Fed Chairman Kevin Warsh just changed the rules for trading the jobs report: One Big Investment Idea

Wall Street will obsess over Friday's payroll numbers. Federal Reserve Chairman Kevin Warsh may barely flinch.

That is one of the clearest lessons from Warsh's first Jackson Hole speech as chair one week ago. He spent much of it arguing against the Fed guiding investors toward its next rate decision, then laid out a detailed framework for how he reads inflation, jobs, demand, corporate activity, and markets.

His current diagnosis leans hawkish. Jobs look solid, inflation pressures remain too high, and broad financial conditions do not look restrictive.

Every Fed chair watches data and markets. Warsh's distinction is that he wants to say less about the future rate path and make markets do more of the interpreting — part of his push to have markets guide the Fed rather than simply echo it .

Take Friday's jobs report. Warsh argued that a slowly growing labor force means the economy needs fewer new jobs each month to keep unemployment steady. He also singled out the four-week average of jobless claims as "an empirically robust real-time indicator."

So weak payroll growth by itself may not move him much. Weak payrolls paired with rising unemployment and a sustained climb in claims could.

Former Fed Vice Chair Alan Blinder told Yahoo Finance that Warsh's broad assessment of the economy amounted to forward guidance anyway: "I would call that forward guidance." Jim Bianco of Bianco Research said ahead of Jackson Hole that Warsh owed investors the Fed's "rules of the road" — the data and philosophy that turn incoming evidence into rate decisions.

Warsh largely delivered. Fed watching is now becoming reaction-function watching.

These are the five big lenses Warsh has emphasized and the evidence most likely to change his read.

Is inflation becoming less widespread and moving toward 2% fast enough?

PCE breadth (how widespread price increases are) + 6-month trend

Real consumer spending + private investment

Strong earnings or capex without the direction of change

Are markets making policy easier or tighter?

Reading a market move only as a Fed prediction

Rates, stocks, dollar, credit, volatility

Inflation works like jobs. Warsh said better summer CPI and PCE readings did not show that underlying inflation had "meaningfully improved." He also counted how many of the 199 PCE categories were rising faster than 3% — a direct measure of how widespread inflation remains.