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Brittle Peace, Fragile Trends: CTAs Battle April Volatility

Reported by HedgeNordic
May 7, 2026· 3 min read
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Key Takeaways
  • • The NHX CTA Index posted positive returns in April despite significant trend reversals triggered by the U.S.-Iran ceasefire announcement, with performance heavily dependent on whether equity gains offset losses in fixed income and commodities across individual managers.
  • • Time-series momentum strategies faced headwinds in early April as RPM's Market Divergence Index (MDI) plunged amid multiple trend reversals, though the index stabilized around long-term averages in the latter half of the month as equity rallies offset directionless commodity movements.
  • • U.S. equities surged to record highs following the ceasefire announcement, supported by strong corporate earnings and peace deal optimism, while the dollar depreciated significantly against major currencies on weaker-than-expected economic data and the Japanese yen strengthened more than 2.5 percent toward month-end following reported intervention.
  • • Oil prices demonstrated volatility centered on geopolitical developments: initial sharp declines followed the Strait of Hormuz reopening agreement, but prices rebounded to $110 per barrel as U.S.-Iran peace negotiations stalled, while cotton prices rallied to an 11-month high driven by U.S. supply concerns and stronger demand.
  • • Fixed income yields remained broadly flat as investors balanced competing signals from rising inflation expectations against economic slowdown indicators, creating a challenging environment for multi-asset CTAs navigating cross-market divergence.
Summary
April proved a challenging month for commodity trading advisors navigating a fragile geopolitical backdrop. The NHX CTA Index delivered positive returns despite the month's inherent complexity, but performance divergence across strategies and managers reflected the difficulty of positioning during periods of rapid trend reversals. The primary driver was a ceasefire between the U.S. and Iran announced early in the month, which triggered immediate repricing across multiple asset classes and created the whipsaw conditions that tested time-series momentum approaches.

Early-month momentum deteriorated sharply. RPM's Market Divergence Index (MDI), a key measure of time-series momentum effectiveness, plunged during the first half of April as trend-following signals proved unreliable amid the ceasefire-driven reversals. The situation stabilized in the latter half of the month as market directionality improved, with the MDI settling around long-term average levels. This bifurcated performance meant that managers with strong positioning in the second half of April could offset early-month losses, though timing and position sizing proved critical.

Equity markets were the primary source of gains for many CTAs. U.S. stocks surged to new record highs following the ceasefire announcement, driven by strong corporate earnings reports and investor optimism regarding a potential comprehensive U.S.-Iran peace agreement. This equity strength provided crucial ballast for multi-asset strategies suffering losses elsewhere. Currency markets delivered conflicting signals: the U.S. dollar reversed its earlier strength and depreciated significantly against a basket of major currencies, triggered by weaker-than-expected economic data released during the month. The Japanese yen strengthened more than 2.5 percent against the dollar toward month-end following reports of intervention by Japanese authorities attempting to support the currency.

Fixed income presented a neutral backdrop for most of the month. Bond yields remained broadly unchanged as investors struggled to reconcile rising inflation expectations against emerging signs of economic slowdown, leaving rates-sensitive CTAs with few directional opportunities. Commodity markets, by contrast, generated significant trading flows. Oil prices declined sharply initially following an agreement to reopen the Strait of Hormuz—a crucial shipping chokepoint for global energy supplies—but rebounded to approximately $110 per barrel as diplomatic progress stalled and Washington and Tehran made little headway toward a comprehensive peace deal that would unlock meaningful additional energy supplies. Cotton prices rallied to an 11-month high, driven by supply concerns within the United States and rising demand. This commodity volatility created winners and losers depending on individual fund positioning and timing of entry and exit points.

Nordic trend-following managers delivered mixed results for the month, with performance divergence reflecting the challenges inherent in adapting to rapid regime shifts and geopolitical shocks within a single month.

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HedgeNordic Brittle Peace, Fragile Trends: CTAs Battle April Volatility