diff --git a/pkg/indicator/rsi.go b/pkg/indicator/rsi.go
index 33e50d5e1..8cc8dd3a2 100644
--- a/pkg/indicator/rsi.go
+++ b/pkg/indicator/rsi.go
@@ -37,8 +37,8 @@ func (inc *RSI) Update(kline types.KLine, priceF KLinePriceMapper) {
 	if len(inc.Prices) == inc.Window+1 {
 		priceDifferences := inc.Prices.Diff()
 
-		avgGain = priceDifferences.PositiveValuesOrZero().AbsoluteValues().Sum() / float64(inc.Window)
-		avgLoss = priceDifferences.NegativeValuesOrZero().AbsoluteValues().Sum() / float64(inc.Window)
+		avgGain = priceDifferences.PositiveValuesOrZero().Abs().Sum() / float64(inc.Window)
+		avgLoss = priceDifferences.NegativeValuesOrZero().Abs().Sum() / float64(inc.Window)
 	} else {
 		difference := price - inc.Prices[len(inc.Prices)-2]
 		currentGain := math.Max(difference, 0)
diff --git a/pkg/types/float_slice.go b/pkg/types/float_slice.go
index 9974adb62..fd1312d69 100644
--- a/pkg/types/float_slice.go
+++ b/pkg/types/float_slice.go
@@ -76,7 +76,7 @@ func (s Float64Slice) NegativeValuesOrZero() (values Float64Slice) {
 	return values
 }
 
-func (s Float64Slice) AbsoluteValues() (values Float64Slice) {
+func (s Float64Slice) Abs() (values Float64Slice) {
 	for _, v := range s {
 		values.Push(math.Abs(v))
 	}
@@ -113,6 +113,6 @@ func (s Float64Slice) Dot(other Float64Slice) float64 {
 	return floats.Dot(s, other)
 }
 
-func (s Float64Slice) Normalize() (values Float64Slice) {
+func (s Float64Slice) Normalize() Float64Slice {
 	return s.DivScalar(s.Sum())
 }