---
title: "Data Providers"
description: "Learn how to connect and feed data to a live algorithm from data providers supported by Lean CLI."
canonical: https://www.quantconnect.com/docs/v2/lean-cli/live-trading/data-providers
markdown: https://www.quantconnect.com/docs/v2/lean-cli/live-trading/data-providers.md
language: python
source: https://github.com/QuantConnect/Documentation/tree/master/05%20Lean%20CLI/09%20Live%20Trading/02%20Data%20Providers
modified: 2026-11-02
index: https://www.quantconnect.com/llms.txt
---

# Data Providers

[Documentation](https://www.quantconnect.com/docs/v2.md) > [Lean CLI](https://www.quantconnect.com/docs/v2/lean-cli.md) > Live Trading > Data Providers

> Code examples are shown in Python. Append `?lang=csharp` to this URL for the C# version of this page.

Data providers supply data to run your live algorithm using LEAN. You can use multiple data providers in live trading algorithms.

- [Databento](https://www.quantconnect.com/docs/v2/lean-cli/live-trading/data-providers/databento.md): US Futures
- [IQFeed](https://www.quantconnect.com/docs/v2/lean-cli/live-trading/data-providers/iqfeed.md): US Equities, US Options, Forex, & US Futures
- [Polygon](https://www.quantconnect.com/docs/v2/lean-cli/live-trading/data-providers/polygon.md): US Equities, US Equity Options, US Indices, & US Index Options
- [Theta Data](https://www.quantconnect.com/docs/v2/lean-cli/live-trading/data-providers/theta-data.md): US Equities, US Equity Options, US Indices, & US Index Options

### See Also

- [Brokerages](https://www.quantconnect.com/docs/v2/lean-cli/live-trading/brokerages.md)

## Pages in This Section

- [Databento](https://www.quantconnect.com/docs/v2/lean-cli/live-trading/data-providers/databento.md): Learn how to connect and feed data to a live algorithm from Databento in Lean CLI.
- [IQFeed](https://www.quantconnect.com/docs/v2/lean-cli/live-trading/data-providers/iqfeed.md): Learn how to connect and feed data to a live algorithm from IQFeed in Lean CLI.
- [Polygon](https://www.quantconnect.com/docs/v2/lean-cli/live-trading/data-providers/polygon.md): Learn how to connect and feed data to a live algorithm from Polygon in Lean CLI.
- [Theta Data](https://www.quantconnect.com/docs/v2/lean-cli/live-trading/data-providers/theta-data.md): Learn how to connect and feed data to a live algorithm from Theta Data in Lean CLI.