JPMorgan Chase & Co.'s trading desk has warned that US stock traders are unprepared for a potential 10% correction in the S&P 500, triggered by escalating war risks involving Iran. The warning comes as market volatility increases amid geopolitical tensions that could significantly impact investor portfolios.

According to JPMorgan's analysis, the benchmark index could fall as much as 10% from its recent peak if the conflict intensifies. This level of correction would represent a substantial market pullback, potentially erasing billions in market value and testing the resilience of current bullish sentiment that has characterized US equity markets.

The warning from JPMorgan's trading desk highlights growing concerns about market complacency. With investors seemingly unprepared for such a correction, the potential for a sharp market reaction could be amplified if geopolitical tensions in the Middle East continue to escalate.