diff --git a/go/121-Best-Time-To-Buy-And-Sell-Stock.go b/go/121-Best-Time-To-Buy-And-Sell-Stock.go
new file mode 100644
index 000000000..45c110191
--- /dev/null
+++ b/go/121-Best-Time-To-Buy-And-Sell-Stock.go
@@ -0,0 +1,16 @@
+func maxProfit(prices []int) int {
+	min := math.MaxUint32
+	res := 0
+
+	for _, price := range prices {
+		if price > min {
+			if price-min > res {
+				res = price - min
+			}
+		} else {
+			min = price
+		}
+	}
+
+	return res
+}
\ No newline at end of file