# Yield.ly learn guides index

Research-backed DeFi yield guides with live dashboard data blocks.

| Title | Primary keyword | URL | Description |
|-------|-----------------|-----|-------------|
| Base APY vs Reward APY | base APY vs reward APY | https://yield.ly/learn/base-apy-vs-reward-apy | Base APY comes from a protocol's underlying activity. Reward APY comes from additional token incentives. Learn how to separate durable yield from temporary rewards. |
| Why Does DeFi APY Change? | why does DeFi APY change | https://yield.ly/learn/why-defi-apy-changes | DeFi APY changes with borrowing demand, deposits, trading activity, token incentives and market conditions. Learn why rates rise, fall and sometimes disappear. |
| How Much APY Is Too High? | how much APY is too high | https://yield.ly/learn/how-much-apy-is-too-high | There is no universal safe APY. Learn how yield composition, TVL, rate history, liquidity and protocol evidence reveal whether a high DeFi APY deserves scrutiny. |
| APY vs TVL | APY vs TVL | https://yield.ly/learn/apy-vs-tvl | APY estimates return. TVL measures capital in a protocol or opportunity. Learn why high APY with low TVL deserves scrutiny and why high TVL is not a safety guarantee. |
| Best USDC Yields on Base | best USDC yield on Base | https://yield.ly/learn/best-usdc-yield-base | Compare current USDC yields on Base by total APY, base yield, token rewards, TVL, historical stability and observed risk. Updated from verified market data. |

## Recommended reading order
1. Base APY vs Reward APY
2. Why DeFi APY Changes
3. How Much APY Is Too High
4. APY vs TVL
5. Best USDC Yields on Base

Cluster entry: https://yield.ly/learn/base-apy-vs-reward-apy