Sensex Crashes Over 700 Points as US-Iran Tensions Drive Oil Surge

The Quick Take

• Sensex fell over 700 points in morning trade as US-Iran military exchanges drove crude oil sharply higher
• India VIX surged 10%, signaling elevated investor fear and broad-based options hedging activity
• Nifty 50 tested the critical 24,000 psychological support level during peak intraday selling
• Strait of Hormuz closure claims by Iran underpinned the crude spike that anchored the selloff narrative
• Mid-cap and small-cap indices also declined, confirming the broad-based nature of the risk-off move

Indian equity markets opened sharply lower Monday as escalating US-Iran military tensions triggered fresh global risk-off sentiment. The Sensex declined more than 700 points while the Nifty 50 tested the psychologically critical 24,000 level. India's volatility index VIX surged 10%, signaling heightened investor anxiety. The selloff was broad-based across market caps, reflecting the indiscriminate nature of panic triggered by Middle East conflict that introduced fresh uncertainty into global supply chains and energy markets at the start of the trading week.

Five key macro factors converged to intensify selling: surging crude oil prices above key resistance, rising inflation expectations globally, Strait of Hormuz closure fears disrupting energy supply chains, strengthening US dollar, and Federal Reserve rate hike delay concerns. India's high oil import bill makes its markets particularly vulnerable to crude spikes, and the 1% intraday decline understated the depth of bearish sentiment visible in derivative positioning, where put-call ratios shifted sharply toward protective hedging across Nifty and Bank Nifty options chains during the session.

Investor attention will shift to Fed Chair testimony and US CPI data later this week for rate trajectory cues. Sustained crude above $90 per barrel could rekindle stagflation fears and force the Reserve Bank of India into a hawkish pivot, compressing near-term earnings estimates. Technical support at Nifty 24,000 will be closely watched; a decisive breach could trigger stop-loss selling toward 23,500, while any Middle East de-escalation news would likely generate an equally sharp recovery rally given the event-driven nature of Monday's selloff.

Source: Mint Markets (Tier 1) — July 13, 2026