Petr Kostal
Petr Kostal
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2
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22
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Algorithmic trading developer (MQL5 / MQL4) Osvc
Petr Kostal — algorithmic trading developer, Czech Republic.

I trade on live accounts myself, so I build EAs the way I'd want to run them.

What I build:
• Expert Advisors and indicators for MetaTrader 4 and 5 (MQL4 / MQL5)
• A written strategy turned into a configurable EA — everything adjustable sits in the inputs
• Risk management: ATR stops, break-even, partial closes, trailing, daily loss limits, drawdown protection, prop-firm rule sets
• Fixing, auditing and explaining existing EA code, including code from AI tools and no-code builders
• Backtesting and optimisation in the Strategy Tester on real tick data

Also:
• Python — MT5 bridges, data analysis, backtesting tools, log and latency analysis
• C++ — MQL is C++ based; I work in both

How I work: I ask before I code. You get the full source, commented and unlocked. I test on real ticks before I hand it over. If I think your idea won't do what you expect, I say so first.

I don't promise a profit factor, a win rate or a monthly return. Nobody can do that honestly.

You can check my work: two EAs in the MQL5 Market — Gorilla UltimateBeast Forex and GorillaBeast ScalperPro Gold2 — and a MetaTrader 5 signal, ThreeD Bet Forex MAX, running on a real account since March 2026. More EAs are in development.

I'm new to Freelance and my rating here is empty. I'd rather say that than hide it.
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Petr Kostal
已发布代码Trade Guardian - stop loss watchdog and drawdown limiter that re-arms
A safety EA that watches every open position on the chart symbol: it reports any position left without a stop loss, optionally attaches an ATR-based stop, and enforces a daily and a total drawdown limit that re-arms after a cooldown.
22
Petr Kostal
已发布代码Position Peak Logger - how far your trades actually travelled, in R
Records the maximum favourable and adverse excursion of every position in R multiples and writes one CSV row per closed trade.
8
Petr Kostal 已发布产品

🇨🇳 中文 GorillaBeast GOLD 2 — Power. Precision. Profit. 🦍 黄金(XAU/EUR)正经历历史上最动荡的岁月。价格飙升至每盎司约 4,300–4,500 欧元 的历史新高,高盛和摩根大通等银行预测将进一步升至 4,600 欧元以上 。随之而来的是极端波动——剧烈跳动、点差扩大、地缘政治冲击。这正是普通系统失败的地方。 GorillaBeast GOLD 2 在严苛的 2023–2026 期间进行了测试(98% 真实 tick)——经历了创纪录的上涨、剧烈回调以及美联储和欧洲央行决策前后的紧张阶段。它挺过了黄金的艰难时期,保持了稳定且增长的表现。 回测结果(2023–2026): ✅ 净利润: 1,041,344 ✅ 胜率: 81% (1,100 笔交易,仅 102 笔亏损) ✅ 盈利因子: 7.96 ✅ 平滑上升的资金曲线 当别人在动荡的黄金市场中迷失时,GorillaBeast GOLD 2 以冷酷的精准捕猎目标。 加入狼群。🦍📈 ⚠️ 免责声明:过往表现不保证未来收益。交易有风险。建议先在模拟账户上测试。

Petr Kostal 已发布产品

Gorilla Ultimate Beast Forex – podle MetaTrader 5 的自动交易系统(EA),专为外汇品种的全规则化交易设计,无需人工傲鲑鈺工傲鈑鈺工悂悈非常重视透明度,因此该EA的表现与持续统计数据来自 真实账户 ,并通过并嬖三湏并通过数据Myfxbook 的独立监控公开展示(链接见下方)。本EA适合希望拥有清晰进出场规则、并可根据自身资金管理及经纪商条件(点差、手续费、滑点、执行质量)选择更稳健或更积极运行方式的交易者。为获得更稳定的运行效果,建议使用稳定网络连接,并优先考虑 VPS。你可以选择 租用 先在自己的账户上实测并验证表现,或选择 购买(永久/完整许可) 进行长期使用。交易存在风险,结果可能因经纪商环境与参数设置而不同;任何系统都无法保证盈利。

Petr Kostal 发布MetaTrader 5信号
ThreeD Bet Forex MAX
价格:50 USD, 增长:61.61%
自动化均值回归网格策略,同时在H1时间框架上交易8个货币对。系统利用价格对均值的统计偏差——系统性地买入超卖水平,卖出超买水平。无情绪。无犹豫。纯粹逻辑,全天候24/5运行。 *14个月回测(2025–2026年)证实平均年化收益率高达 +135%,最大投资组合回撤仅为 16%。每个货币对均经过严格筛选——只有回撤低于10%且夏普比率高于2的品种才能入选。* 无需人工干预。无需猜测。只有数学。 在所有人之前加入我们。
Petr Kostal
已在MQL5.community注册