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NAHB Housing Market Index markets

Homebuilders are on the front line of the housing market, and their sentiment is captured each month in the NAHB/Wells Fargo Housing Market Index. Economic event venues sometimes list markets on whether the index will rise, fall or cross a threshold. This SoftCta guide explains how the index is built and how such markets resolve.

What the survey asks

The National Association of Home Builders surveys its members who build single-family homes. Builders rate current sales of new homes as good, fair or poor, expected sales over the next six months as good, fair or poor, and buyer traffic as high to very high, average or low to very low. NAHB converts responses into diffusion indexes for each component, then combines them into the headline index, which is seasonally adjusted.

The 50 line

The headline reading ranges from 0 to 100. Above 50 means more builders view conditions as good than poor. The index has spent long stretches below 50 during periods of high mortgage rates and weak affordability. Threshold markets often use 50 or round numbers, so read whether the contract uses greater than or at least; see our guide on threshold precision.

Timing

The index is usually released at 10 a.m. Eastern Time around the middle of the month, often the day before the Census Bureau's housing starts and permits report. NAHB also publishes regional readings as three-month moving averages and survey questions on price cuts and incentives.

Revisions

When a new month is published, the previous month's headline can be revised. A market on the prior month may settle on the first release or the revised value, depending on the rules. Our data revisions guide covers that choice.

What moves it

• Mortgage rates: builders respond to affordability, and our mortgage rate guide explains the weekly survey.
• Supply of existing homes: low resale inventory can help new home sales, covered in our home sales guide.
• Costs: lumber, labour and regulatory costs show up in builder commentary.
• Incentives: the share of builders cutting prices is reported alongside the index and can signal weakness before the headline moves.

Pitfalls

Readers sometimes treat the index as a measure of sales or prices; it is sentiment. Monthly changes are often small, and a one-point move can be noise. Seasonally adjusted and unadjusted figures differ, so confirm which one counts.

A reading habit

Before the release, note the previous reading, the threshold, mortgage rate trends and recent builder commentary. Compare with the market using the implied probability tool and verify live prices on the venue.

Primary sources SoftCta readers open

• NAHB/Wells Fargo Housing Market Index releases and historical tables
• NAHB release calendar
• Census Bureau housing starts and new home sales reports
• Freddie Mac mortgage rate survey

Reading the quote step by step

• Read the full title and rules, including the named settlement source and the time zone.
• Convert the Yes and No prices to implied probabilities and note the gap between them.
• Subtract fees and spread to see the effective price you would actually face.
• Write your own probability range and the evidence behind it, then compare.
• Check related and near-duplicate markets on other venues for consistency.

Closing SoftCta checklist

• Re-read the venue definition in your own words before reacting to a price.
• Convert prices with fee and spread awareness; verify live cents on the operator.
• Prefer primary settlement sources over secondary headlines and social summaries.
• Treat ChanceWire hubs, movers, and tools as orientation — not order entry.
• Confirm age, location, and product eligibility; SoftCta pages will not suggest location spoofing.
• If clarity is incomplete, watching is a complete SoftCta outcome — no pick-selling urgency required.

SoftCta habits

• Write your own probability range before checking the crowd price.
• Prefer dated primary sources over social summaries.
• Compare related markets when a single book looks extreme.
• Size curiosity with fees and depth in mind; substantial risk of loss.