17 using System.Collections.Generic;
26 private static readonly Dictionary<string, string> _indexExchange =
new(StringComparer.InvariantCultureIgnoreCase)
58 {
"MRUT",
"RUSSELL" },
105 {
"VOLI",
"NASDAQ" },
133 {
"FTW5000",
"AMEX" },
137 private static readonly Dictionary<string, string> _indexMarket =
new(StringComparer.InvariantCultureIgnoreCase)
151 return _indexExchange.TryGetValue(symbol.
Value, out var market)
162 return _indexMarket.TryGetValue(ticker, out market);