Amid rising Middle East tensions and Fitch’s NZ outlook downgrade, NZD/USD slips under 0.5850 in Asia

    by VT Markets
    /
    Mar 23, 2026
    NZD/USD eased to about 0.5830 in early Asian trading on Monday, moving below 0.5850. The fall came as demand rose for safe-haven currencies such as the US Dollar during Middle East tensions. Iran’s military said it would fully close the Strait of Hormuz if the US bombs Iranian power plants. Donald Trump gave Iran 48 hours to reopen the strait to shipping or face attacks on its energy infrastructure.

    Fitch Downgrade Adds To Kiwi Dollar Headwinds

    Fitch Ratings cut New Zealand’s Long-Term Foreign-Currency Issuer Default Rating outlook to negative from stable, while keeping the rating at ‘AA+’. Fitch linked the Iran conflict to risks for New Zealand’s economy due to its reliance on energy imports. The Reserve Bank of New Zealand’s hawkish stance may limit further NZD falls. Markets are pricing in close to a 50% chance of a rate rise as early as May 2026. We see the NZD/USD pair under significant pressure from the conflict in the Middle East, which is driving a flight to safety. With the US Dollar acting as a primary safe haven, traders should consider buying NZD/USD put options to speculate on further downside in the coming weeks. These geopolitical risks are immediate and tend to outweigh other factors in the short term. The Fitch outlook downgrade to negative directly highlights New Zealand’s vulnerability to energy shocks, a fear now becoming a reality. We’ve seen WTI crude oil prices surge over 15% in the last week to over $95 a barrel since the threats to the Strait of Hormuz began. This directly hurts New Zealand’s terms of trade and reinforces the bearish case for the Kiwi dollar.

    Options Volatility Spikes As Traders Reprice Risk

    Reflecting this uncertainty, we have watched implied volatility on one-month NZD/USD options jump to over 15%, a sharp increase from the calmer markets we observed in late 2025. Such high volatility makes strategies like straddles interesting, as they can profit from a large price move if tensions suddenly escalate or de-escalate. Selling options can also be attractive due to the high premium, but it carries significant risk. While the market is pricing in a potential RBNZ rate hike in May, this is currently being overshadowed by the overwhelming strength of the US dollar. Remember, the US Federal Reserve has maintained its own firm stance after recent US inflation data came in above expectations at 3.2%. Therefore, any potential gains for the NZD from rate hike speculation are likely to be muted as long as the geopolitical situation remains tense. Create your live VT Markets account and start trading now.

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