diff --git a/lib/fx.js b/lib/fx.js
index def928e..1cc182e 100644
--- a/lib/fx.js
+++ b/lib/fx.js
@@ -2,7 +2,7 @@ const http = require('http');
 const LimitedArray = require('limitedarray');
 const trend = require('trend');
 const logger = require('log4js').getLogger('fx');
-const delay = 2764800; // 32 days divided by 1000
+const delay = 5529600; // 32 days divided by 500
 let fxCache = {};
 const history = new LimitedArray(48); // one days worth in 5 minute chunks