Daily loss ceiling
Set a maximum euro loss per trading day. When the threshold is hit, all open positions are closed and no new orders are accepted until the next session. You set the number; the system holds it without exception.
Risk Controls
What stops one bad trade from becoming a bad month?
Hartwell & Sons hard-codes your risk ceiling into the session before it starts — so the system enforces what your rules say, not what you feel in the moment.
Risk controls that can't be overridden mid-session
The risk-control module sits between the strategy engine and the broker API. Every order instruction generated by your automation rules passes through it before reaching the market. If an instruction would breach any of your configured limits — daily loss ceiling, maximum position size, maximum open trades, or drawdown kill-switch — the order is blocked and you receive an immediate notification. The limits are configured before a session starts and are locked during the session. There is no override available while the terminal is live. This is intentional: the value of a risk limit comes precisely from the fact that you can't talk yourself out of it at 10:30 on a losing morning.
Risk parameters you configure before every session
Each limit is independent — set the ones that match your trading style.
Position size limits
Define the maximum notional value for any single position, either as a fixed euro amount or as a percentage of total capital. Oversized order instructions are automatically reduced to the configured ceiling before routing.
Drawdown kill-switch
If cumulative drawdown since session start exceeds your threshold — say 3% of account equity — the terminal pauses all automation, closes open positions, and sends a push notification. It does not require you to be watching.
Real-time alert layer
Every risk event — blocked order, approaching threshold, kill-switch activation — is logged and pushed to your chosen notification channel: email, Slack webhook, or in-app notification. The audit trail is exportable for MiFID II reporting.
What risk controls don't do
Risk controls on the Hartwell & Sons platform protect you from violating your own pre-set rules. They do not protect against market gaps, liquidity crises, or broker-side outages that execute orders at unexpected prices. They do not guarantee that your strategy will be profitable, and they do not replace position sizing discipline or a well-reasoned exit plan. If you're looking for a tool that promises specific financial outcomes, this is not it. If you want a tool that makes sure your own limits are the thing that stops a bad session from spiralling, that's exactly what this module does.
Want to walk through the risk setup for your specific strategy?
Send us your current approach and we'll show you how to map it to the terminal's parameters in a short call.
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