diff --git a/app/Models/Holding.php b/app/Models/Holding.php
index bd35f9a..b8c7d87 100644
--- a/app/Models/Holding.php
+++ b/app/Models/Holding.php
@@ -139,7 +139,7 @@ class Holding extends Model
      */
     public function chats()
     {
-        return $this->morphMany(AiChat::class, 'chatable');
+        return $this->morphMany(AiChat::class, 'chatable')->where('user_id', auth()->user()->id);
     }
 
     public function scopeWithMarketData($query)
diff --git a/app/Models/Portfolio.php b/app/Models/Portfolio.php
index 6e7f167..0660745 100644
--- a/app/Models/Portfolio.php
+++ b/app/Models/Portfolio.php
@@ -72,7 +72,7 @@ class Portfolio extends Model
      */
     public function chats()
     {
-        return $this->morphMany(AiChat::class, 'chatable');
+        return $this->morphMany(AiChat::class, 'chatable')->where('user_id', auth()->user()->id);
     }
 
     public function scopeMyPortfolios()