VVozny.com

Features

Position size calculator

Most accounts are lost not to bad entries but to position sizes picked by feel. The calculator turns "how much do I take" from a hunch into arithmetic: you set risk as a percentage of the deposit, the size follows.

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What goes in and what comes out

In: deposit, acceptable risk as a percentage (or straight in money), entry price, stop and target, and your account leverage. Out: position size in lots or base-asset units, actual risk in money, risk/reward ratio, profit at target, notional value, required margin and pip value. The entry price can be pulled from the market with one button so you are not copying it off the chart by hand.

Why size follows the stop

Risk is set by the distance to your stop, not by leverage. Leverage only determines how much margin the broker locks up — and the calculator shows that on its own line so the two never get confused. Which leads to a conclusion you can read straight off the numbers: the wider the stop, the smaller the size at the same risk. Not the other way round, and not "I'll tighten the stop so I can take more".

Actual risk is honestly lower than requested

Size is rounded down to the instrument's lot step, so real risk is usually slightly below what you asked for — and the calculator shows that figure too, not just the target. Instruments without lots are sized in units of the base asset. Details like this are what separate a calculation from an estimate: in the trade you are risking the actual amount, not the one you had in mind.

Who this is for

  • Anyone who sizes "as usual" instead of calculating from risk
  • Anyone moving to a new instrument with a different lot step
  • Anyone who wants risk/reward before the entry rather than after
  • Anyone who conflates the role of leverage with the role of the stop

Frequently asked questions

What risk per trade is reasonable?
The common reference is 1–2% of the deposit, and the calculator is built around that logic. It is a reference, not advice: the actual number depends on your strategy and your tolerance for drawdown.
Does it account for commission and swap?
No: those differ by broker. It calculates market risk from price and stop — add your own account's costs on top.
Why a leverage field if the stop sets the risk?
Leverage does not change risk, but it determines required margin: a large position may simply not open on your account. The calculator shows margin so you find that out before the trade.

Other things the terminal does

VVozny is a terminal for analysis and learning — not a broker and not an exchange. Orders are filled on a demo account and in the replay simulator. You trade real money wherever your account is held.

Position size calculator: trade size from percentage risk