66 lines
2.5 KiB
Markdown
66 lines
2.5 KiB
Markdown
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[← MQLArticles](../README.md)
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# PosMgmt
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Open position management: breakeven, partial closes by volume, and partial closes conditioned on indicators.
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## Main features
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- Breakeven by fixed points, ATR or risk/reward ratio (`CBreakEven`, `CBreakEvenSimple`, `CBreakEvenAtr`, `CBreakEvenRR`).
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- Partial closes by volume/TP percentage across multiple stages (`CPartials`).
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- Conditional partial closes, triggered by a pluggable condition (e.g. RSI) instead of a fixed level (`CConditionalPartials`, `CConditionalPartialsFactory`) — see [ConditionalPartial](./ConditionalPartial) for the class hierarchy.
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## Basic usage
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### Breakeven
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```mql5
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//--- Atr
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atr_ultra_optimized.SetVariables(_Period, _Symbol, 0, 14);
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atr_ultra_optimized.SetInternalPointer();
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//--- Configure the breakeven values so it can be used
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break_even.SetBeByAtr(InpBeAtrMultiplier, InpBeAtrMultiplierExtra, GetPointer(atr_ultra_optimized));
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break_even.SetBeByFixedPoints(InpBeFixedPointsToPutBe, InpBeFixedPointsExtra);
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break_even.SetBeByRR(InpBeRrDbl, InpBeTypeExtraRr, InpBeExtraPointsRrOrAtrMultiplier, GetPointer(atr_ultra_optimized));
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break_even.SetInternalPointer(InpTypeBreakEven);
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break_even.obj.AddLogFlags(InpLogLevelBe);
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```
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### Partial closes
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```mql5
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g_partials.AddLogFlags(InpLogLevelPartials);
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g_partials.Init(InpMagic, _Symbol, InpVolumePercentageToClose, InpTpPercentagesForPartials);
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```
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### Conditional partial closes
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```mql5
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if(InpPartialsIsEnable)
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{
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// Atr creation
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g_atr = new CAtr();
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g_atr.Create(_Period, _Symbol, 14, true, true);
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g_atr.SetAsSeries(true);
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CAutoCleaner::AddPtr(g_atr); // auto-deleted on deinit
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// Dynamic instance from the factory
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g_partials = CConditionalPartialsFactory::Create(InpPartialsClassManagerType);
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g_partials.AddLogFlags(InpPartialsLogLevel);
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// RSI condition
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CConditionalPartialsIndRsi* rsi_condition = new CConditionalPartialsIndRsi();
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if(!rsi_condition.Init(InpPartialsRsiTimeframe, _Symbol, InpPartialsRsiPeriod, InpPartialsRsiOverBoughtLevel, InpPartialsRsiOverSoldLevel))
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return INIT_PARAMETERS_INCORRECT;
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ConditionalPartialConfig config;
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config.condition = rsi_condition;
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config.min_distance_to_close_pos = CreateDiffptr(MODE_DIFF_BY_ATR, _Symbol, g_atr, 0, InpPartialsMinDistanceInAtrMul);
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config.str_percentage_volume_to_close = InpPartialsVolumeToClosePercentage;
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config.magic_number = InpMagic;
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if(!g_partials.Init(config))
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return INIT_PARAMETERS_INCORRECT;
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else
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CAutoCleaner::AddPtr(g_partials);
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}
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```
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> Only the most representative classes are shown here.
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