The National Association of Home Builders (NAHB) Housing Market Index (HMI) is a gauge of builder opinion on the relative level of current and future single-family home sales. It is a diffusion index, which means that a reading above 50 indicates a favorable outlook on home sales; below 50 indicates a negative outlook.

The latest reading of 83 is up 1 from last month's 82.

Here's an excerpt from this morning's blog update:

“Despite strong buyer traffic, builders continue to face challenges to add much needed housing supply to the market,” said NAHB Chairman Chuck Fowke. “The supply chain for residential construction is tight, particularly regarding the cost and availability of lumber, appliances, and other building materials. Though builders are seeking to keep home prices affordable in a market in need of more inventory, policymakers must find ways to increase the supply of building materials as the economy runs hot in 2021.”

Here is the historical series, which dates from 1985.

The HMI correlates fairly closely with broad measures of consumer confidence. Here is a pair of overlays with the Michigan Consumer Sentiment Index (through the previous month) and the Conference Board's Consumer Confidence Index (through the current month).