Field notes
Research, market structure and product updates — from the engine room.
The mathematics of risk-of-ruin: why position sizing beats win rate
A win rate of 70% means nothing if your position sizing is wrong. Here is the math every serious trader should understand before placing a single live trade.
Funding rates explained: the silent cost of crypto perpetuals
Every 8 hours, billions of dollars in funding payments quietly change hands between long and short positions. Most traders ignore this. The smart ones treat it as either a tax to minimize or a coupon to harvest.
Drawdown is more than a number: reading it like a fund manager
Max drawdown is the most quoted, least informative statistic in trading. Real risk assessment looks at duration, recovery, ratio-adjusted variants, and the shape of the equity curve.
Volatility regimes: when the market mood changes, smart traders adapt
Markets do not have a single personality. They have moods. The traders who recognize when the mood changes — and adjust sizing, not just signals — keep their winnings. The ones who do not, give them back.
Survivorship bias in trading: why most backtests lie to you
A backtest with a Sharpe ratio of 3.0 is much more likely to be a measurement artifact than a real edge. Here is how the most common biases inflate historical performance — and how serious researchers control for them.
Inside the market's engine room: reading microstructure
How professionals read order flow, not just price — and why the shape of liquidity tells you more than any indicator ever can.
API keys security: the no-withdraw policy explained
Your funds never leave the exchange. Here is exactly what permissions the bot needs, why, and how the architecture makes theft mathematically impossible.
Machine learning in trading: why constrained intelligence beats unconstrained models
Throwing a 200-million-parameter transformer at the market gets you better averages and catastrophic tails. Here is what actually works — and what every operator should know about ML risk.
How to choose a real MT5 trading robot: a buyer's due diligence
The market is full of pretty backtests. Most do not survive forward. Here are the seven questions every serious buyer should ask — and the math behind why each one matters.