diff --git a/pkg/entities/defi.go b/pkg/entities/defi.go
index 2813a670..842ee244 100644
--- a/pkg/entities/defi.go
+++ b/pkg/entities/defi.go
@@ -225,6 +225,21 @@ func (e *Entity) GetCoinData(coinID string, isDominanceChart bool) (*response.Ge
 	}
 	data.AssetPlatform = platform
 
+	// if no market cap data, get token supply to calculate it
+	// support solana only for now
+	if data.AssetPlatformID == "solana" && data.Platforms != nil {
+		currency := "usd"
+		if _, ok := data.Platforms[data.AssetPlatformID]; ok && data.MarketData.MarketCap[currency] == 0 {
+			supply, err := util.GetSplTokenSupply(data.Platforms[data.AssetPlatformID])
+			if err != nil {
+				e.log.Fields(logger.Fields{"id": data.AssetPlatformID}).Error(err, "[entity.GetCoinData] util.GetSplTokenSupply() failed")
+				return data, nil, http.StatusOK
+			}
+			price := data.MarketData.CurrentPrice[currency]
+			data.MarketData.MarketCap[currency] = price * supply
+		}
+	}
+
 	return data, nil, http.StatusOK
 }
 
diff --git a/pkg/response/defi.go b/pkg/response/defi.go
index c832ade2..78cac426 100644
--- a/pkg/response/defi.go
+++ b/pkg/response/defi.go
@@ -69,7 +69,7 @@ type GetCoinResponse struct {
 	Symbol                       string                            `json:"symbol"`
 	AssetPlatformID              string                            `json:"asset_platform_id"`
 	AssetPlatform                *AssetPlatformResponseData        `json:"asset_platform"`
-	Platforms                    interface{}                       `json:"platforms"`
+	Platforms                    map[string]string                 `json:"platforms"`
 	BlockTimeInMinutes           int64                             `json:"block_time_in_minutes"`
 	HashingAlgorithm             interface{}                       `json:"hashing_algorithm"`
 	Categories                   []string                          `json:"categories"`
diff --git a/pkg/util/solana.go b/pkg/util/solana.go
new file mode 100644
index 00000000..7711495c
--- /dev/null
+++ b/pkg/util/solana.go
@@ -0,0 +1,20 @@
+package util
+
+import (
+	"context"
+	"math"
+
+	"github.com/portto/solana-go-sdk/client"
+	"github.com/portto/solana-go-sdk/rpc"
+)
+
+func GetSplTokenSupply(addr string) (float64, error) {
+	c := client.NewClient(rpc.MainnetRPCEndpoint)
+	supply, dec, err := c.GetTokenSupply(context.Background(), addr)
+	if err != nil {
+		return 0, err
+	}
+
+	result := float64(supply) / math.Pow10(int(dec))
+	return result, nil
+}