Cautious US session as Nikkei surges 3.66%

Wall Street's August 5th session closed with a cautious tilt, consistent with a market leaning toward risk-off today without major drama. The Nasdaq fell 0.83% (z=−0.8), the S&P 500 slipped 0.17% (z=−0.3), while the Dow Jones managed a 0.49% gain (z=0.5), reflecting rotation toward more defensive names within the US market itself. The VIX rose 4.0% to 16.5, though the volatility term structure remains in contango (VIX/VIX3M ratio of 0.85), ruling out any acute stress signal. Gold gained 0.36% in a modest flight to safety, while oil lost ground (WTI −0.65%, Brent −0.49%). In Asia, the contrast was stark: the Nikkei surged 3.66% (z=2.0), the sharpest move of the day among tracked assets. In Europe, the EuroStoxx (FEZ) fell 0.17% and Germany's DAX (EWG) 0.46%, while Spain (EWP) added 0.29%. Overall, a quiet day in terms of magnitude, but with an undertone more defensive than expansive.

In equities, the Nasdaq led losses with −0.83% (z=−0.8), followed by the S&P 500 at −0.17% (z=−0.3); the Dow Jones was the positive exception at +0.49% (z=0.5). The Nikkei stood out with +3.66% (z=2.0), well above the rest. In Europe, FEZ fell 0.17%, EWG 0.46%, and EWP gained 0.29%.

In commodities, WTI dropped 0.65% and Brent 0.49%, with the Brent-WTI spread at $4.33, somewhat above the historical median reference of $3.5. Gold rose 0.36%.

In currencies, EUR/USD barely moved (−0.04%), USD/JPY fell 0.02%, and the broad dollar index rose 0.02%, sitting at 119.70, 0.40% below its 50-day moving average.

In crypto, bitcoin gained 0.85%, ether 2.06%, and solana 0.38%, while XRP fell 1.11%.

The VIX closed at 16.5, up 4.0% from the prior session's 15.86.

The yield curve remains normal on both segments: the 10-year/2-year spread stands at 0.45 percentage points, 698 days since its last inversion crossing, and the 10-year/3-month at 0.74 points, 292 days since its last crossing. Neither has re-inverted.

Credit continues to show calm: the high-yield spread (HY OAS) sits at 2.73 percentage points, low by historical standards (z=−0.9 versus the past year), with no signs of stress.

The broad dollar trades at 119.70, 0.40% below its 50-day moving average, with no recent crossing.

30-day correlations show movement: the S&P 500-10-year yield relationship has weakened to −0.32 from a prior −0.71; the S&P 500-broad dollar link moved from −0.57 to −0.39; and the S&P 500-oil (WTI) correlation has strengthened in negative territory, from −0.24 to −0.57.

Market breadth shows 58.8% of the 17 tracked assets trading above their 50-day moving average, but only 41.2% above their 200-day average, signaling that underlying momentum is more limited than recent strength suggests.

The VIX term structure remains in contango, with a VIX/VIX3M ratio of 0.85 (versus 0.84 the prior session), well below the 1.0 threshold that would mark backwardation and stress.

The VIX/VIX3M ratio holds at 0.85, still within calm territory, but its path toward the 1.0 threshold that would signal a shift in the volatility regime is worth following.

The Brent-WTI spread, at $4.33, sits above the historical median reference of $3.5, with a 20-day change of just $0.11; not an alert, but worth monitoring if the gap keeps widening.

The S&P 500-10-year yield correlation has weakened notably, from −0.71 to −0.32, a regime shift in the stocks-rates relationship worth tracking in coming sessions.

Breadth above the 200-day average, at 41.2% of assets, sits well below the 58.8% marked by the 50-day average, a divergence indicating that short-term strength is not yet confirmed over the medium term.