Interactive Brokerage Slippage

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Does self.SetBrokerageModel(BrokerageName.InteractiveBrokersBrokerage, AccountType.Margin) automatically add slippage? If not do I need another line of code?

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self.SetBrokerageModel(BrokerageName.InteractiveBrokersBrokerage) does not set the slippage model. There is a default one, the ConstantSlippageModel, but for more accuracy it is recommended to create a slippage model per security. This sample code shows an example of creating a custom slippage model.

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A quick follow up question: can I set the transaction / slippage model the same for my entire Equity universe or do I need to loop through each security and set it indiviudally?

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Hi Goofball,

Setting the transaction / slippage model an entire universe can be done using the SetSecurityInitializer method. This method allows us to apply any fill model or special data requests on a per-security basis. This way, we don’t need to loop through each security and set it individually.

Please see the following resources and the attached backtest for reference.


Best,
Gahl Goziker

https://www.quantconnect.com/terminal/processCache?request=embedded_backtest_e5f12ac8e61b7e5faaa89fde9e7f832b.html

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The material on this website is provided for informational purposes only and does not constitute an offer to sell, a solicitation to buy, or a recommendation or endorsement for any security or strategy, nor does it constitute an offer to provide investment advisory services by QuantConnect. In addition, the material offers no opinion with respect to the suitability of any security or specific investment. QuantConnect makes no guarantees as to the accuracy or completeness of the views expressed in the website. The views are subject to change, and may have become unreliable for various reasons, including changes in market conditions or economic circumstances. All investments involve risk, including loss of principal. You should consult with an investment professional before making any investment decisions.


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