diff --git a/lib/apis/coingecko.js b/lib/apis/coingecko.js
index 9cb01f4..22539ea 100644
--- a/lib/apis/coingecko.js
+++ b/lib/apis/coingecko.js
@@ -29,6 +29,19 @@ function get_simple_price(id, currency, market_array, api_key, cb) {
           let last_price = 0;
           let last_usd_price = 0;
           let counter = 0;
+          let api_market = null;
+
+          // check if the currency variable is set
+          if (currency != null && currency != '') {
+            // find the market currency in the market_array
+            const base_index = market_array.findIndex(p => p.currency.toLowerCase() == currency.toLowerCase());
+
+            // check if the currency is found in the market_array
+            if (base_index > -1) {
+              // find the api market data row
+              api_market = body[market_array[base_index].coingecko_id.toLowerCase()];
+            }
+          }
 
           // loop through all api object keys
           Object.keys(body).forEach(function(key, index, map) {
@@ -36,9 +49,24 @@ function get_simple_price(id, currency, market_array, api_key, cb) {
 
             // check if the currency is found in the market_array
             if (market_index > -1) {
-              // calculate the market and usd prices
-              last_price += (market_array[market_index].last_price * (currency == null || currency == '' ? 0 : body[key][currency.toLowerCase()]));
+              // determine if the api already returend the market price
+              if (currency != null && currency != '' && body[key][currency.toLowerCase()] != null) {
+                // calculate the market price
+                last_price += (market_array[market_index].last_price * (currency == null || currency == '' ? 0 : body[key][currency.toLowerCase()]));
+              } else {
+                // check if the market currency exists in the api data
+                if (api_market != null) {
+                  // calculate the currency ratio
+                  const ratio = (api_market['usd'] / body[key]['usd']);
+
+                  // calculate the market price
+                  last_price += (market_array[market_index].last_price / ratio);
+                }
+              }
+
+              // calculate the usd price
               last_usd_price += (market_array[market_index].last_price * body[key]['usd']);
+
               counter++;
             }
           });