/// <summary>
/// List open sell orders
/// </summary>
/// <param name="symbol">The symbol</param>
/// <param name="limit">No. of limit to query open sell orders</param>
/// <returns>Open sell orders</returns>
public virtual async Task <string> GetAsksAsync(string symbol, int limit)
{
return(await _apiService.EndpointMarketAsksAsync(symbol, limit));
}