private Validity smoothedPeriodValidity(
PeriodRatingDTO periodRatingDTO, Double totalPriceChange) {
Validity periodValidity = Validity.NORATING;
double errorDelta = 0.0;
double ratioToTotPriceChange = 0.10;
boolean isBullAndNeg =
periodRatingDTO.getTrend().equals(EventType.BULLISH.name())
&& periodRatingDTO.getPriceRateOfChange() < -errorDelta;
boolean isBearAndPos =
periodRatingDTO.getTrend().equals(EventType.BEARISH.name())
&& periodRatingDTO.getPriceRateOfChange() > errorDelta;
boolean isPeriodSignificant =
Math.abs(periodRatingDTO.getPriceRateOfChange())
> Math.abs(totalPriceChange * ratioToTotPriceChange);
if (isBullAndNeg || isBearAndPos) {
if (isPeriodSignificant) {
periodValidity = Validity.FAILURE;
} else {
periodValidity = Validity.NORATING;
}
} else {
periodValidity = Validity.SUCCESS;
}
return periodValidity;
}
public FinalRating calculateRating(TuningResDTO tuningRes) {
int nbSuccess = 0;
int nbFailure = 0;
for (PeriodRatingDTO periodRatingDTO : tuningRes.getPeriods()) {
Validity periodValidity =
smoothedPeriodValidity(periodRatingDTO, tuningRes.getStockPriceChange());
// nbSuccess = nbSuccess + ((periodValidity.equals(Validity.SUCCESS))?1:0);
if (periodRatingDTO
.getTrend()
.equals(EventType.BULLISH.toString())) { // we tally only the bullish failures and success
nbSuccess = nbSuccess + ((periodValidity.equals(Validity.SUCCESS)) ? 1 : 0);
nbFailure = nbFailure + ((periodValidity.equals(Validity.FAILURE)) ? 1 : 0);
}
}
FinalRating finalRating =
tuningFinalizationRating(
tuningRes.getFollowProfit(), tuningRes.getStockPriceChange(), nbSuccess, nbFailure);
// Test
// finalRating.validity = Validity.SUCCESS;
return finalRating;
}
private void addFilteredPeriod(
List<PeriodRatingDTO> periods, PeriodRatingDTO period, int sizeConstraint) {
if ((periods.size() == 0) && EventType.valueOf(period.getTrend()).equals(EventType.BULLISH)) {
LOGGER.info("First bullish period discarded : " + period);
return;
}
if (sizeConstraint != -1 && period.getPeriodLenght() < sizeConstraint) {
String invFlasePositiveTrend =
(EventType.valueOf(period.getTrend()).equals(EventType.BULLISH))
? EventType.NONE.toString()
: EventType.BULLISH.toString();
LOGGER.info(
"Period is too short (false positive) : "
+ period
+ ". Trend will be set as "
+ invFlasePositiveTrend);
period.setTrend(invFlasePositiveTrend);
if ((periods.size() == 0) && EventType.valueOf(period.getTrend()).equals(EventType.BULLISH)) {
LOGGER.info("First bullish period discarded : " + period);
return;
}
}
PeriodRatingDTO previousPeriod;
if (periods.size() > 0
&& (previousPeriod = periods.get(periods.size() - 1))
.getTrend()
.equals(period.getTrend())) {
previousPeriod.setTo(period.getTo());
previousPeriod.setPriceAtTo(period.getPriceAtTo());
previousPeriod.setRealised(period.isRealised());
} else {
periods.add(period);
}
}
/**
* Builds a *_ConfigRating.csv file for the stock containing the trend periods results of the
* stock tuning. The from and to dates are the date for the start of a trend (BULLISH/BEARISH) and
* the end of the trend. The file contains one line per config elected over the tuning. For each
* config its trend period of occurrence and the trend values during this period. Hence you can
* have several lines with different configs over the same trend period where they were
* consecutively elected with the same trend results. As in fact the config elected will change at
* the pace of the tuning periods which are different from the trend periods. On the other hand,
* when trend changes, also does the trend period dates. In the same way the same config can be
* elected over several consecutive trend period changes.
*/
public void exportConfigRating(
String analysisName,
TuningResDTO tuningRes,
Date startDate,
Date endDate,
FinalRating calculatedRating)
throws IOException {
String fileName = "tmp" + File.separator + analysisName + "_ConfigRating.csv";
File configRatings = new File(System.getProperty("installdir") + File.separator + fileName);
FileWriter fileWriter = new FileWriter(configRatings);
fileWriter.write(
"config, cfg start, cfg end, trend start, trend end, length, price change, trend, success/failure, compound profit \n");
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy MM dd");
Double compoundProfit = 1d;
for (PeriodRatingDTO periodRatingDTO : tuningRes.getPeriods()) {
String successOrFailure =
((periodRatingDTO.getTrend().equals(EventType.BULLISH.name())
&& periodRatingDTO.getPriceRateOfChange() <= 0)
|| (periodRatingDTO.getTrend().equals(EventType.BEARISH.name())
&& periodRatingDTO.getPriceRateOfChange() > 0))
? "FAILURE"
: "SUCCESS";
if (periodRatingDTO.getTrend().equals(EventType.BULLISH.name()))
compoundProfit = compoundProfit * (periodRatingDTO.getPriceRateOfChange() + 1);
String cfgStr =
dateFormat.format(periodRatingDTO.getFrom())
+ " , "
+ dateFormat.format(periodRatingDTO.getTo())
+ " , "
+ periodRatingDTO.getPeriodLenght()
+ " , "
+ periodRatingDTO.getPriceRateOfChange()
+ " , "
+ periodRatingDTO.getTrend()
+ " , "
+ successOrFailure
+ " , "
+ compoundProfit;
if (periodRatingDTO.getConfigs().size() > 0) {
for (String pConfig : periodRatingDTO.getConfigs()) {
String cfgStart = dateFormat.format(startDate);
String cfgEnd = dateFormat.format(endDate);
fileWriter.write(pConfig + " , " + cfgStart + " , " + cfgEnd + " , " + cfgStr + "\n");
}
} else { // No config
fileWriter.write("No config? " + " , , , " + cfgStr + "\n");
}
}
fileWriter.write(
"total , percent gain : "
+ tuningRes.getFollowProfit()
+ ", price change : "
+ tuningRes.getStockPriceChange()
+ "\n");
tuningRes.setConfigRatingFile(fileName);
fileWriter.write("rating , " + calculatedRating);
fileWriter.close();
}
private TuningResDTO buildResOnValidPeriods(
List<PeriodRatingDTO> periods,
SortedMap<Date, Number> mapFromQuotationsClose,
Quotations quotations,
Stock stock,
Date startDate,
Date endDate,
String analyseName,
SortedMap<Date, double[]> calcOutput,
String evtDefInfo,
Observer observer)
throws IOException, InvalidAlgorithmParameterException {
String trendFile = "noOutputAvailable";
String chartFile = "noChartAvailable";
Double trendFollowProfit = 1.00;
Boolean generateBuySellCsv =
MainPMScmd.getMyPrefs().getBoolean("autoporfolio.generatecsv", true);
Boolean generateSmaCmpOutChart =
MainPMScmd.getMyPrefs().getBoolean("autoporfolio.generatepng", true);
// Init output file
String endDateStamp = "";
if (MainPMScmd.getMyPrefs().getBoolean("perceptron.stampoutput", false)) {
endDateStamp = new SimpleDateFormat("yyyyMMdd").format(endDate);
}
BufferedWriter csvWriter = null;
String fileName = "noOutputAvailable";
if (generateBuySellCsv) {
fileName =
"autoPortfolioLogs"
+ File.separator
+ analyseName
+ stock.getSymbol()
+ "_"
+ evtDefInfo
+ "_BuyAndSellRecords"
+ endDateStamp
+ ".csv";
File file = new File(System.getProperty("installdir") + File.separator + fileName);
file.delete();
csvWriter = new BufferedWriter(new FileWriter(file));
csvWriter.write("Date, Quotations, Bearish, Bullish, Output \n");
}
// Other init
BigDecimal lastClose =
(BigDecimal) mapFromQuotationsClose.get(mapFromQuotationsClose.lastKey());
Double csvDispFactor = 1.00;
SortedMap<Date, Double> buySerie = new TreeMap<Date, Double>();
SortedMap<Date, Double> sellSerie = new TreeMap<Date, Double>();
int lastRealisedBullIdx = -1;
PeriodRatingDTO previousPeriod = null;
for (PeriodRatingDTO currentPeriod : periods) {
// Exports
if (generateBuySellCsv || generateSmaCmpOutChart) {
// csv gaps
SortedMap<Date, Number> gapQuotationMap;
if (generateBuySellCsv
&& previousPeriod != null
&& (gapQuotationMap =
mapFromQuotationsClose.subMap(
previousPeriod.getTo(), currentPeriod.getFrom()))
.size()
> 1) {
for (Date gapDate : gapQuotationMap.keySet()) {
Double closeForGapDate = gapQuotationMap.get(gapDate).doubleValue();
double[] output = calcOutput.get(gapDate);
exportLine(
generateBuySellCsv,
false,
csvDispFactor,
csvWriter,
buySerie,
sellSerie,
gapDate,
closeForGapDate,
EventType.NONE,
output);
}
}
previousPeriod = currentPeriod;
// export period
SortedMap<Date, Number> periodQuotationMap =
mapFromQuotationsClose.subMap(currentPeriod.getFrom(), currentPeriod.getTo());
EventType periodTrend = EventType.valueOf(currentPeriod.getTrend());
for (Date periodInnerDate : periodQuotationMap.keySet()) {
Double closeForInnerDate = periodQuotationMap.get(periodInnerDate).doubleValue();
double[] output = calcOutput.get(periodInnerDate);
exportLine(
generateBuySellCsv,
generateSmaCmpOutChart,
csvDispFactor,
csvWriter,
buySerie,
sellSerie,
periodInnerDate,
closeForInnerDate,
periodTrend,
output);
}
}
// Calculate profit
if (EventType.valueOf(currentPeriod.getTrend()).equals(EventType.BULLISH)
&& currentPeriod.isRealised()) {
lastRealisedBullIdx = periods.indexOf(currentPeriod);
Double followPriceRateOfChange = currentPeriod.getPriceRateOfChange();
if (followPriceRateOfChange.isNaN() || followPriceRateOfChange.isInfinite()) {
String message =
"Error calculating followPriceRateOfChange for "
+ stock.getFriendlyName()
+ " : "
+ currentPeriod;
LOGGER.error(message);
throw new InvalidAlgorithmParameterException(message);
}
// Follow Profit
if (LOGGER.isDebugEnabled())
LOGGER.debug(
"Buy : Compound profit is "
+ trendFollowProfit
+ " at "
+ currentPeriod.getFrom()
+ ". "
+ "First price is "
+ currentPeriod.getPriceAtFrom()
+ " at "
+ currentPeriod.getFrom()
+ ". "
+ "Last price is "
+ currentPeriod.getPriceAtTo()
+ " at "
+ currentPeriod.getTo()
+ ". ");
trendFollowProfit = trendFollowProfit * (followPriceRateOfChange + 1);
if (LOGGER.isDebugEnabled())
LOGGER.debug(
"New Compound at "
+ currentPeriod.getTo()
+ " : prevTotProfit*("
+ followPriceRateOfChange
+ "+1)="
+ trendFollowProfit);
} else if (EventType.valueOf(currentPeriod.getTrend()).equals(EventType.BEARISH)) {
// Follow Profit
if (LOGGER.isDebugEnabled())
LOGGER.debug(
"Sell : Compound profit is "
+ trendFollowProfit
+ " at "
+ currentPeriod.getFrom()
+ ". "
+ "Period "
+ currentPeriod
+ " : followPriceRateOfChange for period "
+ currentPeriod.getPriceRateOfChange());
} else if (EventType.valueOf(currentPeriod.getTrend()).equals(EventType.BULLISH)
&& !currentPeriod.isRealised()) {
// Nothing
if (LOGGER.isDebugEnabled()) LOGGER.debug("Unrealised bull period " + currentPeriod);
}
} // End for over periods
// Finalise Csv file
if (generateBuySellCsv) {
csvWriter.close();
trendFile = fileName;
}
// Finalise PNG Chart
if (generateSmaCmpOutChart) {
try {
String chartFileName =
"autoPortfolioLogs"
+ File.separator
+ analyseName
+ stock.getSymbol()
+ "_"
+ evtDefInfo
+ "_OutChart"
+ endDateStamp
+ ".png";
generateOutChart(chartFileName, calcOutput, quotations, buySerie, sellSerie);
observer.update(
null,
new ObserverMsg(stock, ObserverMsg.ObsKey.PRGSMSG, "Output images generated ..."));
chartFile = chartFileName;
} catch (NotEnoughDataException e) {
LOGGER.warn("Can't generate chart for " + stock, e, true);
chartFile = "noChartAvailable";
} catch (Exception e) {
LOGGER.error("Can't generate chart for " + stock, e);
chartFile = "noChartAvailable";
}
} else {
chartFile = "noChartAvailable";
}
observer.update(
null, new ObserverMsg(stock, ObserverMsg.ObsKey.PRGSMSG, "Output file generated ..."));
// Output boundaries
Date outputFirstKey = startDate;
Date outputLastKey = endDate;
if (!calcOutput.isEmpty()) {
outputFirstKey = calcOutput.firstKey();
outputLastKey = calcOutput.lastKey();
}
// Finalise profits
trendFollowProfit = trendFollowProfit - 1;
if (!periods.isEmpty()) {
PeriodRatingDTO firstPeriod = periods.get(0);
PeriodRatingDTO lastPeriod = periods.get(periods.size() - 1);
if (lastRealisedBullIdx != -1) {
Date firstBullFrom = firstPeriod.getFrom();
BigDecimal firstBullStartPrice = quotations.getClosestCloseForDate(firstBullFrom);
PeriodRatingDTO lastBullPeriod = periods.get(lastRealisedBullIdx);
Date lastBullTo = lastBullPeriod.getTo();
BigDecimal lastBullStartPrice = quotations.getClosestCloseForDate(lastBullTo);
LOGGER.info(
"Trend following compounded profit calculation is first Close "
+ firstBullStartPrice
+ " at "
+ firstBullFrom
+ " and last Close "
+ lastBullStartPrice
+ " at "
+ lastBullTo
+ " : "
+ trendFollowProfit);
} else {
LOGGER.info(
"Trend following profit calculation is unknown (No bullish periods were detected or no trend change detected)");
}
// Buy and hold profit
BigDecimal firstClose = quotations.getClosestCloseForDate(firstPeriod.getFrom());
Double buyAndHoldProfit =
(firstClose.compareTo(BigDecimal.ZERO) != 0)
? lastClose
.subtract(firstClose)
.divide(firstClose, 10, BigDecimal.ROUND_HALF_EVEN)
.doubleValue()
: Double.NaN;
LOGGER.info(
"Buy and hold profit calculation is first Close "
+ firstClose
+ " at "
+ firstPeriod.getFrom()
+ " and last Close "
+ lastClose
+ " at "
+ endDate
+ " : ("
+ lastClose
+ "-"
+ firstClose
+ ")/"
+ firstClose
+ "="
+ buyAndHoldProfit);
return new TuningResDTO(
periods,
trendFile,
chartFile,
lastPeriod.getTrend(),
trendFollowProfit,
Double.NaN,
buyAndHoldProfit,
outputFirstKey,
outputLastKey);
}
LOGGER.info("No event detected");
return new TuningResDTO(
periods,
trendFile,
chartFile,
EventType.NONE.toString(),
Double.NaN,
Double.NaN,
Double.NaN,
outputFirstKey,
outputLastKey);
}