Money Market Rates Today (March 2026): Best MMA Rates

Compare the best money market account rates and understand how MMAs fit into your savings strategy.

Current Money Market Rates

Rates as of March 2026. Updated weekly.

Top Money Market Rates

Bank Type APY Range Min Opening
Top online banks 4.75-5.00% $0-$100
Average online 4.25-4.75% $0-$500
Credit unions 4.00-4.75% Varies
Regional banks 2.00-4.00% $500-$2,500
Big national banks 0.01-0.50% $0-$2,500

Rates by Balance Tier

Many money markets offer tiered rates:

Balance Low Tier APY High Tier APY
$0-$999 4.00% 4.50%
$1,000-$9,999 4.25% 4.75%
$10,000-$49,999 4.50% 4.90%
$50,000-$99,999 4.60% 5.00%
$100,000+ 4.75% 5.05%

Money Market vs High-Yield Savings vs CDs

Feature Money Market HYSA CD
Top APY 4.75-5.00% 4.75-5.05% 4.50-5.00%
Liquidity High High Locked
Check writing Yes No No
Debit card Usually Rarely No
FDIC insured Yes Yes Yes
Min balance Often $500+ Usually $0 Varies
Best for Flexible savings Emergency fund Fixed timeline

Interest Earnings Calculator

At 4.75% APY

Balance Monthly Interest Annual Interest
$5,000 $20 $238
$10,000 $40 $475
$25,000 $99 $1,188
$50,000 $198 $2,375
$100,000 $396 $4,750

Comparison: 4.75% MMA vs 0.45% Big Bank

Balance MMA Interest Big Bank Difference
$10,000 $475 $45 +$430
$25,000 $1,188 $113 +$1,075
$50,000 $2,375 $225 +$2,150
$100,000 $4,750 $450 +$4,300

You lose thousands per year by keeping money at a big bank paying 0.45%

Money Market Features

Standard Features

Feature Typical Terms
FDIC/NCUA insurance Up to $250,000
Check writing 3-6 checks/month
Debit card Usually included
Online access Standard
Mobile deposit Usually available
Withdrawals Limited to 6/month*

*Federal limit on certain electronic/check withdrawals was lifted but some banks still limit

Premium Features (Select Accounts)

Feature Availability
ATM fee rebates Some accounts
No minimum balance Online banks
Tiered rates Common
Relationship bonuses Regional banks

Minimum Balance Requirements

Bank Type Typical Minimum Fee if Below
Online banks $0 None
Credit unions $0-$500 $5-$15/month
Regional banks $500-$2,500 $10-$25/month
National banks $2,500-$10,000 $12-$25/month

Money Market Rate History

Period Average Top Rate
March 2026 4.85%
December 2025 4.75%
June 2025 5.00%
December 2024 5.15%
June 2024 5.25%
December 2023 5.20%
June 2023 4.70%
December 2022 3.50%
December 2021 0.55%
December 2020 0.50%

When to Choose Money Market

Best Uses

Use Case Why MMA Works
Emergency fund Liquid + decent yield
Short-term savings High rate, accessible
Business funds Check-writing ability
Large cash reserves FDIC insured, competitive rate
Sinking funds Multiple goals, one account

When to Choose Alternatives

Situation Better Choice
Don’t need check access High-yield savings
Fixed timeline CD (may get better rate)
Very short term (<3 mo) HYSA or checking
Long-term savings Investments

Opening a Money Market Account

What You Need

  • Government-issued ID
  • Social Security number
  • Initial deposit (if required)
  • Bank account for funding (ACH transfer)

Tips for Best Experience

Tip Benefit
Compare rates weekly Rates change frequently
Check minimums Avoid monthly fees
Review rate tiers Know when you’ll get best rate
Look at full APY Not just promotional rate
Check ATM access Some have fee reimbursement

Taxes on Money Market Interest

Income Level Federal Tax
10% bracket 10% of interest
22% bracket 22% of interest
24% bracket 24% of interest
32%+ bracket 32%+ of interest

Example: $500 interest at 22% bracket = $110 tax = $390 after-tax earnings

Tax Forms

  • 1099-INT issued for $10+ in interest
  • Report all interest even if no form
  • Interest taxed as ordinary income

Money Market Safety

Protection Coverage
FDIC (banks) $250,000 per depositor
NCUA (credit unions) $250,000 per depositor
Joint accounts $500,000 combined
Multiple banks $250,000 each

Note: Money market accounts are FDIC insured. Money market funds (mutual funds) are NOT FDIC insured.

Related: Best Savings Accounts | CD Rates | HYSA vs CD vs Money Market

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