American Express vs Capital One
High-Yield Savings Accounts Comparison
Last Updated: July 15, 2025
Summary of American Express vs. Capital One
As of July 15, 2025 American Express offers an APY of 3.60% for its High Yield Savings Account account, compared to Capital One's 3.50% APY for its 360 Performance Savings account.
American Express yields $10 more than Capital One on a $10,000 balance after one year. American Express pays $360, while Capital One pays $350 - an APY advantage for American Express.
American Express
Strengths
- American Express offers a higher APY of 3.60% compared to Capital One's 3.50%.
- No minimum deposit or balance requirements for American Express's High Yield Savings Account.
- American Express has a lower maintenance fee of $0.
Potential Drawbacks
- American Express has an F BBB rating and is not BBB Accredited.
- American Express has no physical branches for in-person banking.
- American Express's Google Play rating is lower at 3.8 compared to Capital One's 4.5.
Capital One
Strengths
- Capital One has an A+ BBB rating and is BBB Accredited.
- Capital One offers over 200 branches for in-person banking.
- Capital One's Google Play rating is higher at 4.5.
Potential Drawbacks
- Capital One's APY is lower at 3.50%, down from 3.60% 30 days ago.
- No minimum deposit or balance requirements for Capital One's 360 Performance Savings.
- Capital One has a maintenance fee of $0.
Summary: American Express provides a slightly higher APY of 3.60% compared to Capital One's 3.50%. However, American Express lacks physical branches and has a poor BBB rating, while Capital One offers in-person banking and has an A+ BBB rating. Both banks have no maintenance fees and require no minimum deposit or balance, making them accessible for savers.
Compare American Express' vs Capital One's Savings Accounts
| American Express | Capital One | ||
|---|---|---|---|
| Product | High Yield Savings Account | vs | 360 Performance Savings |
| APY | 3.60% (as of 7/15/2025) | 3.50% (as of 7/15/2025) | |
| Bundled Account | No | No | |
| FDIC-insured | Yes | Yes | |
| Online Only | Yes | No | |
| Compound Frequency | Daily | Monthly | |
| Minimum Deposit | $0 | $0 | |
| Minimum Balance for APY | $0 | $0 | |
| Maintenance Fee | $0 | $0 | |
| Direct Deposit Required | No | No | |
| Visit Bank | High Yield Savings Account | 360 Performance Savings | |
| App Store Rating | 4.9/5 | 4.9/5 | |
| Google Play Rating | 3.8/5 | 4.5/5 | |
| BBB Rating | F | A+ |
Comparative Historical APY Insights (Last 6 Months)
| American Express | Capital One | ||
|---|---|---|---|
| Product | High Yield Savings Account | vs | 360 Performance Savings |
| Latest APY | 3.60 % | 3.50 % | |
| Trend | Sideways | Sideways | |
| Slope (bps/mo) | -3.9 | -4.3 | |
| Rate Changes / Mo | 0.34 | 0.52 | |
| Days Since Last Change | 68 | 19 | |
| High (-6 m) | 3.80 % | 3.80 % | |
| Low (-6 m) | 3.60 % | 3.50 % | |
| Draw-down from High | -5.3 % | -7.9 % | |
| Volatility (CV) | 0.019 | 0.022 |
APY Insights Glossary
- Latest APY
- Most recent advertised annual-percentage yield.
- Trend
- Direction over the last 6 months (regression slope).
- Slope (bps/mo)
- Average monthly change; 10 bps = 0.10 pp.
- Rate Changes / Mo
- Typical number of APY moves per month.
- Days Since Last Change
- Recency of the latest APY adjustment.
- High (-6 m)
- Highest APY in the last 174 days.
- Low (-6 m)
- Lowest APY in the last 174 days.
- Draw-down from High
- How far today sits below the 6-month peak.
- Volatility (CV)
- Coefficient of variation = stdev ÷ mean.
Why Track Savings-Account APYs?
- See how quickly a bank reacts to Fed moves or competition.
- Gauge “twitchiness” - frequent moves can annoy savers.
- Spot if you're buying near a peak (draw-down) or riding a rise.
- Slope (bps/mo) shows speed of change.
- Volatility (CV) scales jumps by average level.
Calculate Savings Growth for American Express vs Capital One
All calculations are based on APY.
American Express
APY: 3.60%
Total savings breakdown:
- Interest earned: $36 (3.47%)
- Total contributions: $0 (0.00%)
- Initial deposit: $1,000 (96.53%)
Your total balance
$1,036.00
Effective APY: 3.60% (based on your deposit and contributions)
Total balance: $1,036
Earnings: $36
Bank DetailsCapital One
APY: 3.50%
Total savings breakdown:
- Interest earned: $35 (3.38%)
- Total contributions: $0 (0.00%)
- Initial deposit: $1,000 (96.62%)
Your total balance
$1,035.00
Effective APY: 3.50% (based on your deposit and contributions)
Total balance: $1,035
Earnings: $35
Bank DetailsAfter 1 year American Express would earn you $1 more than Capital One.
More Comparisons
Compare American Express' APY of 3.60% with other banks
| Bank Pair | Best APY | Min Deposit |
|---|---|---|
| American Express vs Ally Bank | 3.50% | $0 |
| American Express vs Axos Bank | 4.66% | $0 |
| American Express vs Bank of America | 0.01% | $100 |
| American Express vs Barclays | 4.10% | $0 |
| American Express vs Chase Bank | 0.01% | $0 |
| American Express vs Chime | 3.75% | $0 |
| American Express vs CIT Bank | 4.00% | $100 |
| American Express vs Discover Bank | 3.50% | $0 |
| American Express vs Fitness Bank | 5.00% | $100 |
| American Express vs Marcus by Goldman Sachs | 3.65% | $0 |
| American Express vs Presidential Bank | 4.50% | $5,000 |
| American Express vs SoFi Bank | 3.80% | $0 |
| American Express vs Synchrony Bank | 3.80% | $0 |
| American Express vs Varo Bank | 5.00% | $0 |
| American Express vs Wells Fargo | 2.51% | $25 |
Compare Capital One's APY of 3.50% with other banks
| Bank Pair | Best APY | Min Deposit |
|---|---|---|
| Capital One vs Ally Bank | 3.50% | $0 |
| Capital One vs Axos Bank | 4.66% | $0 |
| Capital One vs Bank of America | 0.01% | $100 |
| Capital One vs Barclays | 4.10% | $0 |
| Capital One vs Chase Bank | 0.01% | $0 |
| Capital One vs Chime | 3.75% | $0 |
| Capital One vs CIT Bank | 4.00% | $100 |
| Capital One vs Discover Bank | 3.50% | $0 |
| Capital One vs Fitness Bank | 5.00% | $100 |
| Capital One vs Marcus by Goldman Sachs | 3.65% | $0 |
| Capital One vs Presidential Bank | 4.50% | $5,000 |
| Capital One vs SoFi Bank | 3.80% | $0 |
| Capital One vs Synchrony Bank | 3.80% | $0 |
| Capital One vs Varo Bank | 5.00% | $0 |
| Capital One vs Wells Fargo | 2.51% | $25 |