According to Rick Rieder, BlackRock's global head of fixed income, $8 trillion to $9 trillion in cash held in money market funds is accelerating into risk assets following a U.S.-Iran peace arrangement on June 16. Rieder warned the capital reallocation could have an "explosive" effect on markets.
U.S. stocks and Treasury bonds rallied in sync Monday as capital flowed into riskier assets, while oil prices declined on expectations of Strait of Hormuz reopening. This week presents multiple headwinds: the "triple witching" expiration was moved up to Thursday due to Juneteenth closure on June 19, coinciding with S&P 500 quarterly rebalancing. Market volatility risks are elevated, with potential gamma squeeze pressures from accumulating dealer hedges if new Federal Reserve Chair Kevin Warsh signals unexpected policy shifts at his first press conference.