Barclays told clients in a note on Tuesday that the unusual post-ceasefire market backdrop - where equities continue to climb even as oil rises - may prove difficult to sustain, warning that investors are "trading a flimsy equilibrium."
Analyst Stefano Pascale wrote that "the old playbook of oil up = equities down has cracked post-ceasefire, with stocks rallying even as Hormuz risks lift oil." Barclays cautioned, however, that "this is a flimsy equilibrium as stagflationary pressure keeps on building."
The bank observed that the breakdown in peace talks "has not reignited the war," but added that U.S. naval enforcement risks are tightening oil supply and leaving risk assets highly exposed to adverse headlines.
Barclays suggested that while a "near-term grind-higher in equities remains possible if the ceasefire holds and earnings surprise to the upside," the bank views the window for continued gains as inherently unstable. In that context, Pascale urged investors to "stay humble" and to approach upside exposure tactically through low-cost structures that exploit what he described as a "near-record negative oil/equity correlation."
The note also recommended taking advantage of recent market dynamics to refresh protective positions, saying the recent drop in volatility and the rapid equity rebound present a chance to reload hedges.
Separately, Barclays pointed to options pricing that it interprets as reflecting "elevated earnings risk" heading into the first-quarter reporting season. The bank noted implied moves at 5.8%, which it described as the third highest level in more than a decade.
Taken together, Barclays framed the environment as one in which markets may continue to grind higher in the short term if key conditions hold, but where structural vulnerabilities and event-driven supply risks could quickly undermine the rally.