private async void buttonStart_Click(object sender, EventArgs e)
{
TrainerWindow trainer = new TrainerWindow();
DateTime startDate = dateTimePickerStart.Value;
Stock stock = new Stock(textBoxStock.Text);
if (checkBoxRandomStartDate.Checked)
{
Random r = new Random();
int totalDays = (dateTimePickerStart.MaxDate - dateTimePickerStart.MinDate).Days;
startDate = dateTimePickerStart.MinDate.AddDays(r.Next(0, totalDays - 90));
StockData data = await StockDataBase.Get(stock, Api.Interval.Daily);
startDate = data.FindClosestTradeDay(startDate);
}
if (OptionChain.DataAvailible(stock, startDate))
{
trainer.Show((double)numericUpDown1.Value, startDate, new Stock(textBoxStock.Text));
this.Close();
}
}