diff --git a/pkg/strategy/grid2/strategy.go b/pkg/strategy/grid2/strategy.go
index cf38e4e7c..05d95ae53 100644
--- a/pkg/strategy/grid2/strategy.go
+++ b/pkg/strategy/grid2/strategy.go
@@ -567,6 +567,11 @@ func (s *Strategy) calculateQuoteInvestmentQuantity(quoteInvestment, lastPrice f
 				continue
 			}
 
+			// should never place a buy order at the upper price
+			if i == len(pins)-1 {
+				continue
+			}
+
 			totalQuotePrice = totalQuotePrice.Add(price)
 		}
 	}
@@ -645,6 +650,11 @@ func (s *Strategy) calculateQuoteBaseInvestmentQuantity(quoteInvestment, baseInv
 				continue
 			}
 
+			// should never place a buy order at the upper price
+			if i == len(pins)-1 {
+				continue
+			}
+
 			totalQuotePrice = totalQuotePrice.Add(price)
 		}
 	}