diff --git a/MarketData/MarketDataLib/DataAccess/PricingDA.cs b/MarketData/MarketDataLib/DataAccess/PricingDA.cs
index f574722..940804f 100755
--- a/MarketData/MarketDataLib/DataAccess/PricingDA.cs
+++ b/MarketData/MarketDataLib/DataAccess/PricingDA.cs
@@ -1499,6 +1499,7 @@ namespace MarketData.DataAccess
       try
       {
 				if(null==prices||0==prices.Count)return false;
+        prices = new Prices(prices.DistinctBy(x => new {x.Symbol, x.Date.Date}).ToList());   // ensure prices are distinct
         sqlConnection = SqlUtils.CreateMySqlConnection(MainDataSource.Instance.LocateDataSource("market_data"));
         sqlTransaction=sqlConnection.BeginTransaction(System.Data.IsolationLevel.ReadCommitted);
         DeletePrices(prices,sqlConnection,sqlTransaction);
diff --git a/Scripts/deploy_mks.sh b/Scripts/deploy_mks.sh
new file mode 100755
index 0000000..ff43fcf
--- /dev/null
+++ b/Scripts/deploy_mks.sh
@@ -0,0 +1,81 @@
+#!/bin/bash
+
+# to run : ./deploy_mks.sh
+# This will backup the current contents of /opt/MarketData/MarketDataServer to /opt/MarketData/MarketDataServer_Rollback
+# and deploy the mks binary to /opt/MarketData/MarketDataServer
+# 1) Stop the mks service
+# 2) Perform the backup
+# 3) Perform the deployment
+
+# set xtrace if you want to see trace level
+#set -o xtrace
+
+# use systemctl so we can bypass the pager
+sudo systemctl --no-pager stop mks
+sudo systemctl --no-pager status mks
+
+# Define source and destination directories
+SOURCE_DIR="/home/pi/ARM64/MarketDataServer/bin/Debug/net8.0"
+DEST_DIR="/opt/MarketData/MarketDataServer"
+ROLLBACK_DIR="/opt/MarketData/MarketDataServer_Rollback"
+
+# Here begins the actual deployment process
+
+# Check if source directory exists
+if [ ! -d "$SOURCE_DIR" ]; then
+  echo "Error: Source directory '$SOURCE_DIR' not found."
+# use systemctl so we can bypass the pager prompts
+  sudo systemctl --no-pager start mks
+  exit 1
+fi
+
+# Check if destination directory exists, create if not
+if [ ! -d "$DEST_DIR" ]; then
+  echo "Destination directory '$DEST_DIR' not found. Creating it..."
+  mkdir -p "$DEST_DIR"
+fi
+
+# Check if rollback directory exists, create if not
+if [ ! -d "$ROLLBACK_DIR" ]; then
+  echo "Rollback directory '$ROLLBACK_DIR' not found. Creating it..."
+  mkdir -p "$ROLLBACK_DIR"
+fi
+
+# Clean the rollback folder
+echo "Clean the rollback folder"
+rm -rf $ROLLBACK_DIR/*
+num_files=$(find "$ROLLBACK_DIR" -maxdepth 1 -type f | wc -l)
+echo "Number of files after clean '$ROLLBACK_DIR': $num_files"
+echo ""
+
+# Backup current release
+echo "Backup the current release"
+cp -rv "$DEST_DIR"/* "$ROLLBACK_DIR"/
+num_files=$(find "$ROLLBACK_DIR" -maxdepth 1 -type f | wc -l)
+echo "Number of files after copy to backup '$ROLLBACK_DIR': $num_files"
+echo ""
+
+# Remove files
+echo "Clean the deployment folder"
+find "$DEST_DIR" -mindepth 1 -path "$DEST_DIR/logs" -prune -o -exec rm -rf {} +
+num_files=$(find "$DEST_DIR" -maxdepth 1 -type f | wc -l)
+echo "Number of files after clean '$DEST_DIR': $num_files"
+echo ""
+
+# Copy all files from source to destination
+# The -v option provides verbose output (shows files being copied)
+# The -r option is for recursive copy, useful if source_folder contains subdirectories
+echo "Deploy the release candidate"
+cp -rv "$SOURCE_DIR"/* "$DEST_DIR"/
+num_files=$(find "$DEST_DIR" -maxdepth 1 -type f | wc -l)
+echo "Number of files after deployment '$DEST_DIR': $num_files"
+echo ""
+
+echo "Files copied from '$SOURCE_DIR' to '$DEST_DIR'."
+
+# use systemctl so we can bypass the pager prompts
+sudo systemctl --no-pager restart mks
+sudo systemctl --no-pager status mks
+
+echo "Done."
+