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Pulsafi
Treasury yields as of November 9, 2026 via FRED · CD APYs reviewed September 2026

Best CD Rates in Colorado

Top APYs around 4.3% on short-term CDs available to Colorado residents. Account for Colorado's 4.4% interest tax to see your real after-tax yield.

CD Rate Ladder — Colorado

Top-tier online bank averages by term. Local bank rates in Colorado typically pay 1-2 percentage points less.

3 month
4.15%
APY
6 month
4.30%
APY
1 year
4.40%
APY
18 month
4.25%
APY
2 year
4.20%
APY
3 year
4.10%
APY
5 year
4.00%
APY

1-Year CD vs T-Bill: After-Tax Yield in Colorado

On a $25,000 balance, comparing what you actually keep at the 24% federal bracket and 4.4% Colorado rate.

1-Year CD (4.4% APY)
$787.60
after tax · 3.15% effective
fed: −$264.00 · state: −$48.40
1-Year T-Bill (4.38%)
$832.20
after tax · 3.33% effective
fed: −$262.80 · state: $0 (exempt)
Verdict for Colorado: T-bills beat CDs after taxes — the state-tax exemption is worth more than the CD's APY premium. Buy T-bills directly through TreasuryDirect or a brokerage.
Colorado snapshot

What Colorado does to your interest — and what a home here costs

Zillow Home Value Index for Colorado, August 2026, combined with the Freddie Mac 30-year rate of 7.18% (November 5, 2026), Colorado's 0.49% effective property tax rate, and a $2,200/yr average insurance premium.

Median home value
$532,748
-1.4% vs. a year ago · +44% vs. US
State tax on interest
up to 4.4%
Top marginal rate
4.20% HYSA, after tax
3.01%
24% federal + state
4.38% 1-yr Treasury, after tax
3.33%
State-tax exempt
20% down on a median home
$106,550
What a down-payment fund needs to reach
Largest Colorado metros (Zillow median · income needed at 20% down)
Denver, CO · $559,705 · needs $144,700Colorado Springs, CO · $448,492 · needs $117,500
Full payment breakdown on a $550,000 Colorado home →Compare all 50 states and 100 metros →

Should You Open a CD in Colorado?

CDs make sense in Colorado when: (1) you don't need the money before the maturity date, (2) you think interest rates will fall during your CD term (locking in protects you), (3) you want a guaranteed yield without market risk, and (4) you've already maxed out tax-advantaged accounts (401(k), Roth IRA, HSA).

CD ladder strategy

Instead of putting all your cash into one CD term, build a CD ladder: split your savings across 3-month, 6-month, 12-month, and 18-month CDs. Every 3 months, one CD matures — you can spend it or roll it into a new long-term CD. This balances liquidity with locked-in rates.

Early withdrawal penalties

Most CDs charge 3-12 months of interest as a penalty for early withdrawal. On a 5-year CD, that's typically 12 months of interest — substantial. Some banks offer "no-penalty" CDs at slightly lower APYs. For emergency fund money, stick with a HYSA (no penalty, fully liquid).

Where to find the best Colorado CD rates

Online banks (Marcus by Goldman Sachs, Ally, Capital One 360, Synchrony) consistently offer the highest CD APYs nationwide and are FDIC-insured up to $250,000 per depositor per bank. Colorado credit unions sometimes offer "specials" with promo APYs higher than online banks — check NCUA-insured options if you qualify for membership.

Brokered CDs vs bank CDs

Brokered CDs (sold through Fidelity, Schwab, Vanguard) often pay slightly higher rates than direct bank CDs because they cut through aggregator pricing. They're still FDIC-insured up to $250k per issuer, and you can hold them in your IRA. The downside: secondary-market trading is needed for early withdrawal, which can result in capital losses.

More for Colorado savers
Best HYSA in Colorado →Emergency Fund Calculator →Compound Interest Calculator →HYSA Article →