1The actual price at which goods or assets are traded in the market, as opposed to listed or official prices.
広告に載っている価格と実勢価格が大きく違っていた。
The price shown in the advertisement was very different from the market price.
不動産の売買では実勢価格を調べてから交渉を始めるべきだ。
When buying or selling real estate, you should check the market price before starting negotiations.