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FRM Exam Part II · Hedge Fund Investment Strategies

Global Macro, Managed Futures and CTA Strategies Explained

Updated 11 October 2026 · Fact-checked

Global macro funds take discretionary directional bets on currencies, rates, equities and commodities based on economic views. Managed futures funds, run by CTAs, follow systematic rules, mostly trend following. Trend followers behave like a long lookback straddle, so they lose in choppy markets and often gain in prolonged crises.

Understand Global Macro, Managed Futures and CTA Strategies

Global macro funds trade across asset classes and countries. The manager forms a view on growth, inflation, interest rates, policy or currencies, then expresses it with liquid futures, forwards, swaps and cash instruments. Most are discretionary: a human decides. Positions are often directional and leveraged, so returns can be lumpy and tied to a few big calls. They are not market neutral.

Managed futures funds are run by CTAs (commodity trading advisors, registered to advise on futures). Most are systematic: computer rules set position size and direction. The core rule is trend following. Buy what has risen over a lookback window and sell short what has fallen. Position size is usually scaled by volatility, so each market contributes similar risk.

The key difference: global macro is discretionary and view-based, often fundamental. CTAs are rules-based and price-driven. Both trade liquid instruments, so liquidity risk is lower than for many other hedge fund strategies. Both can go long or short, which matters in falling markets.

Trend following has a payoff like a lookback straddle. A lookback call pays the gain from the lowest price to the final price. A lookback put pays the gain from the highest price to the final price. A straddle holds both, so it pays when there is a big move in either direction, and the payoff is the range over the period. A trend follower captures a large part of the trend, but pays for this through repeated small losses (whipsaws) when prices reverse without a lasting trend. Fung and Hsieh showed this link and used it to build trend-following factors.

This gives a convex, crisis-friendly return pattern. In sustained equity bear markets such as 2008, many CTAs gained because they were short equities and long bonds as trends developed. Returns are positively skewed in the best cases, with low average correlation to equities. The weak spot is a sharp reversal after a trend is established, or a range-bound market with no trend. That is why these funds help diversification but are not a guaranteed hedge.

Key formulas to remember

Trend-following signal (moving-average rule)
Long if short-term average price > long-term average price; short if <
Typical systematic rule. Direction follows the recent trend, not a forecast of fundamentals.
Volatility-scaled position size
Position = target risk contribution ÷ asset volatility
Higher-volatility markets get smaller positions so each market adds similar risk.
Lookback call payoff
S(T) − min S(t) over the period
Always ≥ 0. Buys at the lowest price in hindsight.
Lookback put payoff
max S(t) − S(T)
Always ≥ 0. Sells at the highest price in hindsight.
Lookback straddle payoff
max S(t) − min S(t)
Equals the call plus the put. It is the price range over the period, so it is always ≥ 0 and rewards large moves in either direction.

How to solve Global Macro, Managed Futures and CTA Strategies questions

Use this order for any question on global macro, managed futures or CTAs.

  1. 1Identify the type of fund: discretionary global macro or systematic CTA/managed futures.
  2. 2Identify the market environment in the question: sustained trend, choppy range, sharp reversal, or crisis.
  3. 3Match the strategy's exposure: trend followers are long convexity (straddle-like), macro funds are directional on a view.
  4. 4For a payoff calculation, find the maximum and minimum price on the path, and the final price. Then apply the lookback formula.
  5. 5State the expected result: gains in a persistent trend, small losses in a range, losses on a sharp reversal.
  6. 6Check the diversification angle: low correlation to equities and positive crisis returns are tendencies, not guarantees.
  7. 7Eliminate options that call trend following mean-reverting, market neutral or illiquid.

Quickest way: Range, trend and fund type check

When to use it: Use when you have little time and the question asks for a payoff or a strategy match.

  1. Lookback straddle payoff = highest price − lowest price on the path. Ignore the final price.
  2. Trend or crisis question: pick the trend follower as the winner.
  3. Choppy or reversing market: pick the trend follower as the loser.
  4. Discretionary, view-based, cross-asset: global macro. Rules-based, futures, price signals: CTA.
  5. Reject any answer saying CTAs are market neutral or guaranteed to hedge.

Common mistakes in Global Macro, Managed Futures and CTA Strategies

  • Treating global macro and CTAs as the same strategy.

    Both trade futures and forwards across asset classes.

    Fix: Macro is discretionary and view-driven. CTAs are systematic and rule-driven, mostly on trends.

  • Computing the lookback straddle payoff using the final price.

    Students confuse it with an ordinary straddle that uses the strike.

    Fix: Use max − min over the whole path. The final price only matters for each leg separately.

  • Saying trend followers always profit in a crisis.

    Their strong 2008 record is overgeneralised.

    Fix: They profit when a trend persists. A sudden reversal can hurt them, as when trends reverse sharply after a crash.

  • Calling trend following a mean-reversion or short-volatility strategy.

    Confusion with relative value strategies.

    Fix: Trend following is momentum and long convexity. Its losses are small and frequent, its gains larger and rarer.

  • Assuming managed futures funds carry high liquidity risk.

    All hedge funds are lumped together.

    Fix: They trade liquid exchange-traded futures. Their main risks are whipsaws, leverage and model risk.

Worked examples

Example 1

Over one period a currency price moves along the path 100, 110, 90, 120. Calculate the payoff of a lookback straddle (lookback call plus lookback put).

Show the solution
  1. Final price S(T) = 120.
  2. Minimum price = 90. Maximum price = 120.
  3. Lookback call = 120 − 90 = 30.
  4. Lookback put = max − S(T) = 120 − 120 = 0.
  5. Straddle = 30 + 0 = 30, which equals max − min = 120 − 90 = 30.

Answer: 30

Example 2

A CTA following a 12-month trend rule ran in two periods. In period 1 equities fell steadily for nine months. In period 2 equities moved up and down in a narrow range with several reversals. Which result is most likely, and why?

Show the solution
  1. The CTA behaves like a long lookback straddle: it profits from a large, persistent move.
  2. Period 1 shows a sustained downtrend. The fund goes short equities as the trend forms and gains.
  3. Period 2 has no lasting trend. The fund enters positions, then reverses, producing repeated small whipsaw losses.
  4. So gains are likely in period 1 and small losses in period 2, consistent with positive convexity and low-cost, frequent losses.

Answer: Gain in period 1 and small losses in period 2.

Exam tips

  • Know the lookback straddle link: trend following equals long convexity, paid for by whipsaw losses.
  • Expect case questions asking which strategy suits a crisis or diversification need. Choose managed futures for trend-driven crises, with caveats.
  • Watch for the word discretionary versus systematic. It decides the macro versus CTA answer.
  • For payoff questions, write down max, min and final price before calculating.
  • Do not accept absolute words such as always or guaranteed in answer options about crisis performance.

Practice questions from Hedge Fund Investment Strategies

Global Macro, Managed Futures and CTA Strategies in other exams

The same ground in other exams, if you are preparing for more than one or want another angle on it.

Global Macro, Managed Futures and CTA Strategies: frequently asked questions

What is the difference between a CTA and a global macro fund?

A CTA is mainly systematic and follows price-based rules, usually trend following in futures. A global macro fund is mainly discretionary and bets on economic views across currencies, rates, equities and commodities. Both trade liquid markets and can go long or short.

Why does trend following resemble a lookback straddle?

A trend follower buys rising markets and sells falling ones, so it captures much of the move in either direction. A lookback straddle pays the price range, max minus min. Both gain from large moves and lose from choppy, reversing markets.

Why do managed futures perform well in crises?

In prolonged crises, trends form in equities, bonds, currencies and commodities. CTAs can short falling markets and go long rising safe havens. This gives positive returns when many other assets fall, although sharp reversals can hurt.

Are managed futures funds a reliable diversifier?

They tend to have low correlation with equities and a convex return pattern, which helps diversification. It is not guaranteed, because lack of trends or sudden reversals can produce losses at the same time as other assets.