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Iran conflict sparks worst hedge fund losses since Covid

Reported by Hedgeweek
Apr 9, 2026· 3 min read
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Key Takeaways
  • • The HFRI Fund Weighted Composite Index fell 2.8% in March 2026, marking the largest single-month decline since June 2022 and the worst performance since the March 2020 Covid crash, driven by US-Israel conflict with Iran, oil price spikes, and elevated volatility across markets.
  • • Equity Hedge strategies suffered the most severe losses, with the HFRI Equity Hedge (Total) Index down 4.3%—its sharpest decline since March 2020—with Fundamental Growth funds falling 6.8% and Multi-Strategy funds down 6.4%.
  • • Long volatility strategies capitalized on market turbulence, posting a 2.4% gain, while volatility-focused relative value funds gained 2.6%, demonstrating clear bifurcation between defensive and offensive positioning during the geopolitical shock.
  • • Fixed income relative value strategies posted mixed results amid higher expected interest rates, with the overall HFRI Relative Value (Total) Index declining 0.7%, while sovereign and convertible arbitrage were among the largest laggards.
  • • Macro strategies declined 2.35% in March despite a 4.4% quarterly gain, with discretionary thematic and multi-strategy approaches most impacted, though systematic diversified and currency/oil positions provided partial offsets to broader losses.
Summary
Hedge funds experienced their worst monthly performance since the Covid-19 pandemic in March 2026 as geopolitical tensions between the US, Israel, and Iran ignited a broad market selloff. According to HFR data, the HFRI Fund Weighted Composite Index fell 2.8%, erasing early-quarter gains and leaving the first-quarter return at just 0.9%. The decline marked the largest single-month drop since June 2022 and reflected the pronounced market stress triggered by escalating conflict, surging oil prices, and a historic volatility spike that reverberated across equities and fixed income assets.

Equity-focused hedge funds bore the brunt of the losses. The HFRI Equity Hedge (Total) Index declined 4.3%—its worst performance since March 2020—with concentrated damage in fundamental growth and multi-strategy approaches, which fell 6.8% and 6.4% respectively. Smaller losses appeared in Energy, Healthcare, and Market Neutral strategies, suggesting that tactical positioning and sector diversification provided limited protection against the broad equity selloff. This performance underscores the difficulty in hedging tail risks during sudden geopolitical shocks that simultaneously drive both equity repricing and volatility expansion.

The conflict created pronounced divergence across hedge fund strategies. Long volatility funds emerged as beneficiaries, with the HFRI Long Volatility Index posting a 2.4% gain as market turbulence spiked. Similarly, volatility-focused relative value funds gained 2.6%, demonstrating that strategies explicitly designed to capture elevated vol regimes functioned as intended. Conversely, the broader HFRI Relative Value (Total) Index declined 0.7% as investors adjusted to higher expected interest rates, with sovereign and convertible arbitrage strategies posting among the largest losses. Macro strategies also struggled, with the HFRI Macro (Total) Index falling 2.35% in March, though discretionary approaches suffered more than systematic currency and oil-hedged positions. Event-driven funds saw moderate declines, with activist and special situations strategies down 4.9% and 3.5% respectively, while distressed and merger arbitrage posted small gains.

The scale of March's losses reflects the speed and intensity of market repricing during geopolitical crises, where traditional correlations break down and leverage becomes a liability rather than an amplification tool. Kenneth Heinz, HFR President, attributed the performance to "daily shocks and geopolitical developments," highlighting the compressed timeframe in which markets reassessed risk. For investors and fund managers, the results underscore the persistent challenge of constructing truly diversified hedge portfolios capable of navigating simultaneous dislocations across asset classes, sectors, and volatility regimes.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Hedgeweek Iran conflict sparks worst hedge fund losses since Covid