diff --git a/dabo/analyze.sh b/dabo/analyze.sh
index 194142d..d1acaeb 100755
--- a/dabo/analyze.sh
+++ b/dabo/analyze.sh
@@ -98,7 +98,7 @@ function analyze {
     f_market_performance=${f_market_performace_array[${f_time}]}
     [ -z "${f_market_performance}" ] && f_market_performance=${f_market_performance_before}
     f_market_performance_before=${f_market_performance}
-    g_num_valid_number "${f_market_performance}" || f_market_performance=0
+    g_num_valid_number "${f_market_performance}" 2>/dev/null || f_market_performance=0
     #echo "MARKET_PERF=$f_market_performance"
 
     #if [ -f "${g_tmp}/open-${tmpfile}" ]