public async Task Should_GetOptionsContracts() { TwsObjectFactory twsObjectFactory = new TwsObjectFactory("localhost", TestConstants.Port, 1); ITwsControllerBase twsController = twsObjectFactory.TwsControllerBase; await twsController.EnsureConnectedAsync(); Contract contract = new Contract { SecType = TwsContractSecType.Stock, Symbol = "MSFT", Exchange = TwsExchange.Smart, }; // Get the contract details of the STOCK so that you can find the underlying security ID, required for the security definitions call. var contractDetails = await twsController.GetContractAsync(contract); var securityDefinitions = await twsController.RequestSecurityDefinitionOptionParameters("MSFT", "", "STK", contractDetails.First().Contract.ConId); securityDefinitions.Count.Should().BeGreaterThan(1); await twsController.DisconnectAsync(); ////// If you want, you can request the contract details from this info or get historical data for it ////Contract option = new Contract() ////{ //// SecType = TwsContractSecType.Option, //// Symbol = "MSFT", //// Exchange = "SMART", //// Strike = 150, //// LastTradeDateOrContractMonth = securityDefinitions[0].Expirations.First(), // March 27, 20 //// Right = "C", //// Multiplier = securityDefinitions[0].Multiplier, //// Currency = TwsCurrency.Usd, ////}; ////var optionContractDetails = await twsContractDetailsController.GetContractAsync(option); ////var queryTime = DateTime.Now; ////List<HistoricalDataEventArgs> historicalDataEvents = await twsHistoricalDataController.GetHistoricalDataAsync(option, queryTime, TwsDuration.OneMonth, TwsBarSizeSetting.OneMinute, TwsHistoricalDataRequestType.Trades); }