Prof. Jeremy Siegel lays out the tail risks of the Iran war

Watch on YouTube ↗  |  April 13, 2026 at 20:16  |  4:14  |  CNBC
Speakers
Jeremy Siegel — Professor of Finance, Wharton School

Summary

Jeremy Siegel discusses the market's resilience amid the Iran war, highlighting tail risks such as oil price spikes and market volatility dependent on geopolitical outcomes. He outlines scenarios where a deal with Iran could lead to all-time highs, while escalation could cause oil to surge and markets to fall. The conversation emphasizes the importance of Iran developments and strong earnings in driving market direction.

  • Siegel notes the S&P 500 is near all-time highs despite geopolitical tensions.
  • He presents best-case (deal with Iran) and worst-case (escalation) scenarios for markets.
  • Oil prices could spike to $150 if conflict damages oil facilities.
  • The war provides economic stimulus through increased defense department purchases.
  • Market participants are focused on earnings rather than oil and war concerns.
  • Iran developments are identified as the key near-term driver for market moves.
  • Siegel mentions that consumer impact from oil prices may be offset by stimulus.
  • CEO forecasts on oil price impacts are highlighted as important to watch.
Trade Ideas
Jeremy Siegel Professor of Finance, Wharton School 1:27
S&P 500 hinges on Iran deal outcome.
If a deal is reached with Iran, the S&P 500 will hit all-time highs; if conflict escalates with resumed bombing, the market will sink back, making Iran developments the key near-term driver.
Jeremy Siegel Professor of Finance, Wharton School 3:05
Oil could spike to $150 if conflict worsens.
In a worst-case scenario where Iran inflicts major damage on oil ports and facilities, oil prices could spike to $150 per barrel, leading to market lows similar to March.
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This CNBC video, published April 13, 2026, features Jeremy Siegel discussing SPY, WTI. 2 trade ideas extracted by AI with direction and confidence scoring.

Speakers: Jeremy Siegel  · Tickers: SPY, WTI