diff --git a/src/value_estimation_team/indicators/linear_regression.rs b/src/value_estimation_team/indicators/linear_regression.rs
index 8c2e223..2009589 100644
--- a/src/value_estimation_team/indicators/linear_regression.rs
+++ b/src/value_estimation_team/indicators/linear_regression.rs
@@ -45,8 +45,9 @@ pub async fn linear_regression(
         if let Some(vec) = input_rt_data.get(symbol) {
             let lr_data_wrapper_arc_c = Arc::clone(&lr_data_wrapper_arc);
             let symbol_c = symbol.clone();
-            let rt_price_data = vec.clone();
-            if rt_price_data.len() >= length {
+            
+            if vec.len() >= length {
+                let rt_price_data = vec.clone();
                 task_vec.push(tokio::spawn(async move {
                     // Calculate prediction of linear regression
                     let mut lr_data_vec: Vec<LrData> = Vec::new();