Jim Cramer: Three ways the stock market will flip if the U.S.-Iran war ends

S&P 500 rose 2.91% and the Nasdaq Composite gained 3.83% after headlines suggesting de-escalation in the U.S.-Iran conflict. Jim Cramer says yields (10-year Treasury) should fall materially as war-related inflation pressures — including fertilizer, polyethylene and aluminum — unwind, which would lift growth stocks (Nvidia +5.5%, Marvell ~13%) and expand P/E multiples. He also expects a rally in big banks as dealmaking resumes (Goldman Sachs ~+5%, Morgan Stanley ~+4%).

Analysis

A ceasefire-like de‑risking path removes a non-market risk premium and works through three overlapping channels: discount‑rate compression (lowers terminal yields and re-rates high‑duration cash flows), working‑capital/input‑cost normalization (fertilizer, polyethylene, aluminum margins unwind with multi‑quarter lags), and sentiment‑driven fee activity (M&A and ECM revive quickly). Expect most of the valuation rerate to occur in the first 1–3 months after visible de‑escalation as option/volatility premia compress and passive flows reconcentrate into top growth names; the second wave — real economy CPI/EBITDA benefits from cheaper inputs — will take 3–9 months to prove out.

Second‑order winners differ by exposure: fee‑heavy banks (investment banking/markets) should outperform regional depositors if deal pipelines reopen, while commodity processors and food companies are asymmetric beneficiaries of falling fertilizer cost because farmer input savings hit margins on the downstream P&L only after the next planting/harvest cycle. Conversely, commodity producers whose returns priced in war premia (fertilizer/miners, petrochemical merchants) are the latent losers and can underperform even as equities broadly rally.

Key risks that can reverse this trade are asymmetric and fast: a tactical re‑escalation or shipping incident can reprice insurance and tanker rates in days; a Fed that interprets lower oil as insufficient to offset sticky shelter/labor inflation could keep real rates higher for longer and cap multiple expansion; and inventory draw/rebuild dynamics in petrochemicals can produce whipsaws over quarters rather than a clean, monotonic decline in input costs.

Key Decisions for Investors

• Long NVDA LEAP call spread (buy Jan‑2028 350C / sell Jan‑2028 600C) — entry within 2 weeks of any pullback or once 10y Treasury yield trades 25–50bp below current levels. Rationale: capture multi‑quarter multiple expansion while financing premium; target 40–80% gross return if NVDA re‑rates 20–40% and implied vol compresses, max loss = net premium paid (~100%).
• Pair trade: Long GS (buy shares or Mar‑2025 call spread) vs short regional bank ETF (KRE) equal dollar notional — 3–12 month horizon. Rationale: monetizes faster revival in fee activity vs continued NII pressure at regionals; target asymmetric 20–30% outperformance for GS vs KRE if M&A flow normalizes, tail risk is broad market selloff hitting both legs.
• Long ADM or BG (6–12 month) — buy shares on <5% pullback; alternatively buy Sep‑2025 calls. Rationale: downstream food/processing firms capture margin tail from lower fertilizer/polymer inputs with a lag; expect 10–25% upside as input costs normalize across planting/processing cycles, downside tied to global crop shocks or commodity price snapbacks.
• Portfolio hedge & sizing: reduce short‑dated high‑delta exposure and replace with longer dated directional exposure; buy 2–4% notional of SPX 3‑month puts as event insurance while redeploying 1–2% notional into tech LEAPs. Rationale: preserves upside participation if peace ushers risk‑on but limits portfolio damage from a re‑escalation shock.