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I'm RyoN, an independent developer based in Japan, specializing in systematic trading and Expert Advisor design.

After 13 years in B2B technology training and customer education at a global tech company, I transitioned to full-time trading and EA development in 2026, operating through my own company, Our Soil LLC.

My approach is conservative by design: multi-pair systems with a fixed stop-loss on every trade — no martingale, no grid, no averaging down. Strategies are grounded in observable market behavior — mean reversion at session boundaries, volatility-adaptive filtering — rather than curve-fitted indicator stacks or black-box neural networks.

Before building Nexus Nine, I personally purchased and backtested 20+ commercial EAs to understand the market. Most failed the same way: aggressive money management masking the absence of a real edge. Nexus Nine is built on the opposite philosophy — small per-trade risk, statistical edge, transparent logic.

I respond personally to every message. Updates are free for all buyers.

I respond personally to every MQL5 message. Updates remain free for all buyers.
Ryo Nakata
パブリッシュされた投稿Backtesting multi-currency EAs in MT5: the settings that actually matter
Spent the better part of last year building Nexus Nine — a 9-pair mean reversion EA — and discovered along the way that MetaTrader 5's Strategy Tester silently produces misleading results for multi-symbol systems unless you change a handful of non-default settings...
Ryo Nakata
追加されたトピックEfficient Communication Between Multiple MT5 Instances and Python for Low-Latency Data Analysis
Hello MQL Community, I'm developing a multi-terminal price analysis system that requires real-time communication between multiple MT5 instances (running on the same machine) and a Python application with minimal latency. I need to quickly transfer
Ryo Nakata
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