Ally Bank vs. Marcus By Goldman Sachs
High-Yield Savings Account Comparison
Last Updated: October 14, 2025
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Summary of Ally Bank vs. Marcus by Goldman Sachs
Key Metrics at a Glance
| Feature | Ally Bank | Marcus by Goldman Sachs |
|---|---|---|
| Top Savings APY | 3.40% Savings Account | 3.65% Marcus Online Savings Account |
| Minimum to Open | $0 | $0 |
| Minimum Balance for APY | $0 | $0 |
Ally Bank
Strengths
- Ally Bank has a competitive APY of 3.40%, though it decreased from 3.50% in the last 30 days.
- Ally Bank has no minimum deposit or balance requirements for its savings account.
- Ally Bank offers a solid App Store rating of 4.7.
Potential Drawbacks
- Ally Bank's current APY is lower than Marcus by Goldman Sachs' 3.65%.
- Ally Bank has a lower Google Play rating of 4.3 compared to Marcus.
Marcus by Goldman Sachs
Strengths
- Marcus by Goldman Sachs offers a higher APY of 3.65%, unchanged in the last 30 days.
- Marcus has a slightly higher App Store rating of 4.8.
Potential Drawbacks
- Marcus by Goldman Sachs has a lower Google Play rating of 4.1 compared to Ally Bank.
- Marcus does not have a lower APY option, unlike Ally Bank.
→ As of October 14, 2025 Ally Bank offers an APY of 3.40% for its Savings Account, with a minimum balance of $0, compared to Marcus by Goldman Sachs's 3.65% APY for its Marcus Online Savings Account, with a minimum balance of $0.
→ Marcus by Goldman Sachs yields $25 more than Ally Bank on a $10,000 balance after one year. Ally Bank pays $340, while Marcus by Goldman Sachs pays $365 - an APY advantage for Marcus by Goldman Sachs.
Calculate Savings Growth for Ally Bank vs Marcus by Goldman Sachs
Ally Bank
Total savings breakdown:
- Interest earned: $2,050.5 (10.23%)
- Total contributions: $13,000 (64.84%)
- Initial deposit: $5,000 (24.94%)
Your total balance
$20,050.50
Total balance: $20,050.5
Earnings: $2,050.5
Bank OverviewMarcus by Goldman Sachs
Total savings breakdown:
- Interest earned: $2,209.7 (10.93%)
- Total contributions: $13,000 (64.33%)
- Initial deposit: $5,000 (24.74%)
Your total balance
$20,209.70
Total balance: $20,209.7
Earnings: $2,209.7
Bank OverviewWith a $5,000 initial deposit and $13,000 in total contributions over 5 years, Ally Bank's total earnings would be $159.2 lower than Marcus by Goldman Sachs's total earnings.
The Banksparency Savings Calculator provides estimated savings growth based on user input and our latest data.
Compare Ally Bank's vs Marcus by Goldman Sachs' Savings Accounts
| Ally Bank | Marcus by Goldman Sachs | ||
|---|---|---|---|
| Product | Savings Account | vs | Marcus Online Savings Account |
| APY | 3.40% (as of 10/14/2025) | 3.65% (as of 10/14/2025) | |
| Bundled Account | No | No | |
| FDIC-insured | Yes | Yes | |
| Online Only | Yes | Yes | |
| Compound Frequency | Daily | Daily | |
| Minimum Deposit | $0 | $0 | |
| Minimum Balance for APY | $0 | $0 | |
| Maintenance Fee | $0 | $0 | |
| Direct Deposit Required | No | No | |
| App Store Rating | 4.7/5 | 4.8/5 | |
| Google Play Rating | 4.3/5 | 4.1/5 | |
| BBB Rating | A+ | A+ |
Comparative Historical APY Insights (Last 9 Months)
| Ally Bank | Marcus by Goldman Sachs | ||
|---|---|---|---|
| Product | Savings Account | vs | Marcus Online Savings Account |
| Latest APY | 3.40 % | 3.65 % | |
| Trend | Sideways | Sideways | |
| Slope (bps/mo) | -3.8 | -3.5 | |
| Rate Changes / Mo | 0.46 | 0.23 | |
| Days Since Last Change | 19 | 140 | |
| High (-9 m) | 3.80 % | 3.90 % | |
| Low (-9 m) | 3.40 % | 3.65 % | |
| Draw-down from High | -10.5 % | -6.4 % | |
| Volatility (CV) | 0.029 | 0.027 |
APY Insights Glossary
- Latest APY
- Most recent advertised annual-percentage yield.
- Trend
- Direction over the last 9 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 (-9 m)
- Highest APY in the last 260 days.
- Low (-9 m)
- Lowest APY in the last 260 days.
- Draw-down from High
- How far today sits below the 9-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.
More Comparisons
Compare Ally Bank's APY of 3.40% with other banks
| Bank Pair | Competitor APY | Min Deposit |
|---|---|---|
| Ally Bank vs American Express | 3.50% | $0 |
| Ally Bank vs Axos Bank | 4.51% | $0 |
| Ally Bank vs Bank of America | 0.01% | $100 |
| Ally Bank vs Barclays | 4.10% | $0 |
| Ally Bank vs BrioDirect | 4.20% | $5,000 |
| Ally Bank vs Capital One | 3.40% | $0 |
| Ally Bank vs Chase Bank | 0.01% | $0 |
| Ally Bank vs Chime | 3.75% | $0 |
| Ally Bank vs CIT Bank | 3.85% | $100 |
| Ally Bank vs Discover Bank | 3.40% | $0 |
| Ally Bank vs Elevault | 4.34% | $0 |
| Ally Bank vs EverBank | 4.05% | $0 |
| Ally Bank vs Fitness Bank | 4.75% | $100 |
| Ally Bank vs FVCbank | 4.10% | $500 |
| Ally Bank vs GO2bank | 4.50% | $0 |
| Ally Bank vs Neighbors Bank | 4.50% | $0 |
| Ally Bank vs Newtek Bank | 4.35% | $0 |
| Ally Bank vs Peak Bank | 4.20% | $100 |
| Ally Bank vs Pibank | 4.60% | $0 |
| Ally Bank vs Presidential Bank | 4.50% | $5,000 |
| Ally Bank vs Santander Bank | 0.01% | $25 |
| Ally Bank vs SoFi Bank | 4.50% | $0 |
| Ally Bank vs Synchrony Bank | 3.80% | $0 |
| Ally Bank vs TIMBR | 4.40% | $1,000 |
| Ally Bank vs UFB Direct | 3.96% | $5000 |
| Ally Bank vs Varo Bank | 5.00% | $0 |
| Ally Bank vs Wells Fargo | 0.05% | $25 |
| Ally Bank vs Zynlo Bank | 4.20% | $10 |