American Express vs. BMO Alto
Compare rates, requirements, and features side-by-side to find the best option for you.
| Metric | American ExpressHigh Yield Savings Account Jan 7, 2026 | BMO AltoSavings Account Jan 7, 2026 |
|---|---|---|
| APY | 3.30% | 3.25% |
Est. Earnings | $5,000+$165 $10,000+$330 $25,000+$825 | $5,000+$163 $10,000+$325 $25,000+$813 |
Min Deposit | $0 | $0 |
Snapshot view. Rates subject to change. | ||
| Features | FDIC InsuredNo MinimumsGreat iOS AppZelle® Supported | FDIC InsuredNo Minimums |
Market Reality Check
Both of these banks offer rates below the current top tier. The best rates we track are currently above 4.21% APY.
Comparison Analysis
Comparing American Express vs. BMO Alto
As of American Express offers an APY of 3.30% for its High Yield Savings Account, with a minimum balance of $0, compared to BMO Alto's 3.25% APY for its Savings Account, with a minimum balance of $0.
American Express pays $5 more than BMO Alto on a $10,000 balance after one year. American Express pays $330, while BMO Alto pays $325 - an APY advantage for American Express.
Why American Express?
- ✓Higher rated iOS app (4.9 vs 0.0)
- ✓Fast transfers via Zelle®
Why BMO Alto?
No distinct advantages found vs American Express.
Shared Benefits
Over a 1-year period, American Express's High Yield Savings Account pays $5 more interest on a $10,000 balance than BMO Alto's Savings Account.
*This calculation assumes current rates remain consistent for 1 year and does not include temporary bonuses.
Executive Summary as of
American Express offers a High Yield Savings Account with a competitive APY of 3.30%, making it the top choice compared to BMO Alto's Savings Account, which provides a slightly lower APY of 3.25%. Both accounts require no minimum deposit or balance and have no maintenance fees, with interest compounded daily. Additionally, both accounts are online-only, ensuring easy access for customers. Overall, American Express stands out with its marginally higher yield.
The analysis is based on current Banksparency database records
* This content is provided for informational purposes only; always verify details with the provider.
Non-sponsored link to official site
Non-sponsored link to official site
Top Market Contenders
American Express vs. BMO Alto Savings Calculator
You earn $5 more with American Express than BMO Alto on a $10,000 initial deposit for 1 year*.
*This calculation assumes that APYs remain unchanged for 1 year, and takes into account known promo rate periods, but does not factor in bonuses. You can see how often these banks have changed their rates in the Compare Savings Rates Over Time section below.
American Express
High Yield Savings Account
Savings Breakdown
- Interest Earned+$330.00(3.2%)
- Total Contributions$0
- Initial Deposit$10,000
Projected Balance
$10,330.00
BMO Alto
Savings Account
Savings Breakdown
- Interest Earned+$325.00(3.1%)
- Total Contributions$0
- Initial Deposit$10,000
Projected Balance
$10,325.00
The Banksparency Savings Calculator provides estimated savings growth based on user input and our latest data.
| Feature | American Express | BMO Alto |
|---|---|---|
| APY | 3.30% Verified: 1/7/2026 ↘︎ 0.20%90d Change | 3.25% Verified: 1/7/2026 Stable (90d) |
| Product Name | High Yield Savings Account | Savings Account |
| Minimum Deposit | $0 | $0 |
| Min. Balance for APY | $0 | $0 |
| Monthly Fee | $0 | $0 |
| Branch Access | None | None |
| Account Type | Online Only | Online Only |
| Direct Deposit Req. | None | None |
| Checking Bundle | No | No |
| Mobile Apps | iOS4.9 Android3.6 | iOS- Android- |
| Zelle® Support | Available Requires Amex Rewards Checking; not available for standalone HYSA. | Not Supported |
| BBB Rating | F | A+ |
| Next Steps | Visit SiteVerify at American Express Non-sponsored link to official site | Visit SiteVerify at BMO Alto Non-sponsored link to official site |
📈 Compare Savings Rates Over Time
Historical Performance
| Metric | American Express | BMO Alto |
|---|---|---|
| High Yield Savings Account | Savings Account | |
Current APY | 3.30% | 3.25% |
Trend | Stable | Stable |
Velocity (bps/mo) | -3.4 | -6.6 |
Days Since Change | 8 | 110 |
11-Month High | 3.80% | 4.10% |
11-Month Low | 3.30% | 3.25% |
Adjustments / Mo | 0.43 | 0.43 |
Volatility Score | 0.035 | 0.070 |
How to read these metrics(Click to expand)
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High Rates (With Checking Bundle)
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