public bool TryGetOptionsChain(string ticker, Exchange?exchange, out OptionsChain optionChain, out string errorMessage)
{
DateTime from = new DateTime(DateTime.Now.Year, DateTime.Now.Month, 1);
DateTime to = new DateTime(DateTime.Now.Year, DateTime.Now.Month, GetLastDay(DateTime.Now.Month)).AddYears(3);
bool ok = NasdaqApiCaller.GetOptionChain(ticker, from, to, out string jsonResponse, out errorMessage);
optionChain = new OptionsChain();
NasdaqResponse nasdaqResponse = JsonConvert.DeserializeObject <NasdaqResponse>(jsonResponse);
foreach (var optionRow in nasdaqResponse.Data.OptionChainList.Rows)
{
if (optionRow.Call != null)
{
var call = optionRow.Call;
Option o = new Option(OptionClass.Call, call.Symbol)
{
LastPrice = call.Last.ToNullableDecimal(),
Strike = call.Strike.ToDouble(-1),
ExpirationDate = call.ExpiryDate.ToDateTime(),
};
o.LastPrice = call.Last.ToNullableDecimal();
o.Change = call.Change.ToNullableDouble();
o.Bid = call.Bid.ToNullableDouble();
o.Ask = call.Ask.ToNullableDouble();
o.Volume = call.Volume.ToNullableInt();
o.OpenInterest = call.Openinterest.ToNullableInt();
optionChain.Add(o);
}
if (optionRow.Put != null)
{
var put = optionRow.Put;
Option o = new Option(OptionClass.Put, put.Symbol)
{
LastPrice = put.Last.ToNullableDecimal(),
Strike = put.Strike.ToDouble(-1),
ExpirationDate = put.ExpiryDate.ToDateTime(),
};
o.LastPrice = put.Last.ToNullableDecimal();
o.Change = put.Change.ToNullableDouble();
o.Bid = put.Bid.ToNullableDouble();
o.Ask = put.Ask.ToNullableDouble();
o.Volume = put.Volume.ToNullableInt();
o.OpenInterest = put.Openinterest.ToNullableInt();
optionChain.Add(o);
}
}
errorMessage = "ok";
return(true);
}
internal static bool GetStockSummary(string ticker, Exchange?exchange, AssetClass assetType, out HttpStatusCode statusCode, out NasdaqResponse nasdaqResponse, out string jsonResponse, out string message)
{
//https://api.nasdaq.com/api/quote/TQQQ/info?assetclass=etf
//https://api.nasdaq.com/api/quote/AAPL/info?assetclass=stocks
string uri = $"{httpClient.BaseAddress}quote/{ticker}/info";
if (assetType == AssetClass.Stock)
{
uri += "?assetclass=stocks";
}
else if (assetType == AssetClass.ETF)
{
uri += "?assetclass=etf";
}
HttpResponseMessage responseMessage = httpClient.GetAsync(uri).Result;
string content = responseMessage.Content.ReadAsStringAsync().Result;
statusCode = responseMessage.StatusCode;
if (responseMessage.StatusCode == HttpStatusCode.OK)
{
jsonResponse = content;
nasdaqResponse = JsonConvert.DeserializeObject <NasdaqResponse>(jsonResponse);
message = "OK";
return(true);
}
else
{
dynamic error = new
{
HttpStatusCode = responseMessage.StatusCode.ToString(),
ReasonPhrase = responseMessage.ReasonPhrase,
ContentResponse = content,
};
jsonResponse = JsonConvert.SerializeObject(error);
nasdaqResponse = null;
message = responseMessage.ReasonPhrase;
return(false);
}
}
internal static bool GetPrices(string ticker, Exchange?exchange, DateTime from, DateTime to, PriceInterval interval, out HttpStatusCode statusCode, out NasdaqResponse nasdaqResponse, out string jsonResponse, out string message)
{
//https://api.nasdaq.com/api/quote/AAPL/chart?assetclass=stocks&fromdate=2010-04-15&todate=2020-04-15
string fromDate = from.ToString("yyyy-MM-dd");
string toDate = to.ToString("yyyy-MM-dd");
string uri = $"{httpClient.BaseAddress}quote/{ticker}/chart?assetclass=stocks&fromdate={fromDate}5&todate={toDate}";
HttpResponseMessage responseMessage = httpClient.GetAsync(uri).Result;
string originalContent = responseMessage.Content.ReadAsStringAsync().Result;
string content = originalContent;
statusCode = responseMessage.StatusCode;
if (responseMessage.StatusCode == HttpStatusCode.OK)
{
jsonResponse = content;
nasdaqResponse = JsonConvert.DeserializeObject <NasdaqResponse>(jsonResponse);
message = "OK";
return(true);
}
else
{
dynamic error = new
{
HttpStatusCode = responseMessage.StatusCode.ToString(),
ReasonPhrase = responseMessage.ReasonPhrase,
ContentResponse = content,
};
jsonResponse = JsonConvert.SerializeObject(error);
nasdaqResponse = null;
message = responseMessage.ReasonPhrase;
return(false);
}
}