Altcoin Position Sizing: How Much to Risk on Every Trade

Most traders spend their time on entries. The thing that actually keeps an account alive is size: how much you put into each trade, decided before you enter. Two traders can take the same trades with the same results and one of them survives a bad month while the other is wiped out. The difference is position sizing.

The one rule: risk a fixed percentage, not a fixed amount

Decide how much of your account you are willing to lose on a single trade if it hits your stop. Most experienced traders use somewhere between 0.5% and 2%. Call it your risk per trade.

This is not the same as how much you invest. You might buy $1,000 of a coin while only risking $100 of your account, because your stop loss is placed above zero. Risk is the distance from your entry to your stop, multiplied by how many coins you hold.

The formula

Position size = (account size × risk %) ÷ (entry price − stop price)

That gives you the number of coins to buy. Multiply by the entry price for the dollar amount.

A worked example

• Account: $10,000
• Risk per trade: 1% = $100
• Entry: $2.00
• Stop: $1.80 (a $0.20 risk per coin)

$100 ÷ $0.20 = 500 coins, a $1,000 position, or 10% of the account. If the stop is hit, you lose $100, which is 1% of the account.

Now the same account on a more volatile altcoin where the sensible stop is much wider:

• Entry: $1.00
• Stop: $0.70 (a $0.30 risk per coin)

$100 ÷ $0.30 = about 333 coins, a $333 position. The wider the stop, the smaller the position. That is how the method automatically adjusts for volatility, and it is why the same 1% risk produces very different position sizes on different coins.

Why losing streaks decide everything

A run of losses is not bad luck, it is a normal part of trading. What matters is what the run does to you.

• Ten losses in a row at 1% risk take your account down about 9.6%. Painful, and easy to recover from.
• Ten losses in a row at 10% risk take it down about 65%.

Recovery is also not symmetrical. A 20% loss needs a 25% gain to get back. A 50% loss needs a 100% gain. Small losses are cheap to repair. Large ones are close to permanent, which is why the goal of sizing is to keep every loss small enough that it never forces a decision.

Altcoins need extra care

Three things make altcoin sizing different from large-cap coins.

Slippage on exit. On a thin coin your stop might not fill at your price. If a stop at $1.80 fills at $1.70, you lost 50% more than planned. Size smaller on illiquid coins, and check the volume before you trade.

Gaps and wicks. Altcoins can move 20% in minutes, particularly around news. A stop is a plan, not a guarantee.

Correlation. Five altcoin positions are often one bet, because they tend to fall together when Bitcoin drops. Five trades at 1% risk each may act like a single 5% risk in a bad market. Cap the total you have at risk across open positions, not just per trade.

Put it into practice

Before every trade, write down three numbers: entry, stop, and the position size that formula gives you. If the size looks too small to be worth it, the trade is not worth taking, and the answer is never to move the stop closer to make it fit. Where the stop goes is its own decision, covered in stop-loss strategies for altcoins.

You can practise this with no money at risk. The open the terminal, free includes a $100,000 practice account, so you can run the exact formula above on live prices and see what your sizing does to your results over dozens of trades.

Every call in our signals room is posted with an entry, a stop and targets, which gives you the two numbers the formula needs. Size is still yours to decide, which is how it should be. You can see how past calls turned out in 13 signals closed between 30 Jul 2026 and 21 Sep 2026.