diff --git a/pygrocy/data_models/product.py b/pygrocy/data_models/product.py
index 661155c..aaf1e10 100644
--- a/pygrocy/data_models/product.py
+++ b/pygrocy/data_models/product.py
@@ -70,6 +70,10 @@ def _init_empty(self):
         self._is_partly_in_stock = None
 
         self._available_amount = None
+        self._amount_aggregated = None
+        self._amount_opened = None
+        self._amount_opened_aggregated = None
+        self._is_aggregated_amount = None
         self._best_before_date = None
 
         self._default_quantity_unit_purchase = None
@@ -81,6 +85,10 @@ def _init_empty(self):
     def _init_from_CurrentStockResponse(self, response: CurrentStockResponse):
         self._id = response.product_id
         self._available_amount = response.amount
+        self._amount_aggregated = response.amount_aggregated
+        self._amount_opened = response.amount_opened
+        self._amount_opened_aggregated = response.amount_opened_aggregated
+        self._is_aggregated_amount = response.is_aggregated_amount
         self._best_before_date = response.best_before_date
 
         if response.product:
@@ -136,6 +144,22 @@ def product_group_id(self) -> int:
     def available_amount(self) -> float:
         return self._available_amount
 
+    @property
+    def amount_aggregated(self) -> float:
+        return self._amount_aggregated
+
+    @property
+    def amount_opened(self) -> float:
+        return self._amount_opened
+
+    @property
+    def amount_opened_aggregated(self) -> float:
+        return self._amount_opened_aggregated
+
+    @property
+    def is_aggregated_amount(self) -> bool:
+        return self._is_aggregated_amount
+
     @property
     def best_before_date(self) -> datetime.date:
         return self._best_before_date
diff --git a/pygrocy/grocy_api_client.py b/pygrocy/grocy_api_client.py
index 5f7376b..1c99577 100644
--- a/pygrocy/grocy_api_client.py
+++ b/pygrocy/grocy_api_client.py
@@ -140,6 +140,9 @@ class CurrentStockResponse(BaseModel):
     amount: float
     best_before_date: date
     amount_opened: float
+    amount_aggregated: float
+    amount_opened_aggregated: float
+    is_aggregated_amount: bool
     product: ProductData