diff --git a/libs/utils/src/calculations/market-statistics.ts b/libs/utils/src/calculations/market-statistics.ts
index f513897..666fd7b 100644
--- a/libs/utils/src/calculations/market-statistics.ts
+++ b/libs/utils/src/calculations/market-statistics.ts
@@ -572,14 +572,14 @@ function calculateCorrelation(x: number[], y: number[]): number {
   return denominator > 0 ? numerator / denominator : 0;
 }
 
-function Variance(values: number[]): number {
+function calculateVariance(values: number[]): number {
   if (values.length < 2) return 0;
   
   const mean = values.reduce((sum, val) => sum + val, 0) / values.length;
   return values.reduce((sum, val) => sum + Math.pow(val - mean, 2), 0) / (values.length - 1);
 }
 
-function Covariance(x: number[], y: number[]): number {
+function calculateCovariance(x: number[], y: number[]): number {
   if (x.length !== y.length || x.length < 2) return 0;
   
   const n = x.length;