Ally Bank vs Capital One
High-Yield Savings Accounts Comparison

Last Updated: June 20, 2025

Summary of Ally Bank vs. Capital One

As of June 20, 2025 Ally Bank offers an APY of 3.50% for its Savings Account account, compared to Capital One's 3.60% APY for its 360 Performance Savings account.

Capital One yields $10 more than Ally Bank on a $10,000 balance after one year. Ally Bank pays $350, while Capital One pays $360 - an APY advantage for Capital One.

Ally Bank

Strengths

  • Ally Bank offers a competitive APY of 3.50%, down from 3.60% last month.
  • Ally Bank has no minimum deposit or balance requirements.
  • Ally Bank has an App Store rating of 4.7.

Potential Drawbacks

  • Ally Bank has no physical branches, being online-only.
  • Ally Bank's Google Play rating is lower at 4.4.

Capital One

Strengths

  • Capital One provides a stable APY of 3.60%, unchanged from last month.
  • Capital One has over 200 branches in multiple states.
  • Capital One has a higher App Store rating of 4.9.

Potential Drawbacks

  • Capital One's 360 Performance Savings account also has no direct deposit requirement.
  • Capital One's Google Play rating is slightly lower at 4.5.
Summary: Ally Bank offers a slightly lower APY of 3.50% compared to Capital One's 3.60%, but both banks have no minimum deposit or balance requirements. Ally Bank operates online-only, while Capital One has over 200 branches, providing more physical access. Both banks maintain high BBB ratings of A+, with Capital One being BBB Accredited. Ally Bank has a lower App Store rating than Capital One, which has a rating of 4.9.

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

Ally BankCapital One
ProductSavings Accountvs360 Performance Savings
APY
3.50% (as of 6/20/2025)3.60% (as of 6/20/2025)
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 5 Months)

Ally BankCapital One
ProductSavings Accountvs360 Performance Savings
Latest APY3.50 %3.60 %
TrendSidewaysSideways
Slope (bps/mo)-4.7-3.8
Rate Changes / Mo0.630.42
Days Since Last Change374
High (-5 m)3.80 %3.80 %
Low (-5 m)3.50 %3.60 %
Draw-down from High-7.9 %-5.3 %
Volatility (CV)0.0200.017
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 144 days.
Low (-5 m)
Lowest APY in the last 144 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 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: 3.60%

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 Details

After 1 year Ally Bank would earn you $1 less than Capital One.

More Comparisons

Compare Ally Bank's APY of 3.50% with other banks
Compare Capital One's APY of 3.60% with other banks