diff --git a/benchmarks/test_benchmark_indicators.py b/benchmarks/test_benchmark_indicators.py
index 89a6a839..e637e446 100644
--- a/benchmarks/test_benchmark_indicators.py
+++ b/benchmarks/test_benchmark_indicators.py
@@ -95,6 +95,9 @@ def test_benchmark_ht_trendline(benchmark, quotes):
     
 def test_benchmark_hurst(benchmark, quotes):
     benchmark(indicators.get_hurst, quotes)
+    
+def test_benchmark_hurst_longlong(benchmark, longish_quotes):
+    benchmark(indicators.get_hurst, longish_quotes+longish_quotes)
 
 def test_benchmark_ichimoku(benchmark, quotes):
     benchmark(indicators.get_ichimoku, quotes)
diff --git a/stock_indicators/_cstypes/list.py b/stock_indicators/_cstypes/list.py
index b9be7e6a..c086e7a6 100644
--- a/stock_indicators/_cstypes/list.py
+++ b/stock_indicators/_cstypes/list.py
@@ -1,5 +1,8 @@
+from collections import deque
+
 from stock_indicators._cslib import CsList
 
+
 class List:
     """
     Class for converting Python's iterator type into C#'s `System.Collections.Generic.List` class.
@@ -29,8 +32,7 @@ class List:
     """
 
     def __new__(cls, generic, sequence) -> CsList:
-        clist = CsList[generic]()
-        for i in sequence:
-            clist.Add(i)
-
-        return clist
+        cs_list = CsList[generic]()
+        deque(map(cs_list.Add, sequence), maxlen=0)
+        
+        return cs_list