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+# FastAPI Application Documentation
+
+This documentation provides an overview and instructions for a FastAPI application that interfaces with a database to manage indicators, stocks, and scenes, and performs backtests based on the provided scenes.
+
+## Table of Contents
+
+1. [Introduction](#introduction)
+2. [Setup](#setup)
+    - [Virtual Environment](#virtual-environment)
+3. [API Endpoints](#api-endpoints)
+    - [Health Check](#health-check)
+    - [Indicators](#indicators)
+    - [Stocks](#stocks)
+    - [Scenes](#scenes)
+    - [Backtests](#backtests)
+    - [Backtest Results](#backtest-results)
+4. [Database Models](#database-models)
+5. [Utility Functions](#utility-functions)
+6. [Data Fetching](#data-fetching)
+
+## Introduction
+
+This FastAPI application provides endpoints for managing financial indicators, stocks, scenes, and performing backtests. The app interacts with a database using SQLAlchemy ORM and includes endpoints for creating, reading, and managing these entities.
+
+## Setup
+
+1. **Clone the repository**:
+    ```sh
+    git clone https://github.com/10Accademy-InsightStreamInc/Scalable_Backtesting_Infrastructure_for_Crypto_Trading
+    cd Scalable_Backtesting_Infrastructure_for_Crypto_Trading
+    ```
+
+2. **Set up the virtual environment**:
+    ```sh
+    python -m venv venv
+    source venv/bin/activate  # On Windows use `venv\Scripts\activate`
+    ```
+
+3. **Install the required dependencies**:
+    ```sh
+    pip install -r requirements.txt
+    ```
+
+4. **Set up the database**:
+    Ensure that your database configuration in `database.py` is correct. The database tables will be created automatically upon running the application.
+
+5. **Run the FastAPI application**:
+    ```sh
+    uvicorn backend.main:app --reload
+    ```
+
+## API Endpoints
+
+### Health Check
+
+#### Check API Health
+
+- **Endpoint**: `/health`
+- **Method**: `GET`
+- **Response**: "API is healthy"
+
+This endpoint checks the health status of the API.
+
+### Indicators
+
+#### Create Indicator
+
+- **Endpoint**: `/indicators/`
+- **Method**: `POST`
+- **Request Body**: 
+    ```sh
+    {
+      "name": "string",
+      "symbol": "string",
+      "description": "string"
+    }
+    ```
+- **Response**:
+    ```sh
+    {
+      "id": 1,
+      "name": "string",
+      "symbol": "string",
+      "description": "string"
+    }
+    ```
+Creates a new financial indicator and saves it to the database.
+
+#### Read Indicators
+
+- **Endpoint**: `/indicators/`
+- **Method**: `GET`
+- **Query Parameters**:
+  - `skip` (default: 0)
+  - `limit` (default: 10)
+- **Response**:
+    ```sh
+    [
+      {
+        "id": 1,
+        "name": "string",
+        "symbol": "string",
+        "description": "string"
+      }
+    ]
+    ```
+Retrieves a list of indicators from the database.
+
+### Stocks
+
+#### Create Stock
+
+- **Endpoint**: `/stocks/`
+- **Method**: `POST`
+- **Request Body**:
+    ```sh
+    {
+      "name": "string",
+      "symbol": "string",
+      "description": "string"
+    }
+    ```
+- **Response**:
+    ```sh
+    {
+      "id": 1,
+      "name": "string",
+      "symbol": "string",
+      "description": "string"
+    }
+    ```
+Creates a new stock entry and saves it to the database.
+
+#### Read Stocks
+
+- **Endpoint**: `/stocks/`
+- **Method**: `GET`
+- **Query Parameters**:
+  - `skip` (default: 0)
+  - `limit` (default: 20)
+- **Response**:
+    ```sh
+    [
+      {
+        "id": 1,
+        "name": "string",
+        "symbol": "string",
+        "description": "string"
+      }
+    ]
+    ```
+Retrieves a list of stocks from the database.
+
+### Scenes
+
+#### Create Scene
+
+- **Endpoint**: `/scenes/`
+- **Method**: `POST`
+- **Request Body**:
+    ```sh
+    {
+      "period": 1,
+      "start_date": "2023-01-01",
+      "end_date": "2023-12-31",
+      "stock_name": "string",
+      "indicator_id": 1
+    }
+    ```
+- **Response**:
+    ```sh
+    {
+      "id": 1,
+      "period": 1,
+      "start_date": "2023-01-01",
+      "end_date": "2023-12-31",
+      "stock_name": "string",
+      "indicator_id": 1
+    }
+    ```
+Creates a new scene entry and saves it to the database.
+
+#### Read Scenes
+
+- **Endpoint**: `/scenes/`
+- **Method**: `GET`
+- **Query Parameters**:
+  - `skip` (default: 0)
+  - `limit` (default: 10)
+- **Response**:
+    ```sh
+    [
+      {
+        "id": 1,
+        "period": 1,
+        "start_date": "2023-01-01",
+        "end_date": "2023-12-31",
+        "stock_name": "string",
+        "indicator_id": 1
+      }
+    ]
+    ```
+Retrieves a list of scenes from the database.
+
+### Backtests
+
+#### Perform Backtest
+
+- **Endpoint**: `/backtests/{scene_id}`
+- **Method**: `POST`
+- **Path Parameters**: `scene_id`
+- **Response**:
+    ```sh
+    [
+      {
+        "id": 1,
+        "scene_id": 1,
+        "gross_profit": 1000.0,
+        "net_profit": 900.0,
+        "number_of_trades": 10,
+        "winning_trades": 7,
+        "losing_trades": 3,
+        "max_drawdown": 5.0,
+        "sharpe_ratio": 1.5,
+        "created_at": "2023-01-01T00:00:00Z"
+      }
+    ]
+    ```
+Performs a backtest based on the provided scene ID and returns the results.
+
+### Backtest Results
+
+#### Read Backtest Results
+
+- **Endpoint**: `/backtest_results/`
+- **Method**: `GET`
+- **Query Parameters**:
+  - `skip` (default: 0)
+  - `limit` (default: 10)
+- **Response**:
+    ```sh
+    [
+      {
+        "id": 1,
+        "scene_id": 1,
+        "gross_profit": 1000.0,
+        "net_profit": 900.0,
+        "number_of_trades": 10,
+        "winning_trades": 7,
+        "losing_trades": 3,
+        "max_drawdown": 5.0,
+        "sharpe_ratio": 1.5,
+        "created_at": "2023-01-01T00:00:00Z"
+      }
+    ]
+    ```
+Retrieves a list of backtest results from the database.