/// <summary>
/// Calculate if stock is within ideal range of RSI
/// Give negative score if stock is oversold
/// </summary>
/// <param name="viewStock"></param>
/// <returns></returns>
public StockScore GetRsiScore(ViewStock viewStock)
{
var score = new StockScore();
var perfectScore = _settingRepository.GetSettingValue <decimal>(SettingNames.Score_Rsi);
var overBoughtScore = _settingRepository.GetSettingValue <decimal>(SettingNames.Score_Overbought);
var rsi = viewStock.StockTechnicalAnalysisInfo.Rsi14;
if (rsi > 70)
{
score.AddReason(overBoughtScore, "Already overbought", StockTrend.Bearish); //give negative score
}
else if (rsi >= 60 && rsi <= 70)
{
score.AddReason(perfectScore, $"RSI is {rsi}");
}
else if (rsi <= 30 && rsi > 20)
{
score.AddReason(perfectScore * 0.3m, "Watch this stock"); //give 30% of perfect score
}
if (rsi < 10)
{
score.AddReason(perfectScore, "Oversold");
}
return(score);
}
public StockScore GetMa9Score(ViewStock viewStock)
{
var score = new StockScore();
var perfectScore = _settingRepository.GetSettingValue <decimal>(SettingNames.Score_Ma9);
if (viewStock.LatestStockHistory.Last > viewStock.StockTechnicalAnalysisInfo.Ma9)
{
score.AddReason(perfectScore, "Bullish MA 9");
}
return(score);
}
public StockScore GetReachedCapScore(ViewStock viewStock)
{
var score = new StockScore();
var perfectScore = _settingRepository.GetSettingValue <decimal>(SettingNames.Score_ReachedCap);
var cap = viewStock.LatestStockHistory.MarketCap; //find out how to find the market cap
var lastPrice = viewStock.LatestStockHistory.Last;
return(score);
//if (cap == lastPrice)
}
public StockScore GetVolume15Score(ViewStock viewStock)
{
var score = new StockScore();
var perfectScore = _settingRepository.GetSettingValue <decimal>(SettingNames.Score_Volume);
if (viewStock.LatestStockHistory.Volume > viewStock.StockTechnicalAnalysisInfo.VolumeAvg15)
{
score.AddReason(perfectScore, "Has volume");
}
return(score);
}
public StockScore GetBreakingSupport2Score(ViewStock viewStock)
{
var score = new StockScore();
var perfectScore = _settingRepository.GetSettingValue <decimal>(SettingNames.Score_BreakSupport2);
//break resistance 2
if (viewStock.LatestStockHistory.Last >= viewStock.StockTechnicalAnalysisInfo.Resistance2)
{
score.AddReason(perfectScore, "Broken support 2");
}
return(score);
}
public async Task <StockScore> GetBidAndAskScore(ViewStock stock)
{
var score = new StockScore();
var perfectScore = _settingRepository.GetSettingValue <decimal>(SettingNames.Score_AskAndBid);
var askAndBids = await _investagramsApiService.GetAskAndBidByStockId(stock.StockInfo.StockId);
var buyers = askAndBids.Buyers.OrderByDescending(x => x.Volume).ToList();
var sellers = askAndBids.Sellers.OrderByDescending(x => x.Volume).ToList();
//Nobody wants to sell because there is a breakout.
//There must be some good news with this stock or this is being hyped
if (buyers.Count > 0 && sellers.Count == 0)
{
score.AddReason(perfectScore, "No one is selling the stock", isSignificant: true);
}
else if (buyers.Count == 0 && sellers.Count > 0)
{
//ideally this shouldn't happen
score.AddReason(perfectScore, "No one is buying the stock", StockTrend.Bearish, true);
}
else
{
var highestVolumeOfBuyers = buyers.Any()? buyers.First() : new Buyer();
var highestVolumeOfSellers = sellers.Any()? sellers.First() : new Seller();
//My Own metrics.
//Inverse law of supply and demand
//if sellers is greater than the buyers then it must be going up. (must be backed up with volume)
if (highestVolumeOfSellers.Volume > highestVolumeOfBuyers.Volume)
{
var percentage = (highestVolumeOfSellers.Volume - highestVolumeOfBuyers.Volume) / highestVolumeOfSellers.Volume;
var reason = $"Sellers are {percentage * 100}% higher than the buyers";
//if sellers are 15-30% higher than buyers give half score
if (percentage >= 0.15m && percentage <= 0.3m)
{
score.AddReason(perfectScore / 2, reason);
}
//if sellers are 50-30% higher than the buyers give the perfect score
else if (percentage >= 0.3m)
{
score.AddReason(perfectScore, reason);
}
}
}
return(score);
}
public StockScore GetTradeScore(ViewStock viewStock)
{
var score = new StockScore();
var perfectScore = _settingRepository.GetSettingValue <decimal>(SettingNames.Score_Trade);
var tradeThreshold = 1500;
if (viewStock.LatestStockHistory.Trades > tradeThreshold)
{
score.AddReason(perfectScore, $"Stock reached more than {tradeThreshold} trades");
}
return(score);
}
