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< > BotCompany Repo | #1036519 // LivePullbackToProfitAnalysis

JavaX fragment (include) [tags: use-pretranspiled]

Libraryless. Click here for Pure Java version (10779L/60K).

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persistable sclass LivePullbackToProfitAnalysis {
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  settable double pullbackLimit = 1.0;
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  settable double adversity = 0.2;
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  settable boolean isShort;
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  settable long startTime;
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  settable double openingPrice;
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  settable double crest = 0;
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  settable double maxPullback;
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  settable L<PullbackToProfit> ptpList;
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  double priceToProfit(double price) {
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    var profit = asPercentIncrease(price, openingPrice());
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    if (isShort()) profit = neg(profit);
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    ret profit-adversity();
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  }
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  void add aka feed(PricePoint pp) {
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    if (startTime == 0) {
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      startTime(pp.time());
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      openingPrice(pp.price());
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      ptpList(new L);
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    }
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    var price = pp.price();
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    var time = pp.time();
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    var profit = priceToProfit(price);
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    crest = max(crest, profit);
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    var pullback = crest-profit;
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    maxPullback = max(maxPullback, pullback);
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    if (done()) ret;
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    var result = new PullbackToProfit().pullback(maxPullback).profit(crest-maxPullback);
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    var prev = last(ptpList);
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    if (prev != null)
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      if (prev.replaces(result))
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        ret;
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      else if (result.replaces(prev))
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        popLast(ptpList);
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    ptpList.add(result
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      .isShort(isShort)
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      .timestamp(time)
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      .startTime(startTime()));
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  }
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  /*double cleanness() {
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    ret ptp == null ? 0 : ptp.cleanness();
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  }
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  double profit() {
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    ret ptp == null ? negativeInfinity() : ptp.profit();
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  }*/
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  bool done() {
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    ret maxPullback >= pullbackLimit();
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  }
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  toString {
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    ret startTime == 0 ? "Unstarted PTP analysis" : joinWithComma(ptpList);
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  }
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  double maxCleanness() {
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    ret doubleMax(map(ptpList(), ptp -> ptp.cleanness());
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  }
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  PullbackToProfit cleanestPTP() {
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    ret highestBy(ptpList(), ptp -> ptp.cleanness());
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  }
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}

Author comment

Began life as a copy of #1036515

download  show line numbers  debug dex  old transpilations   

Travelled to 2 computer(s): mqqgnosmbjvj, wnsclhtenguj

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Snippet ID: #1036519
Snippet name: LivePullbackToProfitAnalysis
Eternal ID of this version: #1036519/9
Text MD5: b4ac65bbe1e338ea6441c36178bc67b2
Transpilation MD5: 6f455482771afb8e717f58f4d116f7fa
Author: stefan
Category: javax / trading
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2023-01-22 17:05:23
Source code size: 1848 bytes / 72 lines
Pitched / IR pitched: No / No
Views / Downloads: 91 / 166
Version history: 8 change(s)
Referenced in: [show references]