American Express vs Capital One
High-Yield Savings Accounts Comparison
Last Updated: June 20, 2025
Summary of American Express vs. Capital One
As of 6/20/2025 both American Express (High Yield Savings Account) and Capital One (360 Performance Savings) offer an APY of 3.60% .
Both banks yield $360 in interest on a $10,000 balance after one year. Neither has an APY advantage, so consider other features (fees, access, app ratings, etc.) when choosing.
American Express
Strengths
- American Express offers a High Yield Savings Account with a competitive APY of 3.60%.
- No maintenance fees or minimum balance requirements for American Express accounts.
- American Express has a high App Store rating of 4.9.
Potential Drawbacks
- American Express has an F BBB rating and is not accredited.
- No physical branches available for American Express customers.
- Google Play rating for American Express is lower at 3.8.
Capital One
Strengths
- Capital One has a strong A+ BBB rating and is BBB accredited.
- Offers over 200 branches across multiple states for in-person banking.
- Capital One has a higher Google Play rating of 4.5.
Potential Drawbacks
- Capital One's 360 Performance Savings also offers a 3.60% APY, with no increase from 30 days ago.
- No maintenance fees or minimum balance requirements for Capital One accounts.
- App Store rating for Capital One is 4.9, same as American Express.
Summary: Both American Express and Capital One offer high-yield savings accounts with a 3.60% APY. However, Capital One stands out with an A+ BBB rating and over 200 branches, while American Express lacks physical locations and has an F BBB rating. Both banks have no maintenance fees and high App Store ratings, but Capital One's Google Play rating is notably higher at 4.5 compared to American Express's 3.8.
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 6/20/2025) | 3.60% (as of 6/20/2025) | |
| 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 5 Months)
| American Express | Capital One | ||
|---|---|---|---|
| Product | High Yield Savings Account | vs | 360 Performance Savings |
| Latest APY | 3.60 % | 3.60 % | |
| Trend | Sideways | Sideways | |
| Slope (bps/mo) | -4.4 | -4.0 | |
| Rate Changes / Mo | 0.40 | 0.40 | |
| Days Since Last Change | 44 | 74 | |
| High (-5 m) | 3.80 % | 3.80 % | |
| Low (-5 m) | 3.60 % | 3.60 % | |
| Draw-down from High | -5.3 % | -5.3 % | |
| Volatility (CV) | 0.019 | 0.018 |
APY Insights Glossary
- Latest APY
- Most recent advertised annual-percentage yield.
- Trend
- Direction over the last 5 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 (-5 m)
- Highest APY in the last 150 days.
- Low (-5 m)
- Lowest APY in the last 150 days.
- Draw-down from High
- How far today sits below the 5-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: 3.60%
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 DetailsAfter 1 year American Express would earn you the same as 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 | 3.60% | $0 |
| American Express vs Fitness Bank | 5.00% | $100 |
| American Express vs Marcus by Goldman Sachs | 3.65% | $0 |
| American Express vs SoFi Bank | 3.80% | $0 |
| American Express vs Synchrony Bank | 3.80% | $0 |
| American Express vs Varo Bank | 5.00% | $0 |
Compare Capital One's APY of 3.60% 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 | 3.60% | $0 |
| Capital One vs Fitness Bank | 5.00% | $100 |
| Capital One vs Marcus by Goldman Sachs | 3.65% | $0 |
| Capital One vs SoFi Bank | 3.80% | $0 |
| Capital One vs Synchrony Bank | 3.80% | $0 |
| Capital One vs Varo Bank | 5.00% | $0 |