diff --git a/app/Console/Commands/RefreshDividendData.php b/app/Console/Commands/RefreshDividendData.php
index 652af38..fa97c9b 100644
--- a/app/Console/Commands/RefreshDividendData.php
+++ b/app/Console/Commands/RefreshDividendData.php
@@ -14,7 +14,8 @@ class RefreshDividendData extends Command
      * @var string
      */
     protected $signature = 'refresh:dividend-data
-                                {--force : Refresh all holdings}';
+                                {--force : Refresh all holdings}
+                                {--user= : Limit refresh to user\'s holdings}';
 
     /**
      * The console command description.
@@ -46,6 +47,10 @@ class RefreshDividendData extends Command
             $holdings->where('quantity', '>', 0);
         } 
 
+        if ($this->option('user')) {
+            $holdings->myHoldings($this->option('user'));
+        }
+
         foreach ($holdings->get(['symbol']) as $holding) {
             $this->line('Refreshing ' . $holding->symbol);
             
diff --git a/app/Console/Commands/RefreshMarketData.php b/app/Console/Commands/RefreshMarketData.php
index 8816b78..f36a090 100644
--- a/app/Console/Commands/RefreshMarketData.php
+++ b/app/Console/Commands/RefreshMarketData.php
@@ -14,7 +14,8 @@ class RefreshMarketData extends Command
      * @var string
      */
     protected $signature = 'refresh:market-data
-                            {--force : Ignore refresh delay}';
+                            {--force : Ignore refresh delay}
+                            {--user= : Limit refresh to user\'s holdings}';
 
     /**
      * The console command description.
@@ -45,10 +46,13 @@ class RefreshMarketData extends Command
         // get all symbols from market data
         $holdings = Holding::where('quantity', '>', 0)
                     ->select(['symbol'])
-                    ->distinct()
-                    ->get();
+                    ->distinct();
+                
+        if ($this->option('user')) {
+            $holdings->myHoldings($this->option('user'));
+        }
 
-        foreach ($holdings as $holding) {
+        foreach ($holdings->get() as $holding) {
             $this->line('Refreshing ' . $holding->symbol);
 
             MarketData::getMarketData($holding->symbol, $force);
diff --git a/app/Console/Commands/SyncHoldingData.php b/app/Console/Commands/SyncHoldingData.php
index dfd5f3d..fe82398 100644
--- a/app/Console/Commands/SyncHoldingData.php
+++ b/app/Console/Commands/SyncHoldingData.php
@@ -12,7 +12,8 @@ class SyncHoldingData extends Command
      *
      * @var string
      */
-    protected $signature = 'sync:holdings';
+    protected $signature = 'sync:holdings
+                            {--user= : Limit refresh to user\'s holdings}';
 
     /**
      * The console command description.
@@ -39,9 +40,13 @@ class SyncHoldingData extends Command
     public function handle()
     {
         // get all holdings
-        $holdings = Holding::get();
+        $holdings = Holding::query();
 
-        foreach ($holdings as $holding) {
+        if ($this->option('user')) {
+            $holdings->myHoldings($this->option('user'));
+        }
+
+        foreach ($holdings->get() as $holding) {
             $this->line('Refreshing ' . $holding->symbol);
 
             $holding->syncTransactionsAndDividends();
diff --git a/app/Models/Holding.php b/app/Models/Holding.php
index 2340c17..b2dc3ef 100644
--- a/app/Models/Holding.php
+++ b/app/Models/Holding.php
@@ -159,10 +159,10 @@ class Holding extends Model
             ->where('portfolios.wishlist', 0);
     }
 
-    public function scopeMyHoldings($query)
+    public function scopeMyHoldings($query, $userId = null)
     {
-        return $query->whereHas('portfolio', function($query) {
-            $query->whereRelation('users', 'id', auth()->user()->id);
+        return $query->whereHas('portfolio', function($query) use ($userId) {
+            $query->whereRelation('users', 'id', $userId ?? auth()->user()->id);
         });
     }