Finance Education • Yield Basics
What Is APY?
APY is the one number that lets you compare a savings account, a staking reward, and a bond honestly. Here is what Annual Percentage Yield actually measures, how it differs from APR, and what the figures advertised in 2026 really mean.
1. Nominal APY vs. Real Post-Inflation Yield
A common pitfall in yield farming and staking is prioritizing high nominal APY percentages without factoring in baseline network token inflation. For instance, if a network offers 14% nominal staking rewards but dilutes circulating supply by 10% annually, your real purchasing power expansion is only ~3.6%.
2. Liquid Staking Derivatives (LSTs) & Capital Efficiency
Liquid staking protocols (such as Lido stETH, Rocket Pool rETH, and JitoSOL) allow institutional participants to maintain yield generation while retaining liquidity for DeFi lending and liquidity provision. However, LSTs introduce smart contract and depeg risk that must be modeled into portfolio variance.
What Is APY?
APY (Annual Percentage Yield) is the real yearly return on an investment or savings account, including the effect of compounding. It is the number that lets you compare a 4% monthly-compounding account against a 4.1% annual one honestly.
APY vs APR
- APY includes compounding — what you actually earn. Used for savings, staking, and investments.
- APR ignores compounding — what you pay on loans and credit cards.
The formula: APY = (1 + r/n)^n − 1, where r is the nominal rate and n is compounding periods per year.
APY in crypto staking
Crypto exchanges advertise staking APYs from 2% (ETH) to 10%+ (smaller coins) — but quoted APYs shift with network conditions and token prices. A 12% APY means nothing if the token drops 50%. Model realistic scenarios with our crypto staking calculator.
What is a good APY in 2026?
High-yield savings: ~4–5%. Investment-grade bonds: ~4–6%. Stock market historical: ~7–10%. Anything far above these bands carries proportionally higher risk.
APY — Frequently Asked Questions
What does APY stand for?
Annual Percentage Yield — the effective yearly return including compounding. It is the standard way to compare savings accounts, staking rewards, and investments.
What is the difference between APY and APR?
APY includes compounding (what you earn); APR does not (what you pay on debt). The same nominal rate always gives a higher APY than APR when compounding is more frequent than yearly.
How is APY calculated?
APY = (1 + r/n)^n − 1, where r is the nominal annual rate and n is the number of compounding periods per year.
Is a higher APY always better?
No. Extremely high APYs (20%+) usually signal high risk — inflationary tokenomics, impermanent loss, or outright unsustainability. Compare risk-adjusted, not headline, yields.
Can staking APY change?
Yes — most crypto staking APYs are variable, moving with validator counts, network activity, and token price. Treat advertised APYs as snapshots.