How long will the bull market last?

US markets are clearly in a bull phase, with the Dow, S&P 500 and Nasdaq making strong gains. A rising Freight Transport Index highlights the broad up-turn in economic activity.

Freight Transport Index

Low corporate bond spreads — lowest investment grade (Baa) minus 10-year Treasury yield — and VIX below 15 both reflect bull market conditions.

Bond Spreads

Real GDP is growing around a modest 2 percent a year. Low figures are likely to continue, with annual change in hours worked (total payroll * average weekly hours) falling to 1.2 percent in September.

Real GDP

Money supply (M1) growth recovered to a balmy 7 percent (p.a.) after a worrying dip below 5 in early 2016.

M1 Money Stock

The Fed may be reluctant to tighten monetary conditions but will be forced to act if inflation starts to accelerate. Annual growth in hourly wage rates turned above 2.5 percent in September, signaling underlying inflationary pressure.

Average Hourly Wage Rate - Annual Growth

Another dip in M1 below 5 percent growth would warn that monetary conditions are tightening. From there, it normally takes 12 months to impact on the broad market indices.

M1 Money Stock and Fed Funds Rate

At this stage it looks like another 2 years of sunshine before the storm. But one false tweet and we could face an early winter.