NAHB/Wells Fargo Housing Market Index (HMI)
The builder's felt temperature: one survey around the 50 line, sensing the chill of rates one step before the hard data do.
Monthly (10 AM ET, 15th–18th)
What it is
The NAHB Housing Market Index (HMI), published monthly by the National Association of Home Builders with Wells Fargo, is a diffusion survey of builders: a composite plus three components — current sales conditions, sales expectations for the next six months, and traffic of prospective buyers. 50 is the line. Landing mid-month, it precedes the same month's hard data (starts/sales) — builders stand at the demand front line, and every mortgage-rate move registers in their perception first.
Release schedule
| Item | Details |
|---|---|
| • | Frequency: monthly (current-month survey) |
| • | Release: 15th–18th at 10:00 ET (23:00/00:00 Beijing time, DST-dependent) |
| • | Contents: composite HMI + current sales + 6-month expectations + buyer traffic (three 50-line diffusion indices) |
| • | Sample: builder survey (NAHB members) — wide monthly swings are inherent to the format |
| • | Timing edge: mid-month — ahead of starts (mid-month 08:30) and sales (late month) |
Why it matters
The HMI is the fastest rate-transmission read: hard data record actions already taken, builder perception records change happening now — a rate move shows up in the HMI the same month and gets confirmed by hard data 1–2 months later. The traffic component deserves its own eye: it is "store visits", leading conversion. Historically, deep-negative territory (below 30) coincides with housing recessions, and a joint rebound of the composite and traffic is the classic early bottoming signal.
Impact across assets
Typical impacts (using a big beat):
| Asset | Typical impact |
|---|---|
| US equities | A beat directly benefits builder stocks (confidence leads pricing and launch willingness); mild for the broad market |
| US Dollar Index | Limited — a housing survey carries small FX elasticity |
| Gold | Small same-day effect; the medium-term "housing bottom" narrative outweighs the day move |
| Crypto | Essentially no direct linkage |
| Treasuries | A beat → yields marginally higher (perceived growth up); limited magnitude |
How to read it
The standard read:
| Dimension | How to read it |
|---|---|
| Composite versus 50 | Above 50 = most builders rate conditions "good"; below 30 = broad pessimism (historically housing-recession territory) |
| Buyer traffic | "Store visits" — the most leading of the three: traffic recovers before conversion, the earliest demand-inflection signal |
| 6-month expectations | Builders' vote on the rate path — a sharp drop often reflects financing conditions rather than current demand |
| Versus same-month hard data | Survey weakening with starts steady = "transmission in progress"; both weakening together = downturn confirmed |
The advanced frame: use the HMI as "housing's ISM" — like the ISM surveys, a diffusion index is sensitive to inflections and imprecise about magnitude. Anchor on "composite direction plus traffic level": an index rising from 30 to 45 (direction improving) with traffic still below 30 (level still weak) = expectations repaired, reality not yet — do not conclude early.
Limitations & common mistakes
- Treating the survey as hard data: a diffusion index measures share, not volume — an HMI rebound is not a starts rebound; leading is not equaling.
- Ignoring the component mix: if the composite improves only via expectations while traffic stays weak, confidence repaired, not demand.
- Double-pricing with starts: the HMI (mid-month) and starts (mid-month 08:30) land close together — separate "perception leads" from "action confirms".
- Mechanically reading the 50 line: the HMI living under 50 in high-rate eras is normal — "below 50" is not "housing recession"; watch direction and depth.
- Ignoring sample bias: respondents are NAHB-member builders — divergence between large public builders and small ones (different financing access) pollutes the mean.
Related macro data
How it links to other macro data:
- With housing starts: perception leads action by 1–2 months — the HMI inflection is the warning for the starts inflection. housing-starts
- With new-home sales: traffic corroborates sales — traffic up with sales flat = demand in the pipeline. new-home-sales
- With the Fed decision: the HMI's immediate rate sensitivity makes it a transmission-speed observation — the first HMI after an FOMC deserves a solo look. fed-rate
Symbols most sensitive to NAHB Housing Market Index
Symbol pages that list this data as a factor to watch:
FAQ
Q When is it released?
Around the 15th–18th at 10:00 ET (23:00/00:00 Beijing depending on DST), by NAHB with Wells Fargo — earlier than the month's starts and sales prints.
Q How do I use the 50 line?
Above 50 = most builders rate the market good; below 50 = most rate it poor. Living under 50 in high-rate eras is normal — judge by direction (sustained rebounds/declines) and depth (sub-30 pessimism matches historical housing recessions).
Q Which component is most useful?
Buyer traffic — the "store visits" gauge, most leading: traffic changes before conversion, and has repeatedly led the composite's inflection. The expectations component reflects builders' read on the rate path.
Q How does it relate to starts?
Perception versus action: HMI is how builders feel now, starts are what has been done. The HMI inflection usually leads the starts inflection by 1–2 months — but leadership does not guarantee delivery (financing/labor constraints can break the pass-through).
Q How do I use it in trading?
Two uses: a sentiment day for builder stocks (big surprises move the builders same-day), and an inflection warning — the joint rebound of composite plus traffic is the classic early bottoming signal. Same-day broad-market/FX impact is mild.
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