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from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
import time

# Launch Chrome WebDriver to open a browser window
driver = webdriver.Chrome()

# Navigate to Yahoo Finance's S&P 500 page
driver.get('https://finance.yahoo.com/quote/%5EGSPC/')

# Wait for the page to fully load (maximum wait of 20 seconds)
wait = WebDriverWait(driver, 20)

# Additional wait time to ensure the page finishes loading
time.sleep(5)

# Fetch the current price (text of span inside fin-streamer with class livePrice within div having class price)
current_price_element = wait.until(EC.presence_of_element_located((By.CSS_SELECTOR, 'span[data-testid="qsp-price"]')))
current_price = current_price_element.text

# Fetch the Previous Close value
previous_close_element = wait.until(EC.presence_of_element_located((By.CSS_SELECTOR, 'fin-streamer[data-field="regularMarketPreviousClose"]')))
previous_close = previous_close_element.text

# Fetch the Volume value
volume_element = wait.until(EC.presence_of_element_located((By.CSS_SELECTOR, 'fin-streamer[data-field="regularMarketVolume"]')))
volume = volume_element.text

# Print the results
print(f"Current Price: {current_price}")
print(f"Previous Close: {previous_close}")
print(f"Volume: {volume}")

# Close the driver
driver.quit()

# Extracting S&P 500 Index Data in Real-Time

In this lesson, we will learn how to extract `S&P 500` stock data from *Yahoo Finance*.

<br />

### 1. Fetching the Current Price

```python title="Fetching the Current Price using find_element"
current_price_element = wait.until(EC.presence_of_element_located((By.CSS_SELECTOR, 'span[data-testid="qsp-price"]')))
current_price = current_price_element.text
```

`find_element()` is used to find a specific element on the page.

The XPATH is defined as follows:

- div[contains(@class, 'price')] : `div` tag that contains `price` class

- fin-streamer[contains(@class, 'livePrice')] : `fin-streamer` tag that contains `livePrice` class

- span : `span` tag


In summary, the XPATH selects elements with `div` tags containing the `price` class, `fin-streamer` tags containing the `livePrice` class, and finally the `span` tag.

<br />

### 2. Fetching the Previous Close Value

```python title="Fetching the Previous Close Value"
previous_close_element = wait.until(EC.presence_of_element_located((By.CSS_SELECTOR, 'fin-streamer[data-field="regularMarketPreviousClose"]')))
previous_close = previous_close_element.text
```

`By.CSS_SELECTOR` is used to select the `fin-streamer` tag with the `data-field="regularMarketPreviousClose"` attribute.

The XPATH is defined as follows:

- fin-streamer[data-field="regularMarketPreviousClose"] : `fin-streamer` tag with the `data-field="regularMarketPreviousClose"` attribute

The `previous_close_element` stores the element containing the Previous Close value.

`previous_close_element.text` retrieves the Previous Close value as text.

<br />

### 3. Fetching the Volume Value

```python title="Fetching the Volume Value"
volume_element = wait.until(EC.presence_of_element_located((By.CSS_SELECTOR, 'fin-streamer[data-field="regularMarketVolume"]')))
volume = volume_element.text
```

We select the `fin-streamer` tag with the `data-field="regularMarketVolume"` attribute to fetch the Volume value.

`volume_element.text` retrieves the Volume value as text.

selenium