Best Lot Size for Gold by Account Size: $100, $500, $1,000, $5,000, $10,000

The formula behind every number here

On most platforms 1 lot of XAUUSD is 100 ounces, so a $1 move in gold is worth $100 per lot, $10 per 0.10 lot and $1 per 0.01 lot (how much is 1 lot of gold has the full breakdown).

Position size follows from three decisions:

Lot size = (account balance × risk %) ÷ (stop distance in $ × 100)

• Account balance: current balance or equity, not the starting deposit.
• Risk %: the share of the account you accept losing if the stop is hit. 1% is the common standard; 0.5% is conservative; 2% is the upper end most risk guides allow.
• Stop distance: measured in dollars of gold price (entry 4,040.00, stop 4,030.00 = $10). Not in pips, because brokers define gold pips differently; the pip value guide explains the conventions.

Example: $5,000 account, 1% risk = $50, stop $20 away. $50 ÷ ($20 × 100) = 0.025 lot, which rounds down to 0.02 lot. Actual risk: $40, or 0.8%.

The position size calculator does this in one step. The tables below are the same formula worked out in advance.

The big table: account × risk × stop → lot size

Figures are rounded down to the nearest 0.01 lot, the minimum and step size on most standard accounts. “Below min” means the correct size is smaller than 0.01 lot, so a standard account cannot take the trade at that risk level; the number in brackets is the raw result.

$100 account

Trading 0.01 lot anyway means 5% risk with a $5 stop and 10% with a $10 stop. See can I trade gold with $100? for what that implies.

$500 account

$1,000 account

$5,000 account

$10,000 account

The quick version: 1% risk only

Two patterns stand out. Doubling the stop halves the lot size, every time. And for accounts under $1,000, most of the table is empty, which is the arithmetic behind the advice in how much money do you need to trade gold.

Which stop column applies to you?

Stop distance depends on timeframe and on how much gold is moving. In the 20 trading days to 22 October 2026 the average daily range was about $77 (gold volatility tracker):

• $5: tight intraday stops on M5–M15, only around well-defined levels and away from news.
• $10: standard intraday stop on M15–H1.
• $20: wide intraday or tight swing stop on H1–H4.
• $40: swing stop on H4–D1, about half a normal day’s range.

If volatility rises, the stop that used to be $10 needs to be $15, and the lot size needs to fall by a third. Sizing from a fixed lot while the market changes is how a “safe” position becomes an oversized one. The ATR and Bollinger volatility guide shows how to set stops from measured volatility instead of round numbers.

Why 0.10 lot on $500 blows accounts

Look at the $500 table. The largest size that appears anywhere, at 2% risk with the tightest stop, is 0.02 lot. Yet 0.10 lot on a $500 account is one of the most common sizes in blown-account stories. Three things make it feel reasonable:

1. The margin is small. At 1:500 leverage, 0.10 lot of gold needs about $80 of margin. The platform accepts the order without complaint, and $80 out of $500 looks like a modest commitment. The gold margin calculator shows the margin; it does not show the risk.
2. The profits look fast. At 0.10 lot a $1 move is $10. A quick $5 scalp earns $50, 10% of the account in minutes. That is intoxicating, and it teaches the wrong lesson.
3. The lot size is copied from someone else. A 0.10 lot trade is sensible on a $10,000 account with a $10 stop. Copied onto a $500 account it is twenty times too large.

Now the other side. At 0.10 lot:

• A $10 stop risks $100, or 20% of the account on one trade.
• A $25 move, a third of an ordinary day, costs $250, half the account.
• Around a $42 adverse move the equity falls below the margin, and a typical 50% stop-out closes the position before that, as the gold margin call and stop-out guide walks through.
• Five losses in a row at 20% risk leave about $164 of the $500. Ten in a row, which happens to every strategy eventually, leave about $54.

The trader did not necessarily have a bad strategy. They had a lot size built for an account twenty times larger, and gold’s normal daily movement did the rest.

Rules that keep the table honest

• Size every trade separately. The stop changes, the balance changes, so the lot size changes.
• Round down, never up. 0.025 becomes 0.02. If rounding down takes you below 0.01, the trade is too big for the account at that risk; skip it.
• Use the current balance, and if you are in drawdown, size from the lower figure. That is what makes a losing streak shrink your positions instead of your account.
• Check the contract size. Some brokers and account types use contracts smaller than 100 ounces for gold. Everything above assumes 100 oz per lot; read the symbol specification if yours differs.
• Check costs scale with size. A $0.30 spread is $3 on 0.10 lot and $0.30 on 0.01 lot; the spread and swap guide has the detail.
• Set a daily loss limit alongside the per-trade limit, typically 2–3 losing trades’ worth, as described in the XAUUSD risk management guide.

If you want to avoid doing the arithmetic under pressure, bookmark the position size calculator and run every trade through it before placing the order. The table on this page is the same calculation; the calculator just lets you use your actual balance and stop.

Educational content only, not financial advice. Contract sizes vary by broker; check your platform’s symbol specification. Trading leveraged gold carries a high risk of loss.

Frequently asked questions