How to tweak formula behaviour

Sigmoid coefficients Fee calculation can be tuned by the following parameters:

Adaptive fee function is a combination of several sigmoids. The plot of the standard sigmoid function looks like this:

We use a more flexible formula for sigmoids:

So additional params (alpha, gamma, beta) allow us to shift, stretch and modify sigmoids.

Default params:

So

max fee value is: baseFee + alpha1 + alpha2 min fee value is: baseFee

midpoint of the first sigmoid: beta1 midpoint of the second sigmoid: beta2

sigmoid “jump” “starts” around beta - 6 * gamma, ends around beta + 6 * gamma

alpha1, alpha2, beta1, beta2, gamma1, gamma2 – coefficients for volatility sigmoids. – coefficients for volume sigmoid

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