diff --git a/src/TechnicalAnalysis.Candles/Candle2Crows/Candle2Crows.cs b/src/TechnicalAnalysis.Candles/Candle2Crows/Candle2Crows.cs
index 535ac891..b3faba05 100644
--- a/src/TechnicalAnalysis.Candles/Candle2Crows/Candle2Crows.cs
+++ b/src/TechnicalAnalysis.Candles/Candle2Crows/Candle2Crows.cs
@@ -135,7 +135,7 @@ public override bool GetPatternRecognition(int i)
             // 3rd: black
             IsColorRed(i) &&
             // opening within 2nd rb
-            Open[i] < Open[i - 1] && Open[i] > Close[i - 1] &&
+            Open[i] < Open[i - 1] && Open[i] >= Close[i - 1] &&
             // closing within 1st rb
             Close[i] > Open[i - 2] && Close[i] < Close[i - 2];
 
diff --git a/src/TechnicalAnalysis.Candles/Candle3BlackCrows/Candle3BlackCrows.cs b/src/TechnicalAnalysis.Candles/Candle3BlackCrows/Candle3BlackCrows.cs
index deb9863e..a323a906 100644
--- a/src/TechnicalAnalysis.Candles/Candle3BlackCrows/Candle3BlackCrows.cs
+++ b/src/TechnicalAnalysis.Candles/Candle3BlackCrows/Candle3BlackCrows.cs
@@ -142,10 +142,10 @@ public override bool GetPatternRecognition(int i)
             GetLowerShadow(i) < GetCandleAverage(ShadowVeryShort, _shadowVeryShortPeriodTotal[0], i) &&
             // 2nd black opens within 1st black's rb
             Open[i - 1] < Open[i - 2] &&
-            Open[i - 1] > Close[i - 2] &&
+            Open[i - 1] >= Close[i - 2] &&
             // 3rd black opens within 2nd black's rb
             Open[i] < Open[i - 1] &&
-            Open[i] > Close[i - 1] &&
+            Open[i] >= Close[i - 1] &&
             // 1st black closes under prior candle's high
             High[i - 3] > Close[i - 2] &&
             // three declining
diff --git a/src/TechnicalAnalysis.Candles/Candle3Outside/Candle3Outside.cs b/src/TechnicalAnalysis.Candles/Candle3Outside/Candle3Outside.cs
index 86f43e74..a58bbd8a 100644
--- a/src/TechnicalAnalysis.Candles/Candle3Outside/Candle3Outside.cs
+++ b/src/TechnicalAnalysis.Candles/Candle3Outside/Candle3Outside.cs
@@ -106,7 +106,7 @@ public override bool GetPatternRecognition(int i)
                 IsColorGreen(i - 1) &&
                 IsColorRed(i - 2) &&
                 Close[i - 1] > Open[i - 2] &&
-                Open[i - 1] < Close[i - 2] &&
+                Open[i - 1] <= Close[i - 2] &&
                 // third candle higher
                 Close[i] > Close[i - 1]
             )
@@ -115,7 +115,7 @@ public override bool GetPatternRecognition(int i)
                 // black engulfs white
                 IsColorRed(i - 1) &&
                 IsColorGreen(i - 2) &&
-                Open[i - 1] > Close[i - 2] &&
+                Open[i - 1] >= Close[i - 2] &&
                 Close[i - 1] < Open[i - 2] &&
                 // third candle lower
                 Close[i] < Close[i - 1]
diff --git a/src/TechnicalAnalysis.Candles/Candle3StarsInSouth/Candle3StarsInSouth.cs b/src/TechnicalAnalysis.Candles/Candle3StarsInSouth/Candle3StarsInSouth.cs
index f6f3fe43..ac4c279f 100644
--- a/src/TechnicalAnalysis.Candles/Candle3StarsInSouth/Candle3StarsInSouth.cs
+++ b/src/TechnicalAnalysis.Candles/Candle3StarsInSouth/Candle3StarsInSouth.cs
@@ -183,7 +183,7 @@ public override bool GetPatternRecognition(int i)
             // 2nd: smaller candle
             GetRealBody(i - 1) < GetRealBody(i - 2) &&
             // that opens higher but within 1st range
-            Open[i - 1] > Close[i - 2] &&
+            Open[i - 1] >= Close[i - 2] &&
             Open[i - 1] <= High[i - 2] &&
             // and trades lower than 1st close
             Low[i - 1] < Close[i - 2] &&
diff --git a/src/TechnicalAnalysis.Candles/CandleEngulfing/CandleEngulfing.cs b/src/TechnicalAnalysis.Candles/CandleEngulfing/CandleEngulfing.cs
index a08559ab..734a6e3a 100644
--- a/src/TechnicalAnalysis.Candles/CandleEngulfing/CandleEngulfing.cs
+++ b/src/TechnicalAnalysis.Candles/CandleEngulfing/CandleEngulfing.cs
@@ -105,14 +105,14 @@ public override bool GetPatternRecognition(int i)
                 IsColorGreen(i) &&
                 IsColorRed(i - 1) &&
                 Close[i] > Open[i - 1] &&
-                Open[i] < Close[i - 1]
+                Open[i] <= Close[i - 1]
             )
             ||
             (
                 // black engulfs white
                 IsColorRed(i) &&
                 IsColorGreen(i - 1) &&
-                Open[i] > Close[i - 1] &&
+                Open[i] >= Close[i - 1] &&
                 Close[i] < Open[i - 1]
             );