diff --git a/src/a-d/Adl/Adl.Api.cs b/src/a-d/Adl/Adl.Api.cs
index 578643174..15a55c42e 100644
--- a/src/a-d/Adl/Adl.Api.cs
+++ b/src/a-d/Adl/Adl.Api.cs
@@ -12,4 +12,13 @@ public static IEnumerable<AdlResult> GetAdl<TQuote>(
         where TQuote : IQuote => quotes
             .ToQuoteD()
             .CalcAdl(smaPeriods);
+
+    // TASK, from TQuote
+    /// <include file='./info.xml' path='info/*' />
+    ///
+    public static Task<IEnumerable<AdlResult>> GetAdlAsync<TQuote>(
+        this IEnumerable<TQuote> quotes,
+        int? smaPeriods = null)
+        where TQuote : IQuote => Task.Run(() => quotes
+            .GetAdl(smaPeriods));
 }
diff --git a/tests/indicators/a-d/Adl/Adl.Tests.cs b/tests/indicators/a-d/Adl/Adl.Tests.cs
index a0a21f4b0..2540ab988 100644
--- a/tests/indicators/a-d/Adl/Adl.Tests.cs
+++ b/tests/indicators/a-d/Adl/Adl.Tests.cs
@@ -32,6 +32,31 @@ public void Standard()
         Assert.AreEqual(null, r2.AdlSma);
     }
 
+    [TestMethod]
+    public async Task Async()
+    {
+        List<AdlResult> ogList = quotes
+            .GetAdl()
+            .ToList();
+
+        IEnumerable<AdlResult> results = await quotes
+            .GetAdlAsync()
+            .ConfigureAwait(false);
+
+        List<AdlResult> rsList = results.ToList();
+
+        Assert.AreEqual(ogList.Count, rsList.Count);
+
+        for (int i = 0; i < rsList.Count; i++)
+        {
+            AdlResult o = ogList[i];
+            AdlResult r = rsList[i];
+
+            Assert.AreEqual(o.Date, r.Date);
+            Assert.AreEqual(o.Adl, r.Adl);
+        }
+    }
+
     [TestMethod]
     public void WithSma()
     {