There will be clear winners and losers across global stock markets if the US and Iran reach a peace deal this weekend.
Markets are already positioning for that outcome. Capital is moving ahead of any formal announcement, reflecting expectations that tensions will ease, energy flows will stabilise, and global growth prospects will improve.
A 10-day ceasefire between Israel and Lebanon has helped shift sentiment. Oil has retreated from recent highs, and equities are ending the week on firmer footing. Optimism around potential diplomacy between Washington and Tehran is building, and markets are responding in real time.
If a deal materialises, the rotation across sectors will be swift and decisive.
Energy markets sit at the centre of this shift. have carried a substantial geopolitical premium for months, driven by instability in the Gulf and risks around the Strait of Hormuz. moved above $100 earlier this week and, even after pulling back into the high-$90s, remains significantly elevated compared to roughly $60 at the start of the year.
Remove that premium, and prices fall. The implications for energy producers are immediate. Oil majors and exporters have benefited from constrained supply and elevated margins throughout the conflict. A sustained move lower in crude will pressure revenues, compress earnings expectations, and weaken sentiment toward the sector.
Markets tend to adjust faster than many anticipate. Positioning built around prolonged uncertainty can unwind quickly once clarity emerges.
Attention is already shifting toward sectors that stand to benefit from lower energy costs and improved visibility on global growth.
Industrials, transport, and consumer-facing businesses are among the most direct beneficiaries. Lower input costs support margins across manufacturing and logistics, while reduced fuel prices provide immediate relief for airlines and freight operators. At the same time, easing inflationary pressure strengthens consumer spending power, creating a more supportive backdrop for discretionary sectors.
Financials also stand to gain from a more stable macro environment. Reduced geopolitical stress supports lending activity, capital markets issuance, and broader investor confidence. Risk appetite expands, feeding directly into bank earnings and valuations.
Tech and growth stocks, which have already driven much of the strength in US equities, could extend their leadership. A clearer global outlook reinforces the case for companies delivering sustained earnings growth and innovation. Lower volatility and more predictable rate expectations support valuations across the sector.
The adjustment is unlikely to be gradual. Markets have spent months pricing in disruption, supply risk, and elevated uncertainty. Confirmation of a peace deal would trigger a rapid reallocation of capital, away from defensive and commodity-linked assets and toward sectors tied to expansion and consumption.
Geography will play a critical role.
Emerging markets that rely heavily on energy imports stand to benefit significantly. Lower oil prices improve trade balances, ease inflation pressures, and support domestic growth. Equity markets in these regions could attract strong inflows as global investors reposition.
By contrast, economies and markets that have relied on elevated commodity prices face a more challenging outlook. Currency strength linked to high energy prices could reverse, while equity performance may soften as earnings expectations are revised lower.
Global equities have shown notable resilience throughout the recent conflict. The S&P 500 continues to print record closes, supported by strong earnings and confidence that disruption will be contained. The sits within reach of its own peak, while Asian markets are tracking a second consecutive week of gains.
Such resilience reflects confidence that geopolitical risks will not derail the broader growth trajectory. A US-Iran agreement would reinforce that view and accelerate the shift already underway in investor positioning.
A deal would mark a clear inflection point for markets. The winners and losers will emerge quickly.