Market Overview

U.S. equities suffered a clean sweep of red sessions this week — S&P 500 and Nasdaq composite down every day — as the market finally priced a more hostile rate regime into stretched multiples (WSJ Markets). The vol surface has repriced accordingly: near-dated skew is bid, dealers are short gamma into quarter-end, and systematic de-grossing is amplifying intraday moves in a tape with deteriorating breadth. Energy-driven inflation at 4.1% PCE and core at 3.4% has gutted the rate-cut optionality that underpinned the Q1 re-rating, leaving equity risk premium compression looking dangerously thin at current SPX forward P/Es. CME FedWatch now prices a 79% probability of a hike by December — a full regime flip from the easing bias that was consensus six weeks ago — which is repricing duration-sensitive tech and rate-proxy sectors hardest. Cross-asset flows confirm the rotation: real yields are rising, the long end is selling off, and credit spreads are quietly widening, suggesting this is not a garden-variety dip but a genuine recalibration of the macro regime underpinning the 2025 bull run.

The Fed's political geometry just shifted in a way that matters: with May PCE inflation printing 4.1% year-over-year and core at 3.4%, the Trump White House has quietly shelved its rate-cut demands, handing new Chairman Kevin Warsh a rare window of operational independence (CNBC). Warsh and the FOMC already dropped their easing bias at the last meeting, and nearly half of policymakers penciled in a hike for 2025 in the dot plot — markets have now caught up, pricing a 79% probability of at least one increase by December with zero cuts expected. The political architecture is more nuanced than it appears: Navarro pivoted from cut-caller to hold-advocate in a single op-ed, Bessent told markets to "keep an open mind" on the other side of the Iran shock, and Hassett blessed a steady first meeting — all within days of each other, which is not a coincidence. Energy prices have eased since the Strait of Hormuz deal — gas down 58 cents a gallon in a month — but with Iranian forces attacking a cargo ship in the strait Thursday, the disinflation case rests on a geopolitical assumption that is far from settled. The fixed income implication is stark: the front end is now the pain trade, 2s are repricing a hiking cycle the long end is only partially acknowledging, and the Warsh Fed's credibility premium may compress the term premium relief that longer-duration risk assets were counting on.

Jeremy Grantham, GMO co-founder and serial bubble-caller, told CNBC that U.S. equities now sit at the most extreme valuation in American history, with the market-cap-to-GDP ratio — the so-called Buffett Indicator — printing at 235%, well past the 200% threshold Buffett himself once called 'playing with fire.' The closest historical analog is the 2000 Nasdaq bubble, and Grantham drew an explicit parallel to Amazon's 92% post-peak collapse before its eventual dominance, applying the same arc to SpaceX's roughly $2 trillion public-market debut — which he called 'one of the defining peaks of all time.' Vol surface context matters here: when single-name euphoria bleeds into mega-cap private-to-public transitions at these multiples, skew tends to understate left-tail risk badly, and dealers short gamma into momentum are the last to know. Cross-asset flows reinforce the warning — capital concentration in AI proxies has compressed risk premia across the entire U.S. large-cap complex, leaving the index structurally long duration and momentum simultaneously, two factors that unwind badly together. Grantham's timing calls have been notoriously early — he flagged similar concerns in March 2024 as the S&P kept grinding — but the regime diagnosis (peak animal spirits, parabolic private valuations, narrative-driven allocation) is a harder argument to dismiss at 235% market cap to GDP than it was at 190%.