From 338e88fed71ee5441c1353a5d7806fe59549c9d5 Mon Sep 17 00:00:00 2001
From: mkzung <103102868+mkzung@users.noreply.github.com>
Date: Sun, 16 Aug 2026 21:39:05 +0500
Subject: [PATCH 1/2] Report the extra bar three candlestick patterns wait for

---
 Indicators/CandlestickPatterns/AbandonedBaby.cs   |  5 +++++
 Indicators/CandlestickPatterns/MatHold.cs         |  5 +++++
 .../CandlestickPatterns/RiseFallThreeMethods.cs   |  5 +++++
 .../CandlestickPatternTests.cs                    | 15 +++++++++++++++
 4 files changed, 30 insertions(+)

diff --git a/Indicators/CandlestickPatterns/AbandonedBaby.cs b/Indicators/CandlestickPatterns/AbandonedBaby.cs
index 0e0f95417dd0..c74aab3add03 100644
--- a/Indicators/CandlestickPatterns/AbandonedBaby.cs
+++ b/Indicators/CandlestickPatterns/AbandonedBaby.cs
@@ -90,6 +90,11 @@ public override bool IsReady
             get { return Samples > Period; }
         }
 
+        /// <summary>
+        /// Required period, in data points, for the indicator to be ready and fully initialized.
+        /// </summary>
+        public override int WarmUpPeriod => Period + 1;
+
         /// <summary>
         /// Computes the next value of this indicator from the given state
         /// </summary>
diff --git a/Indicators/CandlestickPatterns/MatHold.cs b/Indicators/CandlestickPatterns/MatHold.cs
index 51d72c3646b0..1f38702f0952 100644
--- a/Indicators/CandlestickPatterns/MatHold.cs
+++ b/Indicators/CandlestickPatterns/MatHold.cs
@@ -85,6 +85,11 @@ public override bool IsReady
             get { return Samples > Period; }
         }
 
+        /// <summary>
+        /// Required period, in data points, for the indicator to be ready and fully initialized.
+        /// </summary>
+        public override int WarmUpPeriod => Period + 1;
+
         /// <summary>
         /// Computes the next value of this indicator from the given state
         /// </summary>
diff --git a/Indicators/CandlestickPatterns/RiseFallThreeMethods.cs b/Indicators/CandlestickPatterns/RiseFallThreeMethods.cs
index 6327a7d5a5eb..ec3bb6b1c6be 100644
--- a/Indicators/CandlestickPatterns/RiseFallThreeMethods.cs
+++ b/Indicators/CandlestickPatterns/RiseFallThreeMethods.cs
@@ -67,6 +67,11 @@ public override bool IsReady
             get { return Samples > Period; }
         }
 
+        /// <summary>
+        /// Required period, in data points, for the indicator to be ready and fully initialized.
+        /// </summary>
+        public override int WarmUpPeriod => Period + 1;
+
         /// <summary>
         /// Computes the next value of this indicator from the given state
         /// </summary>
diff --git a/Tests/Indicators/CandlestickPatterns/CandlestickPatternTests.cs b/Tests/Indicators/CandlestickPatterns/CandlestickPatternTests.cs
index 557564d71118..f8823b279c70 100644
--- a/Tests/Indicators/CandlestickPatterns/CandlestickPatternTests.cs
+++ b/Tests/Indicators/CandlestickPatterns/CandlestickPatternTests.cs
@@ -153,6 +153,21 @@ public void ResetsProperly(CandlestickPattern indicator, string columnName, stri
             TestHelper.TestIndicatorReset(indicator, testFileName);
         }
 
+        [Test, TestCaseSource(nameof(PatternTestParameters))]
+        public void WarmsUpProperly(CandlestickPattern indicator, string columnName, string testFileName)
+        {
+            var period = indicator.WarmUpPeriod;
+            var startDate = new DateTime(2019, 1, 1);
+
+            for (var i = 0; i < period; i++)
+            {
+                indicator.Update(new TradeBar(startDate.AddDays(i), Symbols.SPY, 100m + i, 105m + i, 95m + i, 100m + i, 100m, Time.OneDay));
+                Assert.AreEqual(i == period - 1, indicator.IsReady);
+            }
+
+            Assert.AreEqual(period, indicator.Samples);
+        }
+
         private static Action<IndicatorBase<IBaseDataBar>, double> Assertion
         {
             get

From 7205d54164968855e47ff26c95049615b478738a Mon Sep 17 00:00:00 2001
From: mkzung <103102868+mkzung@users.noreply.github.com>
Date: Sun, 16 Aug 2026 23:56:13 +0500
Subject: [PATCH 2/2] Start WarmsUpProperly from a reset indicator

---
 .../Indicators/CandlestickPatterns/CandlestickPatternTests.cs  | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Tests/Indicators/CandlestickPatterns/CandlestickPatternTests.cs b/Tests/Indicators/CandlestickPatterns/CandlestickPatternTests.cs
index f8823b279c70..4671dc07ce70 100644
--- a/Tests/Indicators/CandlestickPatterns/CandlestickPatternTests.cs
+++ b/Tests/Indicators/CandlestickPatterns/CandlestickPatternTests.cs
@@ -156,6 +156,9 @@ public void ResetsProperly(CandlestickPattern indicator, string columnName, stri
         [Test, TestCaseSource(nameof(PatternTestParameters))]
         public void WarmsUpProperly(CandlestickPattern indicator, string columnName, string testFileName)
         {
+            // the sample count below only means anything from a known starting point
+            indicator.Reset();
+
             var period = indicator.WarmUpPeriod;
             var startDate = new DateTime(2019, 1, 1);