diff --git a/hmy/gasprice.go b/hmy/gasprice.go
index 8c2693663..05cf6b7cd 100644
--- a/hmy/gasprice.go
+++ b/hmy/gasprice.go
@@ -34,7 +34,7 @@ import (
 
 const sampleNumber = 3 // Number of transactions sampled in a block
 
-var DefaultMaxPrice = big.NewInt(1 * params.Ether)
+var DefaultMaxPrice = big.NewInt(5e11) // 500 gwei is the max suggested limit
 
 type GasPriceConfig struct {
 	Blocks     int
diff --git a/hmy/hmy.go b/hmy/hmy.go
index 2af8d2655..537873030 100644
--- a/hmy/hmy.go
+++ b/hmy/hmy.go
@@ -151,9 +151,9 @@ func New(
 
 	// Setup gas price oracle
 	gpoParams := GasPriceConfig{
-		Blocks:     20,
-		Percentile: 60,
-		Default:    big.NewInt(3e10),
+		Blocks:     20,               // take all eligible txs past 20 blocks and sort them
+		Percentile: 40,               // get the 40th percentile when sorted in an ascending manner
+		Default:    big.NewInt(3e10), // minimum of 30 gwei
 	}
 	gpo := NewOracle(backend, gpoParams)
 	backend.gpo = gpo