diff --git a/pkg/indicator/sma.go b/pkg/indicator/sma.go
index 1d3c0a7b6..ee87cb17c 100644
--- a/pkg/indicator/sma.go
+++ b/pkg/indicator/sma.go
@@ -24,6 +24,9 @@ type SMA struct {
 }
 
 func (inc *SMA) Last() float64 {
+	if len(inc.Values) == 0 {
+		return 0.0
+	}
 	return inc.Values[len(inc.Values)-1]
 }