings
- Capital One was ahead of American Express in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, American Express’ estimated Share of Search among high yield savings brands in United States moved from 24.3% to 25%, and its estimated monthly branded searches held steady at 3.4M.
- Across the 12 months ending September 2026, Capital One’s estimated Share of Search among high yield savings brands in United States moved from 66.4% to 68.3%, and its estimated monthly branded searches held steady at 9.1M.
How did search popularity change for United States high yield savings brands in September 2026?
1 change

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

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