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Got warning on self.SetBenchmark("SPY")
Warning: SetBenchmark(SPY): no existing symbol found, benchmark security will be added with Equity type.
Changing to either of following solved warning. What's the difference between them, which way is preferred?
self.SetBenchmark(self.AddEquity("SPY").Symbol)
self.SetBenchmark(Symbol.Create("SPY", SecurityType.Equity, Market.USA))
Thanks
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