Setting Brokerage Model

It seems like there's a small mistake in your code. The correct way to set the brokerage model for Binance US in QuantConnect is:

self.SetBrokerageModel(BrokerageName.BinanceUS, AccountType.Cash)

You can find more information about setting the brokerage model in the QuantConnect documentation.

Do you see anything wrong with this? Because I keep getting “object reference not set up" errors.

import math
from AlgorithmImports import *
from QuantConnect.Brokerages import BrokerageName
class Ratios(QCAlgorithm):
    def __init__(self):
        self.SetStartDate(2023, 3, 12)
        self.SetEndDate(2023, 3, 14)
        self.SetCash(1500)
        self.SetCash("BTC", .1)
        self.SetBrokerageModel(BrokerageName.BinanceUS, AccountType.Cash)
        self.AddCrypto("BTCUSD", Resolution.Minute)
        minimum_price_variation = self.securities["BTCUSD"].SymbolProperties.MinimumPriceVariation
        minimum_order_size = self.securities["BTCUSD"].SymbolProperties.MinimumOrderSize
    def OnData(self, data):
        asset = self.Portfoilio.CashBook["BTC"].Amount
        if self.asset is None:
            self.asset = asset
        base = self.Portfolio.Cashbook["USD"].Amount
        if self.base is None:
            self.base = base
        price = self.Securities["BTCUSD"].Price
        if self.price is None:
            self.price = price
        if self.slush is None:
            self.slush = 0
        if self.ratio is None:
            self.ratio = minimum_order_size/minimum_price_variation
            if self.ratio < base/price:
                self.ratio = base/price
        if self.maximum_price is None:
            self.maximum_price = price*math.exp(asset/self.ratio)
        if self.minimum_price is None:
            self.minimum_price = price-base/self.ratio
        if self.total is None:
            self.total = self.ratio*(self.maximum_price-self.minimum_price)
        if self.asset_ratio is None and price < self.maximum_price:
            self.asset_ratio = asset/(math.log(self.maximum_price/price))

The error message "object reference not set up" typically means that you're trying to access a property or method on an object that hasn't been initialized yet. In your code, you're trying to access properties like self.asset, self.base, self.price, self.slush, self.ratio, self.maximum_price, self.minimum_price, self.total, and self.asset_ratio before they have been defined.

To fix this, you should initialize these properties in the __init__ method of your class. Here's how you can do it:

class Ratios(QCAlgorithm):
    def __init__(self):
        self.SetStartDate(2023, 3, 12)
        self.SetEndDate(2023, 3, 14)
        self.SetCash(1500)
        self.SetCash("BTC", .1)
        self.SetBrokerageModel(BrokerageName.BinanceUS, AccountType.Cash)
        self.AddCrypto("BTCUSD", Resolution.Minute)
        minimum_price_variation = self.securities["BTCUSD"].SymbolProperties.MinimumPriceVariation
        minimum_order_size = self.securities["BTCUSD"].SymbolProperties.MinimumOrderSize

        # Initialize properties
        self.asset = None
        self.base = None
        self.price = None
        self.slush = None
        self.ratio = None
        self.maximum_price = None
        self.minimum_price = None
        self.total = None
        self.asset_ratio = None

Now, when you try to access these properties in the OnData method, they will have been initialized and you shouldn't get the "object reference not set up" error.