diff --git a/.idea/deploymentTargetSelector.xml b/.idea/deploymentTargetSelector.xml
index f90baf0..4446416 100644
--- a/.idea/deploymentTargetSelector.xml
+++ b/.idea/deploymentTargetSelector.xml
@@ -4,10 +4,10 @@
     <selectionStates>
       <SelectionState runConfigName="app">
         <option name="selectionMode" value="DROPDOWN" />
-        <DropdownSelection timestamp="2026-04-23T16:33:30.001147200Z">
+        <DropdownSelection timestamp="2026-05-12T14:44:48.637593Z">
           <Target type="DEFAULT_BOOT">
             <handle>
-              <DeviceId pluginId="LocalEmulator" identifier="path=C:\Users\Rodrigo\.android\avd\Medium_Phone.avd" />
+              <DeviceId pluginId="PhysicalDevice" identifier="serial=RZCX40Q6DDY" />
             </handle>
           </Target>
         </DropdownSelection>
diff --git a/app/src/main/java/com/example/lifegrid/adapters/AtivosAdapter.java b/app/src/main/java/com/example/lifegrid/adapters/AtivosAdapter.java
index 60b042f..0119aa3 100644
--- a/app/src/main/java/com/example/lifegrid/adapters/AtivosAdapter.java
+++ b/app/src/main/java/com/example/lifegrid/adapters/AtivosAdapter.java
@@ -93,7 +93,6 @@ public class AtivosAdapter extends RecyclerView.Adapter<AtivosAdapter.AtivosView
 
         holder.btnRefresh.setOnClickListener(v -> {
             if (listener != null) listener.onRefreshClick(position, key, ativo);
-            Toast.makeText(context, "Ativo atualizado (Exemplo)", Toast.LENGTH_SHORT).show();
         });
     }
 
diff --git a/app/src/main/java/com/example/lifegrid/menu/AtivosFragment.java b/app/src/main/java/com/example/lifegrid/menu/AtivosFragment.java
index 7a28e06..347bcb5 100644
--- a/app/src/main/java/com/example/lifegrid/menu/AtivosFragment.java
+++ b/app/src/main/java/com/example/lifegrid/menu/AtivosFragment.java
@@ -5,6 +5,8 @@ import android.app.DatePickerDialog;
 import android.graphics.Color;
 import android.graphics.drawable.ColorDrawable;
 import android.os.Bundle;
+import android.os.Handler;
+import android.os.Looper;
 
 import androidx.fragment.app.Fragment;
 
@@ -20,6 +22,15 @@ import android.widget.Toast;
 
 import java.util.Calendar;
 import java.util.Locale;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.BufferedReader;
+import org.json.JSONObject;
+import org.json.JSONArray;
 
 import com.example.lifegrid.R;
 import com.example.lifegrid.adapters.AtivosAdapter;
@@ -87,7 +98,7 @@ public class AtivosFragment extends Fragment {
 
             @Override
             public void onRefreshClick(int position, String key, Ativos ativo) {
-                // A implementar no futuro
+                refreshAtivoPrice(ativo, key);
             }
         });
         ativosRecyclerView.setAdapter(ativosAdapter);
@@ -153,6 +164,59 @@ public class AtivosFragment extends Fragment {
         });
     }
 
+    private void refreshAtivoPrice(Ativos ativo, String key) {
+        if (ativo.getTicker() == null || ativo.getTicker().isEmpty()) {
+            Toast.makeText(requireContext(), "Este ativo não tem um Ticker definido.", Toast.LENGTH_SHORT).show();
+            return;
+        }
+
+        Toast.makeText(requireContext(), "A atualizar " + ativo.getTicker() + "...", Toast.LENGTH_SHORT).show();
+
+        ExecutorService executor = Executors.newSingleThreadExecutor();
+        Handler handler = new Handler(Looper.getMainLooper());
+
+        executor.execute(() -> {
+            try {
+                String ticker = ativo.getTicker().toUpperCase(Locale.ROOT);
+                URL url = new URL("https://query1.finance.yahoo.com/v8/finance/chart/" + ticker);
+                HttpURLConnection conn = (HttpURLConnection) url.openConnection();
+                conn.setRequestMethod("GET");
+                conn.setRequestProperty("User-Agent", "Mozilla/5.0");
+                conn.setConnectTimeout(5000);
+                conn.setReadTimeout(5000);
+
+                if (conn.getResponseCode() == HttpURLConnection.HTTP_OK) {
+                    InputStream in = conn.getInputStream();
+                    BufferedReader reader = new BufferedReader(new InputStreamReader(in));
+                    StringBuilder result = new StringBuilder();
+                    String line;
+                    while ((line = reader.readLine()) != null) {
+                        result.append(line);
+                    }
+                    reader.close();
+
+                    JSONObject jsonResponse = new JSONObject(result.toString());
+                    JSONObject chart = jsonResponse.getJSONObject("chart");
+                    JSONArray resultArr = chart.getJSONArray("result");
+                    JSONObject resultObj = resultArr.getJSONObject(0);
+                    JSONObject meta = resultObj.getJSONObject("meta");
+                    double regularMarketPrice = meta.getDouble("regularMarketPrice");
+
+                    handler.post(() -> {
+                        String userId = FirebaseAuth.getInstance().getCurrentUser().getUid();
+                        databaseReference.child("users").child(userId).child("ativos").child(key).child("precoAtual").setValue(regularMarketPrice);
+                        Toast.makeText(requireContext(), "Preço atualizado: " + regularMarketPrice + "€", Toast.LENGTH_SHORT).show();
+                    });
+                } else {
+                    handler.post(() -> Toast.makeText(requireContext(), "Erro ao contactar a API.", Toast.LENGTH_SHORT).show());
+                }
+            } catch (Exception e) {
+                e.printStackTrace();
+                handler.post(() -> Toast.makeText(requireContext(), "Ativo não encontrado ou erro de rede.", Toast.LENGTH_SHORT).show());
+            }
+        });
+    }
+
     private void showNovoAtivoDialog() {
         AlertDialog.Builder builder = new AlertDialog.Builder(requireContext());
         View dialogView = getLayoutInflater().inflate(R.layout.dialog_novo_ativo, null);
@@ -183,23 +247,48 @@ public class AtivosFragment extends Fragment {
 
         Button btnAdicionarAtivoDialog = dialogView.findViewById(R.id.btnAdicionarAtivoDialog);
         EditText etNomeAtivo = dialogView.findViewById(R.id.etNomeAtivo);
+        EditText etTickerAtivo = dialogView.findViewById(R.id.etTickerAtivo);
+        TextView tvTickerLabel = dialogView.findViewById(R.id.tvTickerLabel);
         Spinner spinnerTipoAtivo = dialogView.findViewById(R.id.spinnerTipoAtivo);
         EditText etQuantidade = dialogView.findViewById(R.id.etQuantidade);
         EditText etPrecoCompra = dialogView.findViewById(R.id.etPrecoCompra);
 
+        spinnerTipoAtivo.setOnItemSelectedListener(new android.widget.AdapterView.OnItemSelectedListener() {
+            @Override
+            public void onItemSelected(android.widget.AdapterView<?> parent, View view, int position, long id) {
+                String selectedType = parent.getItemAtPosition(position).toString();
+                if ("Criptomoedas".equals(selectedType)) {
+                    tvTickerLabel.setVisibility(View.VISIBLE);
+                    etTickerAtivo.setVisibility(View.VISIBLE);
+                } else {
+                    tvTickerLabel.setVisibility(View.GONE);
+                    etTickerAtivo.setVisibility(View.GONE);
+                    etTickerAtivo.setText("");
+                }
+            }
+
+            @Override
+            public void onNothingSelected(android.widget.AdapterView<?> parent) {
+            }
+        });
+
         btnAdicionarAtivoDialog.setOnClickListener(v -> {
             String nome = etNomeAtivo.getText().toString().trim();
+            String ticker = etTickerAtivo.getText().toString().trim();
             String tipo = spinnerTipoAtivo.getSelectedItem().toString();
             String quantidade = etQuantidade.getText().toString().trim();
             String precoCompra = etPrecoCompra.getText().toString().trim();
             String dataCompra = etDataCompra.getText().toString().trim();
 
-            Ativos ativos = new Ativos(nome, quantidade, Double.parseDouble(precoCompra), Double.parseDouble(precoCompra), dataCompra, tipo);
-
+            boolean isCriptomoeda = "Criptomoedas".equals(tipo);
 
             if (nome.isEmpty() || quantidade.isEmpty() || precoCompra.isEmpty() || dataCompra.isEmpty() || spinnerTipoAtivo.getSelectedItemPosition() == 0) {
                 Toast.makeText(requireContext(), "Por favor, preencha os campos obrigatórios.", Toast.LENGTH_SHORT).show();
+            } else if (isCriptomoeda && ticker.isEmpty()) {
+                Toast.makeText(requireContext(), "Por favor, preencha o Símbolo da Criptomoeda.", Toast.LENGTH_SHORT).show();
             } else {
+                Ativos ativos = new Ativos(nome, quantidade, Double.parseDouble(precoCompra), Double.parseDouble(precoCompra), dataCompra, tipo, ticker);
+
                 // Aqui seria a lógica para guardar na Firebase
                 DatabaseReference databaseReference = FirebaseDatabase.getInstance().getReference();
                 String userId = FirebaseAuth.getInstance().getCurrentUser().getUid();
diff --git a/app/src/main/java/com/example/lifegrid/models/Ativos.java b/app/src/main/java/com/example/lifegrid/models/Ativos.java
index 7b0c7a1..82a6af1 100644
--- a/app/src/main/java/com/example/lifegrid/models/Ativos.java
+++ b/app/src/main/java/com/example/lifegrid/models/Ativos.java
@@ -7,18 +7,20 @@ public class Ativos {
     private double precoAtual;
     private String dataCompra;
     private String tipo;
+    private String ticker;
 
 
     public Ativos() {
     }
 
-    public Ativos(String nome, String quantidade, double precoCompra, double precoAtual, String dataCompra, String tipo) {
+    public Ativos(String nome, String quantidade, double precoCompra, double precoAtual, String dataCompra, String tipo, String ticker) {
         this.nome = nome;
         this.quantidade = quantidade;
         this.precoCompra = precoCompra;
         this.precoAtual = precoAtual;
         this.dataCompra = dataCompra;
         this.tipo = tipo;
+        this.ticker = ticker;
     }
 
     public String getNome() {
@@ -68,4 +70,12 @@ public class Ativos {
     public void setTipo(String tipo) {
         this.tipo = tipo;
     }
+
+    public String getTicker() {
+        return ticker;
+    }
+
+    public void setTicker(String ticker) {
+        this.ticker = ticker;
+    }
 }
diff --git a/app/src/main/res/layout/dialog_novo_ativo.xml b/app/src/main/res/layout/dialog_novo_ativo.xml
index ba7850c..4f0cb96 100644
--- a/app/src/main/res/layout/dialog_novo_ativo.xml
+++ b/app/src/main/res/layout/dialog_novo_ativo.xml
@@ -51,6 +51,28 @@
         android:paddingHorizontal="16dp"
         android:textColor="@color/preto" />
 
+    <TextView
+        android:id="@+id/tvTickerLabel"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="8dp"
+        android:text="Símbolo / Ticker (Ex: BTC-USD)"
+        android:textColor="@color/preto"
+        android:textStyle="bold"
+        android:visibility="gone" />
+
+    <EditText
+        android:id="@+id/etTickerAtivo"
+        android:layout_width="match_parent"
+        android:layout_height="50dp"
+        android:layout_marginBottom="16dp"
+        android:background="@drawable/rounded_input_bg"
+        android:hint="BTC-USD, ETH-USD"
+        android:inputType="textCapCharacters"
+        android:paddingHorizontal="16dp"
+        android:textColor="@color/preto"
+        android:visibility="gone" />
+
     <TextView
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
@@ -92,7 +114,7 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginBottom="8dp"
-        android:text="Preço de Compra (€)"
+        android:text="Valor Investido (€)"
         android:textColor="@color/preto"
         android:textStyle="bold" />
 
diff --git a/app/src/main/res/layout/fragment_ativos.xml b/app/src/main/res/layout/fragment_ativos.xml
index 704b097..9fa3b09 100644
--- a/app/src/main/res/layout/fragment_ativos.xml
+++ b/app/src/main/res/layout/fragment_ativos.xml
@@ -85,8 +85,8 @@
             android:id="@+id/textView14"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_marginStart="36dp"
-            android:layout_marginTop="36dp"
+            android:layout_marginStart="24dp"
+            android:layout_marginTop="32dp"
             android:fontFamily="sans-serif"
             android:text="Valor Total do Portfólio"
             android:textColor="#4A5568"
@@ -98,8 +98,8 @@
             android:id="@+id/textView17"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_marginStart="36dp"
-            android:layout_marginBottom="36dp"
+            android:layout_marginStart="24dp"
+            android:layout_marginBottom="40dp"
             android:fontFamily="sans-serif-medium"
             android:text="0.00€"
             android:textColor="#1A202C"
diff --git a/app/src/main/res/layout/fragment_metas.xml b/app/src/main/res/layout/fragment_metas.xml
index 15b2ffb..68afe81 100644
--- a/app/src/main/res/layout/fragment_metas.xml
+++ b/app/src/main/res/layout/fragment_metas.xml
@@ -12,11 +12,8 @@
 
         <androidx.constraintlayout.widget.ConstraintLayout
             android:id="@+id/adicionarCardView"
-            android:layout_width="336dp"
+            android:layout_width="367dp"
             android:layout_height="match_parent"
-            android:layout_marginTop="16dp"
-            android:layout_marginLeft="10dp"
-            android:layout_marginRight="10dp"
             android:background="@drawable/cardview_background"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintHorizontal_bias="0.493"