American Express vs. Peak Bank

High-Yield Savings Account Comparison

By Aviel Fahl|Last Updated: October 21, 2025

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Summary of American Express vs. Peak Bank

Key Metrics at a Glance

FeatureAmerican ExpressPeak Bank
Top Savings APY

3.50%

High Yield Savings Account

4.20%

Envision High Yield Savings

Minimum to Open$0$100
Minimum Balance for Top APY$0

American Express

Strengths

  • American Express offers a competitive APY of 3.50% for its High Yield Savings Account.
  • 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 rating from the BBB, indicating trust issues.
  • No branches available for in-person banking with American Express.
  • American Express's Google Play rating is only 3.7.

Peak Bank

Strengths

  • Peak Bank offers a higher APY of 4.20% for its Envision High Yield Savings.
  • Peak Bank has an A+ BBB rating, reflecting strong trustworthiness.
  • Peak Bank's Google Play rating is significantly higher at 4.7.

Potential Drawbacks

  • Peak Bank's APY decreased from 4.35% in the last 30 days.
  • Minimum deposit requirement of $100 for Peak Bank's savings account.
  • No branches available for in-person banking with Peak Bank.
Summary: American Express provides a 3.50% APY with no fees, but has a poor BBB rating of F. In contrast, Peak Bank offers a higher APY of 4.20% and an A+ BBB rating, though its APY has decreased recently. Both banks are online-only with no branches, but Peak Bank requires a $100 minimum deposit, while American Express has no such requirement.

→ As of October 21, 2025 American Express offers an APY of 3.50% for its High Yield Savings Account, with a minimum balance of $0, compared to Peak Bank's 4.20% APY for its Envision High Yield Savings account, with a minimum balance of .

Peak Bank yields $70 more than American Express on a $10,000 balance after one year. American Express pays $350, while Peak Bank pays $420 - an APY advantage for Peak Bank.

Calculate Savings Growth for American Express vs Peak Bank

All calculations are based on APY.

American Express - High Yield Savings Account

Top APY: 3.50%

Total savings breakdown:

  • Interest earned: $2,114.1 (10.51%)
  • Total contributions: $13,000 (64.63%)
  • Initial deposit: $5,000 (24.86%)

Your total balance

$20,114.10

Effective APY: 3.50% (based on your deposit and contributions)

Total balance: $20,114.1

Earnings: $2,114.1

Bank Overview

Peak Bank - Envision High Yield Savings

Top APY: 4.20%

Total savings breakdown:

  • Interest earned: $2,564.3 (12.47%)
  • Total contributions: $13,000 (63.22%)
  • Initial deposit: $5,000 (24.31%)

Your total balance

$20,564.30

Effective APY: 4.20% (based on your deposit and contributions)

Total balance: $20,564.3

Earnings: $2,564.3

Bank Overview

With a $5,000 initial deposit and $13,000 in total contributions over 5 years, American Express's total earnings would be $450.2 lower than Peak Bank's total earnings.

The Banksparency Savings Calculator provides estimated savings growth based on user input and our latest data.

Compare American Express' vs Peak Bank's Savings Accounts

American ExpressPeak Bank
ProductHigh Yield Savings AccountvsEnvision High Yield Savings
APY
3.50% (as of 10/21/2025)4.20% (as of 10/21/2025)
Bundled Account
NoNo
FDIC-insured
YesYes
Online OnlyYesYes
Compound Frequency
DailyDaily
Minimum Deposit$0$100
Minimum Balance for APY$0N/A
Maintenance Fee$0$0
Direct Deposit Required
NoNo
App Store Rating4.9/54.8/5
Google Play Rating3.7/54.7/5
BBB RatingFA+

Comparative Historical APY Insights (Last 8 Months)

American ExpressPeak Bank
ProductHigh Yield Savings AccountvsEnvision High Yield Savings
Latest APY3.50 %4.20 %
TrendSidewaysSideways
Slope (bps/mo)-3.4-3.2
Rate Changes / Mo0.360.48
Days Since Last Change9020
High (-8 m)3.80 %4.54 %
Low (-8 m)3.50 %4.20 %
Draw-down from High-7.9 %-7.5 %
Volatility (CV)0.0240.022
APY Insights Glossary
Latest APY
Most recent advertised annual-percentage yield.
Trend
Direction over the last 8 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 (-8 m)
Highest APY in the last 249 days.
Low (-8 m)
Lowest APY in the last 249 days.
Draw-down from High
How far today sits below the 8-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 American Express' APY of 3.50% with other banks
Compare Peak Bank's APY of 4.20% with other banks