Supported Models



This page explains the default security-level models and markets of the TradierBrokerageModel.

SetBrokerageModel(BrokerageName.TradierBrokerage, AccountType.Cash);
SetBrokerageModel(BrokerageName.TradierBrokerage, AccountType.Margin);
self.SetBrokerageModel(BrokerageName.TradierBrokerage, AccountType.Cash)
self.SetBrokerageModel(BrokerageName.TradierBrokerage, AccountType.Margin)

To view the implementation of this model, see the LEAN GitHub repository.


The TradierBrokerageModel uses the EquityFillModel for Equity trades and the ImmediateFillModel for Option trades.


The TradierBrokerageModel uses the ConstantSlippageModel with zero slippage.


The TradierBrokerageModel uses the ConstantFeeModel with zero fees.

Buying Power

The TradierBrokerageModel uses the OptionMarginModel for Option trades. If you trade Equities with a cash account, the brokerage uses the CashBuyingPowerModel. Otherwise, it uses the SecurityMarginModel.

If you have a margin account, the TradierBrokerageModel allows 2x leverage for Equities.


The TradierBrokerageModel uses the ImmediateSettlementModel for margin accounts and the DelayedSettlementModel for cash accounts.

Default Markets

The default market of the TradierBrokerageModel is Market.USA.

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