docs/trading_logic_flow.drawio

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        <!-- Title -->
        <mxCell id="title" value="&lt;b&gt;DRL Trading System v2.1 — Complete Trade Logic Flow&lt;/b&gt;&lt;br&gt;&lt;i&gt;Updated: 2026-03-09&lt;/i&gt;" style="text;html=1;strokeColor=none;fillColor=none;align=center;verticalAlign=middle;whiteSpace=wrap;rounded=0;fontSize=16;" vertex="1" parent="1">
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        <!-- ============================================== -->
        <!-- PHASE 1: DATA FETCH & SL/TP CHECK              -->
        <!-- ============================================== -->
        
        <!-- Start -->
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        <!-- Fetch Data -->
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        <!-- Check Pending Limit Orders -->
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        <!-- SL/TP Check -->
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        <!-- Close Position -->
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        <!-- ============================================== -->
        <!-- PHASE 2: PPO MODEL PREDICTION                   -->
        <!-- ============================================== -->
        
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        <!-- ============================================== -->
        <!-- PHASE 3: COMPOSITE MARKET SCORE                 -->
        <!-- ============================================== -->
        
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        <!-- Signal 1: Whale -->
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        <!-- Signal 2: Regime -->
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        <!-- Signal 3: TFT -->
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        <!-- Signal 4: Funding -->
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        <!-- Signal 5: Order Flow -->
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        <!-- Squeeze Override -->
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        <!-- Composite Result -->
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        <!-- ============================================== -->
        <!-- PHASE 3b: HARD VETOES                           -->
        <!-- ============================================== -->
        
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        <mxCell id="veto_title" value="&lt;b&gt;🚫 Hard Veto Gates (any one blocks the trade)&lt;/b&gt;" style="text;html=1;strokeColor=none;fillColor=none;align=center;fontSize=12;" vertex="1" parent="1">
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        <!-- Veto 1: Regime -->
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        <!-- Veto 2: TFT -->
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        <!-- Veto 3: Low Confidence -->
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        <!-- Veto 4: Volume -->
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        <!-- Veto 5: Liquidation Danger -->
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        <!-- Veto 6: CVD Divergence -->
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        <!-- Veto Block Label -->
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        <!-- ============================================== -->
        <!-- PHASE 4: 3-TIER DECISION SYSTEM                 -->
        <!-- ============================================== -->
        
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        <!-- Tier 1 -->
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        <!-- Tier 2 -->
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        <!-- Tier 3 -->
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        <!-- ============================================== -->
        <!-- PHASE 4b: CONVICTION COLLAPSE (Emergency Exit)  -->
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        <!-- PHASE 5: ANTI-OVERTRADING GUARDS                -->
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        <mxCell id="guard_hold" value="⏳ Min Hold Timer&#xa;(4h since entry)" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#ffe6b3;strokeColor=#d79b00;fontSize=9;" vertex="1" parent="1">
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        <mxCell id="guard_port" value="🛡️ Global Portfolio Mgr&#xa;(Max 2 same-direction)" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#ffe6b3;strokeColor=#d79b00;fontSize=9;" vertex="1" parent="1">
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        <!-- ============================================== -->
        <!-- PHASE 6: EXECUTION                              -->
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        <!-- Execute Trade -->
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        <!-- Split into LONG and SHORT -->
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