Bond Yields Rise as Oil Surge and US-Iran Tensions Rattle Markets

Mumbai | 5 May 2026 

India’s sovereign bond yields rose three basis points on Monday as escalating geopolitical tensions in the Middle East sent crude prices surging and stoked inflation fears across emerging markets. 

The benchmark 10-year bond yield touched 7.0451%, up from 7.01% at the previous session’s close. Bond prices and yields move in opposite directions, meaning the sell-off in debt markets pushed yields higher. 

What Triggered the Bond Market Sell-Off? 

Iran attacked multiple ships in the Strait of Hormuz and ignited a fire at a UAE oil port, sending Brent crude prices sharply higher overnight. Brent traded near $114 a barrel following the incident. 

The US responded by affirming it would ensure passage through the Strait of Hormuz, putting a fragile ceasefire deal between the two countries under renewed pressure. 

Crude oil has risen around 60% since the US and Israel launched attacks on Iran on the last day of February. High crude prices worsen India’s inflationary outlook and put upward pressure on domestic bond yields. 

Rupee Tests Record Lows 

The rupee fell 22 paise to 95.31 against the dollar, testing record lows on crude supply concerns. The previous session had closed at a record low of 95.09. The rupee’s all-time low of 95.33 was recorded on 30 April 2026. 

Rising crude prices increase India’s import bill, widening the current account deficit and adding pressure on the domestic currency. 

RBI Bond Auction on 8 May 

The Reserve Bank of India is set to auction a new 10-year benchmark bond worth Rs 34,000 crore on 8 May. The sale is expected to influence the near-term direction of bond yields. 

Outlook 

The direction of bond yields in the coming sessions will depend on how crude prices evolve and how the US-Iran situation develops. The RBI’s Rs 34,000 crore bond auction on 8 May will be a key event for debt markets. 

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