Does anyone why they state 0.046 and 0.035 for the strategy in the following?

LifeTime = 8;
if (NumOpenLong == 0 && vixPrice[0] > vixSMA * (1 + 0.046))
enterLong();

if (NumOpenLong > 0 && vixPrice[0] < vixSMA * (1 - 0.035))
exitLong();