public List <SmaIndicator> GetSma(string ticker, int period, string interval)
{
string url = AlphaVantageApi.GetSMAUrl(ticker, period, interval);
JObject result = JObject.Parse(client.GetStringAsync(url).Result);
JObject analysis = result[$"Technical Analysis: SMA"].Value <JObject>();
return(SmaIndicator.ParseSmaArray(analysis, 50));
}
