---
name: lighter
description: "Lighter — Orderbook DEX on Arbitrum"
emoji: "⚡"
commands:
  - /lighter
gates:
  envs:
    - EVM_PRIVATE_KEY
---

# Lighter

On-chain orderbook DEX on Arbitrum. Trade perpetual futures with deep liquidity and low fees.

## Quick Start

```bash
# Set credentials
export EVM_PRIVATE_KEY="0x..."

# Check markets
/lighter markets

# Get price
/lighter price ETH-USD

# Open positions
/lighter long ETH-USD 1
/lighter short BTC-USD 0.1 45000
```

## Commands

### Market Data

| Command | Description |
|---------|-------------|
| `/lighter markets` | List available markets |
| `/lighter price <market>` | Get current price |
| `/lighter book <market>` | Show orderbook depth |

### Account

| Command | Description |
|---------|-------------|
| `/lighter balance` | Show balances |
| `/lighter positions` | Show open positions |
| `/lighter orders` | List open orders |

### Trading

| Command | Description |
|---------|-------------|
| `/lighter long <market> <size> [price]` | Open long position |
| `/lighter short <market> <size> [price]` | Open short position |
| `/lighter close <market>` | Close position |
| `/lighter closeall` | Close all positions |
| `/lighter cancel <orderId>` | Cancel order |
| `/lighter cancelall` | Cancel all orders |

**Examples:**
```bash
/lighter long ETH-USD 1           # Market long 1 ETH
/lighter long ETH-USD 1 3000      # Limit long at $3,000
/lighter short BTC-USD 0.1        # Market short 0.1 BTC
/lighter close ETH-USD            # Close ETH position
```

## Configuration

```bash
# Required
export EVM_PRIVATE_KEY="0x..."

# Optional
export DRY_RUN=true
```

## Resources

- [Lighter App](https://app.lighter.xyz)
- [Lighter Docs](https://docs.lighter.xyz)