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Swap

Utilizing a stableswap 2.0 model, Wombat users can: swap stablecoins at hyper-efficient exchange rates with minimal slippage.
The swap price is defined by the rate of change in cash of asset x per change in cash of asset y. Defined as:
exchange rate=∂Ax∂Ay=1+Arx21+Ary2exchange\ rate = \frac{\partial A_x}{\partial A_y} = \frac{1 + \frac{A}{r_x^2}}{1 + \frac{A}{r_y^2}}exchange rate=∂Ay​∂Ax​​=1+ry2​A​1+rx2​A​​
As you may have noticed, the exchange rate is independent of the number of token x and token y in the pool and depends solely on the coverage ratio.
Example
Assume AAA
 = 0.05, rxr_xrx​
 = 80% and ryr_yry​
 = 150%. We have
exchange rate=1+0.050.821+0.051.52≈1.055exchange\ rate = \frac{1 + \frac{0.05}{0.8^2}}{1 + \frac{0.05}{1.5^2}} \approx 1.055exchange rate=1+1.520.05​1+0.820.05​​≈1.055
If we reverse the direction, swap from token y to token x. We have
exchang rate=1+0.051.521+0.050.82≈0.95exchang\ rate = \frac{1 + \frac{0.05}{1.5^2}}{1 + \frac{0.05}{0.8^2}} \approx 0.95exchang rate=1+0.820.05​1+1.520.05​​≈0.95
Incentives for convergence of coverage ratio
Wombat incentivizes a swap if the coverage ratio of two tokens is converged and penalizes if it diverges, as shown in the above example. It helps keep the pool in a healthy state and prevents a token from being defaulted. Learn more in below guide:
Deposit Gain and Withdrawal Fee
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Swap Guide
Last modified 21d ago