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  <title>FXtradersAI Articles</title>
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  <link href="https://fxtradersai.com/" />
  <updated>2026-07-27T00:00:00+09:00</updated>
  <entry>
    <title>EA and Copy Trading Risk Management</title>
    <id>https://fxtradersai.com/en/insights/ea-cloud-risk-management/</id>
    <link href="https://fxtradersai.com/en/insights/ea-cloud-risk-management/" />
    <published>2026-07-27T00:00:00+09:00</published>
    <updated>2026-07-27T00:00:00+09:00</updated>
    <summary>Learn how to detect dangerous copy-trading and EA behavior, review deteriorating performance, and remove weak EAs with EA Cloud before losses expand.</summary>
    <author><name>Site operator</name></author>
  </entry>
  <entry>
    <title>コピトレ・EA運用で利益を守る方法｜危険通知と成績悪化EAの撤去</title>
    <id>https://fxtradersai.com/insights/ea-cloud-risk-management/</id>
    <link href="https://fxtradersai.com/insights/ea-cloud-risk-management/" />
    <published>2026-07-27T00:00:00+09:00</published>
    <updated>2026-07-27T00:00:00+09:00</updated>
    <summary>コピートレードやEAの危険な挙動を早く把握し、成績が悪化したEAを撤去して損失拡大を抑える方法を、EA Cloudの画面と図解で解説します。</summary>
    <author><name>運営責任者</name></author>
  </entry>
  <entry>
    <title>Modular EA Architecture | Maintainable MQL5 Design</title>
    <id>https://fxtradersai.com/en/lab/architecture/modular-ea-design/</id>
    <link href="https://fxtradersai.com/en/lab/architecture/modular-ea-design/" />
    <published>2026-07-26T00:00:00+09:00</published>
    <updated>2026-07-27T00:00:00+09:00</updated>
    <summary>Separate market data, signals, risk, execution and observability in MQL5 so changes remain local and validation responsibilities stay clear.</summary>
    <author><name>Site operator</name></author>
  </entry>
  <entry>
    <title>MQL5 Magic Numbers and EA Position Ownership</title>
    <id>https://fxtradersai.com/en/lab/code/magic-number-position-control/</id>
    <link href="https://fxtradersai.com/en/lab/code/magic-number-position-control/" />
    <published>2026-07-26T00:00:00+09:00</published>
    <updated>2026-07-27T00:00:00+09:00</updated>
    <summary>Use MQL5 Magic Numbers to distinguish positions owned by different EAs and manual trades, with reference implementation and review guidance.</summary>
    <author><name>Site operator</name></author>
  </entry>
  <entry>
    <title>How to Build an MT5 EA | Minimal MQL5 Reference Code</title>
    <id>https://fxtradersai.com/en/lab/code/minimal-mt5-ea/</id>
    <link href="https://fxtradersai.com/en/lab/code/minimal-mt5-ea/" />
    <published>2026-07-26T00:00:00+09:00</published>
    <updated>2026-07-27T00:00:00+09:00</updated>
    <summary>Build a minimal MT5 EA with MQL5 examples for OnTick orchestration, new-bar checks, spread limits, position ownership and trade-result validation.</summary>
    <author><name>Site operator</name></author>
  </entry>
  <entry>
    <title>MT5 Spread Settings and EA Stress Testing</title>
    <id>https://fxtradersai.com/en/lab/experiments/spread-stress-test/</id>
    <link href="https://fxtradersai.com/en/lab/experiments/spread-stress-test/" />
    <published>2026-07-26T00:00:00+09:00</published>
    <updated>2026-07-27T00:00:00+09:00</updated>
    <summary>Run reproducible MT5 spread stress tests and evaluate how profit factor, expectancy, drawdown and trade count degrade as transaction costs rise.</summary>
    <author><name>Site operator</name></author>
  </entry>
  <entry>
    <title>How to Refactor a Large MQL5 OnTick Function</title>
    <id>https://fxtradersai.com/en/lab/reviews/ontick-architecture-review/</id>
    <link href="https://fxtradersai.com/en/lab/reviews/ontick-architecture-review/" />
    <published>2026-07-26T00:00:00+09:00</published>
    <updated>2026-07-27T00:00:00+09:00</updated>
    <summary>Refactor a monolithic MQL5 OnTick into market reads, signals, sizing, execution, alerts and retries so failure boundaries and test scope remain visible.</summary>
    <author><name>Site operator</name></author>
  </entry>
  <entry>
    <title>EAのモジュール設計｜保守しやすいMQL5構成</title>
    <id>https://fxtradersai.com/lab/architecture/modular-ea-design/</id>
    <link href="https://fxtradersai.com/lab/architecture/modular-ea-design/" />
    <published>2026-07-26T00:00:00+09:00</published>
    <updated>2026-07-27T00:00:00+09:00</updated>
    <summary>MQL5 EAを価格取得、シグナル、リスク、発注、ログへ分割し、修正影響と再テスト範囲を追いやすくするモジュール設計を解説します。</summary>
    <author><name>運営責任者</name></author>
  </entry>
  <entry>
    <title>MQL5のMagic Numberとは｜EAごとのポジション管理方法</title>
    <id>https://fxtradersai.com/lab/code/magic-number-position-control/</id>
    <link href="https://fxtradersai.com/lab/code/magic-number-position-control/" />
    <published>2026-07-26T00:00:00+09:00</published>
    <updated>2026-07-27T00:00:00+09:00</updated>
    <summary>MQL5のMagic Numberで複数EAと裁量取引のポジションを識別し、別EAの注文を誤操作しないための実装方法をコード付きで解説します。</summary>
    <author><name>運営責任者</name></author>
  </entry>
  <entry>
    <title>MT5 EAの作り方｜最小構成のMQL5サンプルコード</title>
    <id>https://fxtradersai.com/lab/code/minimal-mt5-ea/</id>
    <link href="https://fxtradersai.com/lab/code/minimal-mt5-ea/" />
    <published>2026-07-26T00:00:00+09:00</published>
    <updated>2026-07-27T00:00:00+09:00</updated>
    <summary>MT5 EAの基本構成をMQL5コードで解説。OnTick、新バー判定、スプレッド制限、Magic Number、発注結果の確認まで実装例を公開します。</summary>
    <author><name>運営責任者</name></author>
  </entry>
  <entry>
    <title>MT5バックテストのスプレッド設定｜EA耐性テストの方法</title>
    <id>https://fxtradersai.com/lab/experiments/spread-stress-test/</id>
    <link href="https://fxtradersai.com/lab/experiments/spread-stress-test/" />
    <published>2026-07-26T00:00:00+09:00</published>
    <updated>2026-07-27T00:00:00+09:00</updated>
    <summary>MT5バックテストでスプレッド条件を段階的に広げ、PF、期待値、最大DD、取引数の悪化からEAのコスト耐性を評価する方法を解説します。</summary>
    <author><name>運営責任者</name></author>
  </entry>
  <entry>
    <title>MQL5 OnTickの分割方法｜長いEAコードのリファクタリング</title>
    <id>https://fxtradersai.com/lab/reviews/ontick-architecture-review/</id>
    <link href="https://fxtradersai.com/lab/reviews/ontick-architecture-review/" />
    <published>2026-07-26T00:00:00+09:00</published>
    <updated>2026-07-27T00:00:00+09:00</updated>
    <summary>長くなったMQL5のOnTickを、価格取得、シグナル、リスク、発注、通知、再試行へ分割し、変更影響を追いやすくする方法を解説します。</summary>
    <author><name>運営責任者</name></author>
  </entry>
  <entry>
    <title>MT5 EA Backtest Results: PF, Drawdown and Trades</title>
    <id>https://fxtradersai.com/en/insights/backtest-metrics/</id>
    <link href="https://fxtradersai.com/en/insights/backtest-metrics/" />
    <published>2026-07-23T00:00:00+09:00</published>
    <updated>2026-07-27T00:00:00+09:00</updated>
    <summary>Learn how to evaluate MT4 and MT5 EA backtests using profit factor, maximum drawdown, trade count, concentration and stability rather than net profit alone.</summary>
    <author><name>Site operator</name></author>
  </entry>
  <entry>
    <title>How to Manage Multiple EAs and VPS Environments</title>
    <id>https://fxtradersai.com/en/insights/ea-operations/</id>
    <link href="https://fxtradersai.com/en/insights/ea-operations/" />
    <published>2026-07-23T00:00:00+09:00</published>
    <updated>2026-07-27T00:00:00+09:00</updated>
    <summary>An operational guide to inventories, controlled changes, alerts, stops, backups and recovery for multiple MT4/MT5 EAs and VPS environments.</summary>
    <author><name>Site operator</name></author>
  </entry>
  <entry>
    <title>Detect EA Overfitting: OOS and Walk-Forward Tests</title>
    <id>https://fxtradersai.com/en/insights/overfitting/</id>
    <link href="https://fxtradersai.com/en/insights/overfitting/" />
    <published>2026-07-23T00:00:00+09:00</published>
    <updated>2026-07-27T00:00:00+09:00</updated>
    <summary>Detect EA overfitting with out-of-sample tests, walk-forward validation, parameter neighborhoods and transaction-cost stress tests.</summary>
    <author><name>Site operator</name></author>
  </entry>
  <entry>
    <title>MT5・EAバックテスト結果の見方｜PF・最大DD・取引数の判断基準</title>
    <id>https://fxtradersai.com/insights/backtest-metrics/</id>
    <link href="https://fxtradersai.com/insights/backtest-metrics/" />
    <published>2026-07-23T00:00:00+09:00</published>
    <updated>2026-07-27T00:00:00+09:00</updated>
    <summary>MT5・MT4のEAバックテスト結果を、純利益だけでなくPF、最大ドローダウン、取引数、損益の偏りから評価する方法を具体例付きで解説します。</summary>
    <author><name>運営責任者</name></author>
  </entry>
  <entry>
    <title>複数EA・VPS運用の管理方法｜MT4・MT5の配置・通知・復旧</title>
    <id>https://fxtradersai.com/insights/ea-operations/</id>
    <link href="https://fxtradersai.com/insights/ea-operations/" />
    <published>2026-07-23T00:00:00+09:00</published>
    <updated>2026-07-27T00:00:00+09:00</updated>
    <summary>複数のMT4・MT5 EAとVPSを安全に運用するための台帳、変更手順、通知、停止、バックアップ、復旧設計を実務ベースで整理します。</summary>
    <author><name>運営責任者</name></author>
  </entry>
  <entry>
    <title>EAの過剰最適化を見抜く方法｜OOS・ウォークフォワード検証</title>
    <id>https://fxtradersai.com/insights/overfitting/</id>
    <link href="https://fxtradersai.com/insights/overfitting/" />
    <published>2026-07-23T00:00:00+09:00</published>
    <updated>2026-07-27T00:00:00+09:00</updated>
    <summary>好成績なEAが実運用で崩れる過剰最適化を、OOS、ウォークフォワード、近傍パラメーター、スプレッド変化から見抜く方法を解説します。</summary>
    <author><name>運営責任者</name></author>
  </entry>
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