# Cross-collateral deposits

By default, markets are quoted in USD and P&L is settled in USDC. All tokens deposited within the protocol can earn yield via Borrow/Lend. Until unrealised P&L is settled into your Balances, it will not earn (if profits) or be charged (if losses) the deposit/borrow interest respectively.

Below is a table of assets supported by Drift Protocol.

Each asset counts towards margin for derivatives trading and has a weight applied to account for their respective volatilities.

For instance, depositing USDC gives users a 1:1 margin for derivatives trading, but depositing SOL (80% asset weight) means that 80% of the value of your SOL at the opening of your position will be available as margin for perpetual futures trading.

**Margin Parameters**

Asset | Initial Asset Weight | Maintenance Asset Weight | Initial Liability Weight | Maintenance Liability Weight | IMF Factor |
---|---|---|---|---|---|

USDC | 100% | 100% | 100% | 100% | 0 |

SOL | 80%* | 90% | 120% | 110% | 0.003 |

mSOL | 80%* | 90% | 120% | 110% | 0.003 |

wBTC (portal) | 80%* | 90% | 120% | 110% | 0.105 |

wETH (portal) | 80%* | 90% | 120% | 110% | 0.025 |

USDT | 90% | 95% | 110% | 105% | 0.0004 |

JitoSOL | 80%* | 90% | 120% | 110% | 0.00055 |

PYTH | 50%* | 75% | 150% | 125% | 0.00055 |

bSOL | 80%* | 90% | 120% | 110% | 0.00055 |

JTO | 50%* | 75% | 150% | 125% | 0.00055 |

WIF | 25%* | 50% | 175% | 150% | 0.00055 |

JUP | 50%* | 75% | 150% | 125% | 0.00055 |

Initial Asset Weights are also scaled lower based on notional value of total deposits. As a reference, you can check out UI or the SpotMarket `get_scaled_initial_weight_asset`

for this scale factor.

The IMF Factor acts as a discount on account size:

`Initial Asset Weight`

on 2000 SOL Collateral (using above) would be:

`weight = min (.80, 1.1 / [ 1 + (0.003 * sqrt(2000)] )`

`= min(.80, ~.96987) = .80`

An asset's liability weight can be converted into an LTV ratio using:

`ltv = 1 / liability weight`

Asset | Initial LTV | Max LTV |
---|---|---|

USDC | 100% | 100% |

SOL | 83.3% | 90.9% |

mSOL | 83.3% | 90.9% |

wBTC (portal) | 83.3% | 90.9% |

wETH (portal) | 83.3% | 90.9% |

USDT | 90.9% | 95.2% |

JitoSOL | 83.3% | 90.9% |

PYTH | 66.7% | 80.0% |

bSOL | 83.3% | 90.9% |

JTO | 66.7% | 80.0% |

WIF | 57.1% | 66.7% |

JUP | 66.7% | 80.0% |