The Stock Market Is Shrugging Off the Israel-Iran Conflict. Is That Normal?

Stocks and oil prices diverged Monday as investors downplayed the risk of a wider Israel-Iran conflict, with the S&P 500 rising nearly 1% after Friday's sell-off. Historically, markets tend to quickly recover from geopolitical shocks unless they significantly impact economic growth or inflation, as seen with the 2022 Ukraine invasion which fueled already high inflation. While inflation has moderated, potential tariffs and further Middle East escalation pose risks to central bank rate cut expectations if inflation resurges.

Analysis

Financial markets demonstrated resilience on Monday, with major stock indices such as the S&P 500, Nasdaq Composite, and Dow Jones Industrial Average rising nearly 1%, 1.4%, and just under 1% respectively, while oil prices retreated, indicating investors are currently downplaying the immediate risk of the Israel-Iran conflict escalating into a wider oil-supply shock that would materially affect the global economy. This investor sanguinity was further evidenced by only a modest 2 basis point increase in high-yield credit spreads and the MSCI World Index closing just 1% below its all-time high, despite a volatile preceding Friday where oil surged and equities slid. Historical analysis from Deutsche Bank suggests such rapid market rebounds are typical following geopolitical shocks, with the S&P 500 historically falling about 6% in the three weeks post-event before recovering these losses in the subsequent three weeks; current historically low equity positioning, according to Deutsche Bank, further diminishes the likelihood of a larger sell-off. Crucially, sustained market impact from geopolitical events typically only materializes if they significantly affect the real economy by slowing growth or increasing inflation. The 2022 Russia-Ukraine conflict serves as a pertinent recent example, where an oil price surge of over 30% exacerbated already elevated inflation, compelling more aggressive central bank rate hikes. While current inflation has moderated to 2.4% year-over-year as of May, slightly above the Federal Reserve’s 2% target, the potential for resurgent inflation due to new tariffs or an escalation in Middle East hostilities poses a tangible risk, potentially restricting central banks from implementing the anticipated rate cuts, with markets currently pricing in at least 100 basis points by the end of next year.

Key Decisions for Investors

• Investors should closely monitor energy prices and leading inflation indicators, as a sustained increase driven by geopolitical events or tariffs is the primary catalyst that could shift the market narrative and challenge central bank easing expectations.
• Given historical precedents of rapid market recoveries from geopolitical shocks not impacting the real economy, consider maintaining a balanced view, but be prepared to adjust positioning if signs of broader economic contagion, particularly through inflation, emerge.
• Factor in the risk that persistent or re-accelerating inflation could significantly constrain central banks' ability to cut rates as currently priced by the market, thereby impacting valuations and growth outlooks.