Ally Bank vs Capital One
High-Yield Savings Accounts Comparison

Last Updated: July 15, 2025

Summary of Ally Bank vs. Capital One

As of 7/15/2025 both Ally Bank (Savings Account) and Capital One (360 Performance Savings) offer an APY of 3.50% .

Both banks yield $350 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.

Ally Bank

Strengths

  • Ally Bank has no branches, offering a fully online experience.
  • Ally Bank has a solid App Store rating of 4.7.
  • Ally Bank charges no maintenance fees.

Potential Drawbacks

  • Ally Bank's current APY is 3.50%, down from 3.60% last month.
  • Ally Bank does not have physical branches for in-person service.
  • Ally Bank's Google Play rating is lower at 4.4.

Capital One

Strengths

  • Capital One offers over 200 branches for in-person banking.
  • Capital One has a higher App Store rating of 4.9.
  • Capital One is BBB Accredited, enhancing its trustworthiness.

Potential Drawbacks

  • Capital One's current APY is 3.50%, down from 3.60% last month.
  • Capital One's Google Play rating is slightly lower at 4.5.
  • Capital One's online savings account is not exclusively online.
Summary: Both Ally Bank and Capital One offer high-yield savings accounts with a current APY of 3.50%, down from 3.60%. Ally Bank operates online-only, while Capital One provides over 200 branches for in-person service. Ally Bank has a higher App Store rating of 4.7 compared to Capital One's 4.9, but Capital One is BBB Accredited, which may appeal to some customers. Both banks charge no maintenance fees.

Compare Ally Bank's vs Capital One's Savings Accounts

Ally BankCapital One
ProductSavings Accountvs360 Performance Savings
APY
3.50% (as of 7/15/2025)3.50% (as of 7/15/2025)
Bundled Account
NoNo
FDIC-insured
YesYes
Online OnlyYesNo
Compound Frequency
DailyMonthly
Minimum Deposit$0$0
Minimum Balance for APY$0$0
Maintenance Fee$0$0
Direct Deposit Required
NoNo
Visit BankSavings Account360 Performance Savings
App Store Rating4.7/54.9/5
Google Play Rating4.4/54.5/5
BBB RatingA+A+

Comparative Historical APY Insights (Last 6 Months)

Ally BankCapital One
ProductSavings Accountvs360 Performance Savings
Latest APY3.50 %3.50 %
TrendSidewaysSideways
Slope (bps/mo)-4.9-4.2
Rate Changes / Mo0.530.53
Days Since Last Change2820
High (-6 m)3.80 %3.80 %
Low (-6 m)3.50 %3.50 %
Draw-down from High-7.9 %-7.9 %
Volatility (CV)0.0240.021
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 169 days.
Low (-6 m)
Lowest APY in the last 169 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 Ally Bank vs Capital One

All calculations are based on APY.

Ally Bank

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 Details

Capital 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 Details

After 1 year Ally Bank would earn you the same as Capital One.

More Comparisons

Compare Ally Bank's APY of 3.50% with other banks
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