At 10:00 am ET this morning, August 3, 2026, a single number will hit the terminals and reprice rate-hike odds and Treasury yields within seconds, with Bitcoin moving right behind. The ISM Manufacturing PMI is a diffusion index built from the monthly survey answers of more than 400 purchasing and supply executives at US factories, and any reading above 50 means the factory sector grew. The person who compiles that number, writes the report around it, and signs her name to it is Susan Spence, a retired FedEx procurement executive most traders could not pick out of a lineup.
This article publishes before the release, so everything below frames a number that has not printed yet. A September rate hike is a live debate inside the Fed, and July's factory reading lands in the middle of the argument. Knowing who writes the number, and how it gets made, tells you what the market will actually be reacting to at 10:01.
Why This Morning's Print Carries More Weight Than Usual
Consensus for today's July reading sits at 54.0, up from June's 53.3, according to the FXStreet economic calendar. June marked the sixth straight month of manufacturing expansion, and Spence's own June report noted the overall economy grew for "the 20th month in a row." So the question the market brings to 10:00 am is not survival. It is speed, and what that speed does to inflation.
That second part is where the stakes concentrate. The Prices subindex, the report's inflation thermometer, printed hot in June at a level that feeds directly into the case for tighter policy. With the fed funds rate at 3.50-3.75% and September hike odds around 57.6% on aggregated prediction-market pricing as of August 3, a factory-inflation number arriving hotter or cooler can move that debate in real time. Our oil and Iran coverage today walks through the full rate math, including why crashing crude complicates the hike case.
A warm-up act arrives at 9:45 am, when S&P Global's final July manufacturing PMI prints after a 53.8 flash estimate, but the ISM release fifteen minutes later is the one desks position around. The two surveys sample different panels and often disagree at the margin, which is part of what makes the 10:00 am reaction so sharp when they do.
The rate argument itself has turned unusually public. Kevin Warsh's Fed has been fighting a credibility fight in the bond market since the last meeting, and officials have split openly, as Beth Hammack's meeting dissent showed earlier this cycle. Into that split walks a survey of purchasing managers, compiled by a woman who spent four decades buying jet-engine parts and freight capacity.
How Factory Survey Answers Become a Number That Moves Billions
Each month, ISM's panel of purchasing and supply executives answers a short set of directional questions about their own operations, covering new orders versus last month, production up or down, hiring versus cutting, and supplier delivery speeds. Nobody on the panel forecasts anything and nobody estimates GDP, because the survey only asks what each company's own order books actually did.
The math that turns those answers into a market mover is simple by design. For each question, take the percentage of managers reporting improvement and add half the percentage reporting no change. That produces a diffusion index where 50 is the breakeven line between growth and shrinkage. The headline PMI averages the subindexes covering new orders, production, employment, supplier deliveries, and inventories.
Think of it as an exit poll for the factory economy. Official government data on orders and output arrives weeks later, but purchasing managers see demand shift before almost anyone else in the economy, because companies adjust what they buy before they adjust what they report. That early-warning property is why a survey of a few hundred people can move trillion-dollar markets, and it is why the report's release slot, the first business day of every month, opens the macro calendar.
The chair of the Manufacturing Business Survey Committee oversees that whole machine. Spence collects the responses, compiles the indexes, authors the written report with its industry commentary, and serves as the public face who fields press questions after each release. She is, structurally, the first human being to know the number the entire market is waiting for.
From Jet Engines to the Economy's Thermometer
Spence is a procurement lifer, and that is precisely what qualifies her for the job. She spent 28 years at United Technologies with roles across Pratt & Whitney, Hamilton Sundstrand, and Sikorsky Aircraft, rising to director of supply management at UTC's corporate headquarters. In October 2013 she moved to FedEx to build and lead the company's newly centralized Sourcing and Procurement group, a team of more than 250 professionals managing over $25 billion in spend. She retired from FedEx in July 2023 with a resume her own field had already celebrated, having received the J. Shipman Gold Medal in 2020, ISM's top recognition for career achievement in the profession.
In other words, she spent four decades on the answering side of the questionnaire, running exactly the kind of procurement organizations the survey polls. When Timothy R. Fiore stepped down after running the survey since 2017, ISM named Spence his successor effective June 2025, a handover covered closely in the supply-chain trade press and almost nowhere else. Fourteen months later, her signature line moves more money in one morning than most Fortune 500 press releases move in a year.
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Years
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Role
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The scale
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28 years
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United Technologies, across Pratt & Whitney, Hamilton Sundstrand, and Sikorsky Aircraft
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Rose to director of supply management at corporate headquarters
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October 2013 to July 2023
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Vice president, centralized Sourcing and Procurement, FedEx
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Led 250+ professionals managing over $25 billion in spend
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2020
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ISM J. Shipman Gold Medal
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The institute's top award for career achievement in the profession
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June 2025 to present
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Chair, ISM Manufacturing Business Survey Committee
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Authors the monthly report and serves as its official spokesperson
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Markets have a habit of handing outsized influence to people almost nobody has heard of, from AI researchers like Leopold Aschenbrenner whose essays moved billions in capital, to a retired freight-procurement executive whose monthly signature repositions the bond market. The difference is that Spence's influence runs on a fixed schedule. You know exactly when her next sentence arrives.
How to Read Her Report Like a Trader
The headline number gets the algorithmic first move, but the subindexes decide where prices settle by the afternoon. Traders who stop at the headline-versus-consensus comparison miss the split that actually matters for the September debate. The table below shows the three subindexes worth watching from June's report and the conditional read on each.
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Subindex
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June reading
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A hotter July print would signal
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A cooler July print would signal
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Prices
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73.0
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Input costs still climbing, more fuel for the September hike case
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Cost pressure easing, welcome relief for the rate debate
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Employment
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49.7
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Factory hiring turning back up after a soft June
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Hiring stuck below the 50 line, a caution flag before Friday's jobs report
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New Orders
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56.0
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Demand accelerating into the second half
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Demand cooling from a strong June pace
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Her written commentary deserves a read too. Each report carries direct quotes from anonymous respondents, sorted by industry, and desks mine those lines for forward-looking color that no diffusion index can capture, things like customers pausing orders or suppliers quoting longer lead times.
The combinations matter more than any single line. A strong headline paired with a hotter Prices reading is the hawkish scenario, the one that pressures rate-sensitive assets. A strong headline with cooling prices is the soft-landing read. And a weak headline with prices still elevated is the uncomfortable mix that gives the Fed nothing clean to point to. All three are live possibilities until the number hits, and nothing in this article should be read as a prediction of which one prints.
Crypto traders have their own reason to care about the mechanics. The same positioning dynamics behind Bitcoin's sell-the-news pattern around Fed events show up around major data releases, and the path from a factory survey to a BTC candle runs through rate expectations, the channel mapped in our piece on how the Fed's dot plot filters into Bitcoin. When the number drops, watch the September odds reprice first and crypto follow.
Frequently Asked Questions
Who is Susan Spence?
Susan Spence chairs the ISM Manufacturing Business Survey Committee, the group that produces the monthly Manufacturing PMI, after a procurement career spanning United Technologies and FedEx. She succeeded Timothy R. Fiore in June 2025, and her earlier honors include recognition as a YWCA Woman Achiever in Business alongside her ISM career-achievement medal.
What is the ISM Manufacturing Index?
The ISM Manufacturing Index, often called the Manufacturing PMI, is a monthly survey-based gauge of US factory activity published by the Institute for Supply Management. Readings above 50 signal growth and readings below 50 signal shrinking activity, and because it opens each month's data calendar, markets treat it as the earliest broad read on the economy.
What time is the ISM Manufacturing report released?
The report lands at 10:00 am Eastern on the first business day of each month, which is why the July report arrives on Monday, August 3, 2026, after a weekend start to the month. The services-sector version follows the same week, so the two together frame the market's growth picture within a few days.
What does the ISM Prices Index measure?
The Prices Index tracks what manufacturers are paying for raw materials and components, with readings above 50 meaning costs rose from the prior month. Traders watch it as an early inflation signal because input costs show up in factory surveys weeks before they appear in consumer price data.
Bottom Line
The number arrives at 10:00 am ET, and the reaction will run through one debate. A print above the consensus bar with a still-hot Prices line leans the market toward September tightening, a softer print with cooling costs gives risk assets room to breathe, and a messy split between headline and prices keeps the argument alive into Friday's jobs data. Whichever way it breaks, the odds market will reprice within minutes and Bitcoin will trade the repricing, not the factory data itself. Every trader sees the headline at the same second this morning. Susan Spence is simply the one who knew it first.
This article is for informational purposes only and does not constitute financial or investment advice. Cryptocurrency trading involves substantial risk. Always conduct your own research before making trading decisions.
