Margin, drawdown, and position sizing

Futures leverage makes the risk boundary part of the signal. Return alone is not a sizing plan.

The boundary buyers miss

Margin is not the same thing as the amount a trader can safely lose. A broker may permit a position with a small initial deposit while the contract’s tick value and overnight movement expose the account to a much larger drawdown. A signal service that quotes wins without showing how stops, size, and account equity interact leaves the most important decision to the buyer.

What the record should show

Read drawdown in the same units as the trade. Ask for the largest peak-to-trough decline, the longest losing run, the stop distance, the intended number of contracts, and whether correlated positions can overlap. A published model record can be useful while still being unsuitable for a small account or a trader with a tight loss limit.

How to use the test

Before following a signal, translate the stop into currency, include commissions and slippage, define the maximum account percentage at risk, and decide what happens after a loss. A good futures buyer’s guide makes that arithmetic visible instead of hiding it behind a win rate or a margin figure.

Bottom line

No historical record removes leverage risk. A timestamp proves when a call existed; it does not choose the buyer’s size or guarantee a fill.

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