The closer the smoothing constant, ALPHA, is to 0 the greater the reaction to the most recent demand the greater the dampening, or smoothing, effect the more accurate the forecast will be the less accurate the forecast will be
The closer the smoothing constant, ALPHA, is to 0 the greater the reaction to the most recent demand the greater the dampening, or smoothing, effect the more accurate the forecast will be the less accurate the forecast will be