Anti-Martingale and Pyramiding: How Adding Size After Wins Works

What the anti-martingale strategy is

The anti-martingale strategy is a position-sizing rule. Position size is how much you trade, such as the lot size in forex. You increase size after a winning trade and reduce it after a losing trade.

It is the reverse of the martingale strategy, which adds size after losses to recover them. Anti-martingale adds size when the account is growing and cuts it when the account is shrinking.

It does not tell you when to enter or exit. It only changes how much you risk. It does not make a losing strategy profitable.

What pyramiding is

Pyramiding in forex is a related idea applied inside a trade. You open a position, and if price moves in your favour, you add further positions in the same direction. A losing position is never added to. That separates pyramiding from averaging down.

The two ideas differ in timing:

Many trend-following systems use pyramiding. The Turtle trading system is an often-cited example.

Typical rules traders use

Traders who use these methods usually write rules like these into a trading plan:

• Risk as a share of equity. Each trade risks a fixed percentage of current equity. As equity rises, the lot size rises. As equity falls, it shrinks. This is the most common form of anti-martingale.
• Step-up and reset. Size grows after each win up to a cap. After a loss, it resets to the base size.
• Add only at defined levels. In pyramiding, new units are added only after price passes a set distance or a structure level, not on impulse.
• Smaller additions. Each added unit is the same size as the original or smaller, so the average entry does not sit too close to current price.
• Trailing stop on the whole position. A trailing stop is a stop-loss that follows price. When units are added, the stop for all units is moved so the combined position has a defined maximum loss.
• A cap on total exposure. A ceiling on total lots or total margin, whatever the streak.

How it loses money

Increasing size after wins feels safe because you are "using the market's money." That label hides the actual risks.

Giving back gains at the largest size

Under step-up rules, your biggest position comes at the end of a winning streak. A streak always ends with a loss, so that loss lands on your largest trade. A single loss at peak size can erase much of what the streak earned.

Reversals in a pyramid

In a pyramid, the latest units are bought or sold at the worst prices of the move. When price reverses, those units lose first. If the stop is not moved tightly enough, the reversal can turn an open profit into a closed loss on the whole position.

Average entry drifting toward price

Each addition moves the average entry closer to current price. A normal pullback that the original position could absorb can then push the combined position into a loss.

Gaps, slippage and spreads

Stops are not guaranteed. Price can gap over a stop during news or market opens, and the order fills at a worse price. Slippage means a fill at a different price from the one requested. Its cost is largest when the position is largest. Spreads also often widen in those moments. For costs on gold, see XAUUSD spread. Overnight positions also carry swap fees, which grow with size.

Margin and stop-out

Margin is the deposit your broker holds to keep a leveraged position open. A larger pyramided position uses more margin. If price moves against it, free margin falls fast. At the stop-out level, the broker closes positions automatically, often at poor prices.

Streaks are random

A run of wins does not mean the next trade is more likely to win. Adding size because you "feel in form" is a trading psychology trap, not an edge.

A hypothetical example

This example is hypothetical. It does not describe real results.

A trader risks a fixed small share of equity per trade on EURUSD. After a few wins, equity is higher, so each new trade carries a larger lot size. The trader also adds a unit to an open winning position after price clears a recent high.

The next move reverses sharply on a news release. The added unit hits its stop with slippage. The original unit closes near breakeven. Because both trades were sized at the account's peak, this single reversal removes a large part of the streak's gains.

Nothing in the sizing rule caused the reversal. The rule only made the loss larger than it would have been at base size.

Testing the idea before using it

The outcome of any sizing rule depends on win rate, average win against average loss, and the order of results. A Monte Carlo simulation reshuffles possible outcomes many times to show the range of results and drawdowns. A drawdown is the fall from an equity peak to a later low.

The simulator models a fixed-risk strategy. It is a model, not a forecast. Use it to see how wide drawdowns can be, then compare that with backtesting and forward testing on a demo account. For general position sizing, see risk management and the calculators.

Leveraged forex and CFD trading can lose money fast, and larger size after wins makes each loss larger. Pakistani residents should also read our page on law and regulators before trading with any offshore platform.

Frequent questions

Is anti-martingale safer than martingale?

It avoids adding to losers, which removes martingale's main danger. It still concentrates risk at peak size, so losses can be large when a streak ends.

Is pyramiding the same as averaging down?

No. Pyramiding adds only to positions already in profit. Averaging down adds to losing positions.

Does risking a fixed percentage of equity count as anti-martingale?

Yes. Size grows as equity grows and shrinks as it falls, which matches the anti-martingale principle.

Can pyramiding turn a winning trade into a loss?

Yes. Later units are entered at worse prices, so a reversal can wipe out the open profit unless the stop for the whole position is managed.

Does the simulator predict my results?

No. It shows a spread of possible outcomes under the inputs you give it. Real trading includes costs, gaps and behaviour that a model does not capture.