Get Spy Price

public class SpyService
    {
        string siteUrl = "https://ssltools.forexprostools.com/technical_summary.php?pairs=166";
        HttpClient httpClient = new HttpClient();
        
        public async Task<string> Get()
        {
            try
            {
                HttpResponseMessage request = await httpClient.GetAsync(siteUrl);
                Stream response = await request.Content.ReadAsStreamAsync();
                HtmlParser parser = new HtmlParser();
                IHtmlDocument document = parser.ParseDocument(response);
                var eles = document.GetElementsByClassName("ftqa11bbb");
                if (eles == null || eles.Length == 0)
                {
                    return null;
                }
                else
                {
                    return eles[0].TextContent;
                }
            }
            catch (Exception ex)
            {
                throw;
            }
        }
    }