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Formula

Dynamic Fee

Step Function of Sigmoids
Major Formula
Where:
​
The sum of 3 components has similar effect as Triple Tier Fee model.
​
: adjust the max. cap for each absolute fee tier
​
: shift the fee tier adjustment threshold - the larger beta , the greater the volatility allowed for fee tier change
​
: adjust the slope of fee changes when it comes across 2 absolute fee tier
Note:
  • ​
    is capped by 1
  • Gammas must be > 0