diff --git a/PROXMOX_DEPLOYMENT.md b/PROXMOX_DEPLOYMENT.md
index de308c8..1e27d82 100644
--- a/PROXMOX_DEPLOYMENT.md
+++ b/PROXMOX_DEPLOYMENT.md
@@ -171,7 +171,7 @@ RATE_LIMIT_WINDOW=15
 RATE_LIMIT_MAX=100
 
 # Python Service (if using)
-PYTHON_SERVICE_URL=http://localhost:8000
+PYTHON_SERVICE_URL=http://localhost:8010
 ```
 
 ### 4.3 Python Service Setup
@@ -333,7 +333,7 @@ Type=simple
 User=root
 WorkingDirectory=/opt/institutional_trader/backend/python_service
 Environment="PATH=/opt/institutional_trader/backend/python_service/venv/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
-ExecStart=/opt/institutional_trader/backend/python_service/venv/bin/uvicorn main:app --host 0.0.0.0 --port 8000
+ExecStart=/opt/institutional_trader/backend/python_service/venv/bin/uvicorn main:app --host 0.0.0.0 --port 8010
 Restart=always
 RestartSec=10
 StandardOutput=journal
@@ -732,7 +732,7 @@ sudo journalctl -u institutional-trader-python -n 50
 # Test manually
 cd /opt/institutional_trader/backend/python_service
 source venv/bin/activate
-uvicorn main:app --host 0.0.0.0 --port 8000
+uvicorn main:app --host 0.0.0.0 --port 8010
 ```
 
 ### Nginx Errors
diff --git a/backend/HYBRID_SETUP.md b/backend/HYBRID_SETUP.md
index b5a7cd9..5904132 100644
--- a/backend/HYBRID_SETUP.md
+++ b/backend/HYBRID_SETUP.md
@@ -61,13 +61,13 @@ cp .env.example .env
 ```bash
 # Development mode (with auto-reload)
 cd backend/python_service
-uvicorn main:app --reload --port 8000
+uvicorn main:app --reload --port 8010
 
 # Or use the Python script
 python main.py
 ```
 
-The service will be available at `http://localhost:8000`
+The service will be available at `http://localhost:8010`
 
 ### 3. Node.js Backend Setup
 
@@ -78,7 +78,7 @@ npm install
 
 # Configure environment
 # Add to your .env file:
-PYTHON_SERVICE_URL=http://localhost:8000
+PYTHON_SERVICE_URL=http://localhost:8010
 USE_PYTHON_SERVICE=true  # Set to 'false' to disable Python service
 ```
 
@@ -110,7 +110,7 @@ LOCAL_DB_NAME=institutional_trader
 **Node.js Backend (.env in `backend/`):**
 ```env
 # Python Service Configuration
-PYTHON_SERVICE_URL=http://localhost:8000
+PYTHON_SERVICE_URL=http://localhost:8010
 USE_PYTHON_SERVICE=true  # Enable/disable Python service
 
 # Existing database configuration...
@@ -154,10 +154,10 @@ If Python service is unavailable or disabled:
 
 ```bash
 # Health check
-curl http://localhost:8000/health
+curl http://localhost:8010/health
 
 # Get options flow
-curl "http://localhost:8000/api/options-flow?start_date=2024-01-01&end_date=2024-01-02"
+curl "http://localhost:8010/api/options-flow?start_date=2024-01-01&end_date=2024-01-02"
 ```
 
 ### Test Node.js Integration
@@ -186,12 +186,12 @@ curl "http://localhost:3010/api/options/flow?startDate=2024-01-01&endDate=2024-0
 
 1. Check database credentials in `.env`
 2. Verify PostgreSQL is running
-3. Check port 8000 is not in use
+3. Check port 8010 is not in use
 4. Review Python service logs
 
 ### Node.js Can't Connect to Python Service
 
-1. Verify Python service is running: `curl http://localhost:8000/health`
+1. Verify Python service is running: `curl http://localhost:8010/health`
 2. Check `PYTHON_SERVICE_URL` in Node.js `.env`
 3. Check firewall/network settings
 4. Node.js will automatically fallback to SQL if Python unavailable
diff --git a/backend/INTEGRATION_COMPLETE.md b/backend/INTEGRATION_COMPLETE.md
index 8af9fb6..0b8cace 100644
--- a/backend/INTEGRATION_COMPLETE.md
+++ b/backend/INTEGRATION_COMPLETE.md
@@ -18,7 +18,7 @@ The hybrid Node.js + Python architecture is now fully integrated and ready for p
        │ HTTP
        │ (with fallback)
 ┌──────▼──────────┐
-│  Python Service │  ← FastAPI service (port 8000)
+│  Python Service │  ← FastAPI service (port 8010)
 │  (FastAPI)      │     - Data processing
 │                 │     - Complex analytics
 └──────┬──────────┘
@@ -61,7 +61,7 @@ The hybrid Node.js + Python architecture is now fully integrated and ready for p
 ```bash
 cd backend/python_service
 pip install -r requirements.txt
-uvicorn main:app --reload --port 8000
+uvicorn main:app --reload --port 8010
 ```
 
 ### 2. Start Node.js Backend
@@ -89,7 +89,7 @@ curl "http://localhost:3010/api/options/flow?startDate=2024-01-01&endDate=2024-0
 **Node.js (.env in `backend/`):**
 ```env
 # Python Service Configuration
-PYTHON_SERVICE_URL=http://localhost:8000
+PYTHON_SERVICE_URL=http://localhost:8010
 USE_PYTHON_SERVICE=true  # Set to 'false' to disable
 
 # Database (existing)
@@ -178,7 +178,7 @@ Periodic health checks log status:
 1. **Test with Python service:**
    ```bash
    # Start Python service
-   cd backend/python_service && uvicorn main:app --port 8000
+   cd backend/python_service && uvicorn main:app --port 8010
    
    # Test endpoint
    curl "http://localhost:3010/api/options/flow"
@@ -232,7 +232,7 @@ WORKDIR /app
 COPY requirements.txt .
 RUN pip install -r requirements.txt
 COPY . .
-CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8010"]
 ```
 
 ```dockerfile
@@ -249,7 +249,7 @@ CMD ["npm", "start"]
 
 ### Python Service Not Starting
 1. Check database credentials
-2. Verify port 8000 is available
+2. Verify port 8010 is available
 3. Check Python dependencies
 4. Review service logs
 
diff --git a/backend/QUICK_START.md b/backend/QUICK_START.md
index 7c11afd..5c0c4e2 100644
--- a/backend/QUICK_START.md
+++ b/backend/QUICK_START.md
@@ -47,7 +47,7 @@ LOCAL_DB_NAME=institutional_trader
 ### Node.js Backend
 Add to `backend/.env`:
 ```env
-PYTHON_SERVICE_URL=http://localhost:8000
+PYTHON_SERVICE_URL=http://localhost:8010
 USE_PYTHON_SERVICE=true
 
 # Your existing database config...
@@ -59,12 +59,12 @@ USE_PYTHON_SERVICE=true
 ```bash
 cd backend/python_service
 source venv/bin/activate  # or venv\Scripts\activate on Windows
-uvicorn main:app --reload --port 8000
+uvicorn main:app --reload --port 8010
 ```
 
 You should see:
 ```
-INFO:     Uvicorn running on http://0.0.0.0:8000
+INFO:     Uvicorn running on http://0.0.0.0:8010
 INFO:     Application startup complete.
 ```
 
@@ -126,13 +126,13 @@ Check Node.js logs - you should see:
 ### Python Service Won't Start
 - Check database credentials in `.env`
 - Verify PostgreSQL is running
-- Check port 8000 is available
+- Check port 8010 is available
 - Review Python service logs
 
 ### Node.js Can't Connect
 - Verify `PYTHON_SERVICE_URL` in `.env`
 - Check Python service is running
-- Test: `curl http://localhost:8000/health`
+- Test: `curl http://localhost:8010/health`
 
 ### No Data Returned
 - Check database has data
diff --git a/backend/TROUBLESHOOTING_SQL.md b/backend/TROUBLESHOOTING_SQL.md
index 8421e7c..97f25e0 100644
--- a/backend/TROUBLESHOOTING_SQL.md
+++ b/backend/TROUBLESHOOTING_SQL.md
@@ -29,7 +29,7 @@
 - Log the fallback for monitoring
 
 **To fix:**
-1. Start Python service: `cd backend/python_service && uvicorn main:app --port 8000`
+1. Start Python service: `cd backend/python_service && uvicorn main:app --port 8010`
 2. Check `PYTHON_SERVICE_URL` in `.env` matches the service URL
 3. Verify network connectivity
 
diff --git a/backend/python_service/README.md b/backend/python_service/README.md
index 74112ca..5445783 100644
--- a/backend/python_service/README.md
+++ b/backend/python_service/README.md
@@ -27,7 +27,7 @@ cp .env.example .env
 ```bash
 python main.py
 # Or with uvicorn:
-uvicorn main:app --reload --port 8000
+uvicorn main:app --reload --port 8010
 ```
 
 ## API Endpoints
@@ -46,7 +46,7 @@ Get processed options flow data
 
 **Example:**
 ```bash
-curl http://localhost:8000/api/options-flow?start_date=2024-01-01&end_date=2024-01-02
+curl http://localhost:8010/api/options-flow?start_date=2024-01-01&end_date=2024-01-02
 ```
 
 ### GET /api/options-flow/stats
@@ -60,7 +60,7 @@ Get flow statistics
 The Node.js API layer can call this service via HTTP:
 
 ```javascript
-const response = await fetch('http://localhost:8000/api/options-flow?start_date=2024-01-01');
+const response = await fetch('http://localhost:8010/api/options-flow?start_date=2024-01-01');
 const data = await response.json();
 ```
 
diff --git a/backend/python_service/START_SERVICE.md b/backend/python_service/START_SERVICE.md
index 7574f60..132a206 100644
--- a/backend/python_service/START_SERVICE.md
+++ b/backend/python_service/START_SERVICE.md
@@ -4,7 +4,7 @@
 
 ```bash
 cd backend/python_service
-uvicorn main:app --reload --port 8000
+uvicorn main:app --reload --port 8010
 ```
 
 ## Using Virtual Environment (Recommended)
@@ -26,20 +26,20 @@ source venv/bin/activate
 pip install -r requirements.txt
 
 # Start service
-uvicorn main:app --reload --port 8000
+uvicorn main:app --reload --port 8010
 ```
 
 ## Verify Service is Running
 
 Once started, you should see:
 ```
-INFO:     Uvicorn running on http://127.0.0.1:8000
+INFO:     Uvicorn running on http://127.0.0.1:8010
 INFO:     Application startup complete.
 ```
 
 Test the health endpoint:
 ```bash
-curl http://localhost:8000/health
+curl http://localhost:8010/health
 ```
 
 Expected response:
diff --git a/backend/python_service/TESTING.md b/backend/python_service/TESTING.md
index 6bb2722..dbd576a 100644
--- a/backend/python_service/TESTING.md
+++ b/backend/python_service/TESTING.md
@@ -28,10 +28,10 @@ Start the service and test the endpoint:
 ```bash
 # Terminal 1: Start Python service
 cd backend/python_service
-uvicorn main:app --reload --port 8000
+uvicorn main:app --reload --port 8010
 
 # Terminal 2: Test endpoint
-curl "http://localhost:8000/api/options-flow?start_date=2024-01-01&end_date=2024-01-02"
+curl "http://localhost:8010/api/options-flow?start_date=2024-01-01&end_date=2024-01-02"
 ```
 
 ### 3. Integration Test with Node.js
@@ -41,7 +41,7 @@ Test the full stack:
 ```bash
 # Terminal 1: Start Python service
 cd backend/python_service
-uvicorn main:app --reload --port 8000
+uvicorn main:app --reload --port 8010
 
 # Terminal 2: Start Node.js backend
 cd backend
diff --git a/backend/python_service/main.py b/backend/python_service/main.py
index ee08f16..6688860 100644
--- a/backend/python_service/main.py
+++ b/backend/python_service/main.py
@@ -306,5 +306,5 @@ async def get_flow_stats(
 
 if __name__ == "__main__":
     import uvicorn
-    uvicorn.run(app, host="0.0.0.0", port=8000)
+    uvicorn.run(app, host="0.0.0.0", port=8010)
 
diff --git a/backend/python_service/start.bat b/backend/python_service/start.bat
index e9832dd..c22411d 100644
--- a/backend/python_service/start.bat
+++ b/backend/python_service/start.bat
@@ -7,5 +7,5 @@ if exist venv\Scripts\activate.bat (
 )
 
 REM Start the service
-uvicorn main:app --host 0.0.0.0 --port 8000 --reload
+uvicorn main:app --host 0.0.0.0 --port 8010 --reload
 
diff --git a/backend/python_service/start.sh b/backend/python_service/start.sh
index 40423f1..4d990dc 100644
--- a/backend/python_service/start.sh
+++ b/backend/python_service/start.sh
@@ -7,5 +7,5 @@ if [ -d "venv" ]; then
 fi
 
 # Start the service
-uvicorn main:app --host 0.0.0.0 --port 8000 --reload
+uvicorn main:app --host 0.0.0.0 --port 8010 --reload
 
diff --git a/backend/src/routes/health.js b/backend/src/routes/health.js
index 9035a42..ddff301 100644
--- a/backend/src/routes/health.js
+++ b/backend/src/routes/health.js
@@ -54,7 +54,7 @@ router.get('/', async (req, res) => {
         available: isHealthy,
         lastCheck: lastCheck?.timestamp || null,
         status: lastCheck?.healthy ? 'healthy' : 'unhealthy',
-        url: process.env.PYTHON_SERVICE_URL || 'http://localhost:8000'
+        url: process.env.PYTHON_SERVICE_URL || 'http://localhost:8010'
       };
       
       if (!isHealthy) {
diff --git a/backend/src/services/pythonServiceClient.js b/backend/src/services/pythonServiceClient.js
index 335aee3..6935f5c 100644
--- a/backend/src/services/pythonServiceClient.js
+++ b/backend/src/services/pythonServiceClient.js
@@ -18,7 +18,7 @@ if (typeof globalThis.fetch !== 'undefined') {
   }
 }
 
-const PYTHON_SERVICE_URL = process.env.PYTHON_SERVICE_URL || 'http://localhost:8000';
+const PYTHON_SERVICE_URL = process.env.PYTHON_SERVICE_URL || 'http://localhost:8010';
 
 /**
  * Call Python service for options flow processing