APY
Annual Percentage Yield (APY)
The Annual Percentage Yield (APY) dynamically adjusts to reflect the current utilization of our lending services. The APY on Mage Finance comprises several key components:
Supply APY
This represents the base interest rate earned on supplied assets and varies with the value of the supplied assets.
Borrow APY
This is the basic interest rate applied to borrowed assets, which increases with the size of the borrowed asset and can sometimes be negative, indicating a situation where interest is paid by borrowers.
Net APY
The Net APY is calculated as follows:
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It can be negative if Borrow(Base) APY doesn't cover the entire yield.
Example: A user deposits 10 ETH and borrows 15,000 USDC.
Given:
ETH price: $2500
ETH Supply APY: 4%
USDC Borrow APR: 6%
Calculations:
Supply balance: 10 ETH * $2500 = $25,000
Borrow balance: 15,000 USDC = $15,000
Net worth: $25,000 - $15,000 = $10,000
Now, let's apply the formula:
Net APY = (Supply balance * Supply APY - Borrow balance * Borrow APR) / (Net worth) = ($25,000 * 0.04 - $15,000 * 0.06) / $10,000 = ($1,000 - $900) / $10,000 = $100 / $10,000 = 0.01 = 1%
Therefore, the Net APY for this user is 1%.
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