Combining Strategies: Diversification That Actually Works

[Fairman]

Combining Strategies: Diversification That Actually Works

Running two strategies can smooth your results, but only if they behave differently. Two strategies that win and lose together provide no diversification.

The key measure is correlation of returns. If one strategy trades trend breakouts on EUR/USD and another trades trend pullbacks on EUR/USD, they will often lose in the same choppy periods. A trend strategy and a mean-reversion strategy tend to complement each other, since one thrives when the other struggles.

Diversifying across pairs helps, but beware that many pairs share the dollar. Five dollar pairs may be one bet. Crosses and different currency groups add real variety.

Timeframes and sessions provide another dimension. A swing strategy on daily charts and an intraday strategy in the London session are unlikely to be perfectly aligned.

Allocate risk, not just capital. Decide the risk per trade for each strategy so that combined exposure stays within your total open risk cap.

The costs are complexity and attention. Each strategy needs its own tracking, review, and discipline. Beginners often benefit from mastering one approach before adding another.

Check the combined equity curve. A good combination has shallower drawdowns than either component alone.

Do not add a strategy just to feel busy.

Practical step: line up the monthly results of two approaches and see whether their good and bad months overlap.

[Fairman]

The five dollar pairs point is so common. Buying euro, pound and aussie against the dollar at the same time can feel like three ideas, but it's really one bet against the dollar at three times the risk.

[Fairman]

Agree with mastering one first. Adding a second setup before the first is solid mostly doubles the journal work and makes it harder to tell which one is actually losing.