How to Read Housing Market Data Without Getting Misled
The short answer
- Use median price trends over 6-12 months, not month-to-month or averages
- Median days on market tells you how fast homes like yours are selling
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Why this matters
Housing headlines are written to grab attention, not to help you make a decision about one home in one neighborhood. Learning to read the actual data yourself helps you see the market you are really buying in.
Median Price vs. Average Price
Median price is the middle value — half of homes sold for more, half for less. It is more useful than the average, which can be skewed by a few very expensive or very cheap sales. A rising median price does not always mean homes are getting more expensive — it can also mean more expensive homes are selling while cheaper ones sit. Always look at median price trends over 6-12 months, not month-to-month changes.
Days on Market
Days on market tells you how fast homes are selling. As a rough rule of thumb, homes going under contract within a few weeks point to a seller's market, and homes routinely sitting for two months or more point to a buyer's market, but what counts as fast differs by area and price range. An average can be inflated by a few homes that sat for months because they were overpriced, so look at the median days on market for homes similar to what you are buying.
Inventory and Months of Supply
Months of supply measures how long it would take to sell all current listings at the current pace of sales. (The California Association of REALTORS calls it the Unsold Inventory Index.) A common rule of thumb: under about 4 months favors sellers, around 4 to 6 months is balanced, and over 6 months favors buyers. Treat those cutoffs as guides, not lines. This number shapes your negotiation leverage: in a seller's market, expect competition; in a buyer's market, expect more room to negotiate.
List-to-Sale Price Ratio
This shows what percentage of the asking price homes are actually selling for. A ratio over 100% means homes are selling above asking (common in competitive markets). Under 100% means there is room to negotiate below asking. This is one of the most practical numbers for setting your offer strategy.
What the Numbers Mean for Your Offer
Put the numbers together and they tell you who has the leverage. When homes sell fast, supply is thin, and most sales close at or above asking, sellers have the edge. Have your financing documents ready before you tour, write a clean offer, decide your walk-away price before you are in a bidding war, and keep your inspection even if you shorten its timeline. When listings sit, supply builds, and sales close below asking, buyers have the edge. Take your time, offer below asking on homes that have lingered, ask for closing cost credits or repairs, and keep your full set of contingencies. Most markets fall in between: fair offers get accepted, lowball offers get turned down, and finding the right home matters more than gaming the conditions.
Signs a Market Is Running Hot or Cooling
Watch for patterns, not single months. A market running hot shows homes routinely selling well above asking, very little inventory, buyers giving up inspection and appraisal protections, and a large share of purchases by investors. That raises your risk of overpaying, so hold firm on your budget ceiling and be willing to wait. A cooling market shows inventory climbing, days on market growing month over month, and more listings with price cuts. That gives you room to negotiate — but ask why prices are softening. If it is driven by local job losses, the slide may continue after you buy. In any market, buy a home you can afford at today's prices and payment, not one that only works if values rise.
Seasonal Patterns
Listings and competition tend to rise in spring and early summer, which means more choices but faster sales and less room to negotiate. From fall through winter, there are usually fewer listings, but also fewer buyers, and sellers who list then often need to move. If your timing is flexible, starting your search in the fall can mean less competition, with spring as a backup. If your budget and savings are in place and you find the right home, the season matters less than the fit.
Everything to remember
- Use median price trends over 6-12 months, not month-to-month or averages
- Median days on market tells you how fast homes like yours are selling
- Months of supply is a rough guide to who has the negotiation leverage
- List-to-sale price ratio tells you whether offers above or below asking are the norm
- Read the numbers together to see who has the leverage, then match your offer strategy to it — and buy based on today's payment, not predicted prices
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