Kraken vs American Express savings: crypto earn vs HYSA compared

The table below compares the American Express High Yield Savings Account with Kraken's stablecoin yield (Auto Earn) and Kraken's crypto staking products across rate, asset type, insurance, risk, liquidity, and tax treatment.

Kraken Auto Earn lets users generate yield on stablecoins including USDC, USDT, and USDG, as well as other crypto holdings by simply enabling the feature in their Kraken account. There is no minimum balance, no lock-up period, and assets remain available for trading or withdrawal at any time. For users who hold stablecoins or are comfortable converting USD to USDC, the ability to earn interest on USDC without committing to a fixed term is one of Kraken Earn's most accessible products.

Auto Earn rates are variable and displayed in real time on the platform. Unlike AMEX's rate, which tracks the Federal Reserve, Kraken's stablecoin yields reflect supply and demand dynamics in the crypto lending and DeFi market.

During periods of high borrowing demand, stablecoin yields can meaningfully exceed traditional savings rates. During quieter periods, they may fall below them. The best crypto interest rates page shows what is currently available across all of Kraken's Earn products.

The critical differences from a savings account: Kraken Auto Earn is not FDIC-insured. Stablecoins like USDC and USDT are designed to maintain a peg to the US dollar, but they are not dollars. They carry de-peg risk, smart contract risk, issuer risk, and platform risk.

Kraken mitigates platform risk through security practices, holding 95%+ of assets in cold storage, boasting a 14-year track record with no breaches resulting in customer fund losses, and publishing independently verifiable Proof of Reserves since 2014. But mitigation is not the same as a government-backed insurance guarantee.

American Express National Bank offers an online-only high-yield savings account with no monthly fees, no minimum balance requirement, and no minimum deposit to open. The account pays 3.20% APY as of April 13, 2026 — a rate that applies to all balance tiers regardless of how much you deposit. Interest compounds daily and is paid monthly.

The account is FDIC-insured up to $250,000 per depositor, per ownership category, through American Express National Bank (Member FDIC). There are no withdrawal restrictions — unlike some high-yield savings accounts that cap monthly withdrawals at six, AMEX places no limits on how often you can move money out. Transfers to and from linked external bank accounts typically take one to three business days.

AMEX's savings rate is variable and moves with Federal Reserve policy. It has trended downward from 4.25% in mid-2024 to 3.20% today. If the Fed cuts rates further, AMEX's APY will likely follow. The account does not require direct deposit, a subscription, or any other qualification to earn the advertised rate. This is a simpler structure than some competitors like SoFi, which ties its highest rate to direct deposit or subscription requirements.

For savers who prioritize capital preservation and simplicity, AMEX's HYSA is one of the most straightforward options available. Your principal is protected, the rate is competitive, and the brand has deep institutional trust. However, the rate is not particularly generous and could reduce further in the future.

This is not a question about which platform is "safer" in everyday use. Both AMEX and Kraken are well-established. The question is what happens in a worst-case scenario, and the answer is fundamentally different for both services.

If American Express National Bank were to fail, the FDIC would make depositors whole up to $250,000 per depositor, per ownership category. This is a federal guarantee backed by the full faith and credit of the United States government. It applies regardless of what happens to American Express as a company. Your principal is protected up to the limit.

If Kraken experienced a severe security event or insolvency, there is no equivalent government-backed insurance. Kraken's security practices include cold storage, Proof of Reserves, and multi-layered account protections. These are among the strongest in the crypto industry, but they are risk mitigation measures, not insurance. In a bankruptcy scenario, the treatment of customer funds would depend on the legal process. Understanding whether stablecoin yield is safe within the context of your overall financial plan is an important step before moving significant capital into any crypto earn product.

Stablecoins themselves carry additional risk beyond platform risk. USDC's brief de-peg during the SVB crisis in March 2023 demonstrated that even well-collateralized stablecoins can trade below $1.00 when market stress hits the banking system that underlies their reserves. USDT has faced ongoing regulatory scrutiny regarding the composition and transparency of its reserves.

Both AMEX savings interest and Kraken Earn rewards are taxed as ordinary income. The tax treatment is effectively identical despite the different underlying assets.

American Express pays interest on USD savings deposits and issues a 1099-INT at tax time. Kraken Auto Earn (stablecoin yield) and staking rewards are also taxable as ordinary income at the fair market value of the rewards when received — as per IRS Revenue Ruling 2023-14, staking rewards are gross income in the taxable year of receipt. The question of whether crypto rewards are taxable is settled: yes, at ordinary income rates, just like bank interest.

One additional consideration for Kraken users: if you later sell or exchange the crypto rewards you received, any gain or loss on that subsequent transaction may be subject to capital gains tax. AMEX interest, paid in dollars, does not create a second taxable event. This is a minor but real difference in tax complexity.

Kraken makes earning simple. Whether you're brand new to crypto or an experienced holder, get started in just a few clicks.

If you are comparing Kraken to other traditional financial institutions, see how Kraken compares to SoFi savings or Kraken vs Bank of America on yield and risk.