什麼是耐久財？

根據 Forex 上的英文說明為：

The value of orders placed for relatively long lasting goods. Durable Goods are expected to last more than three years. Such products often require large investments and usually reflect optimism on the part of the buyer that their expenditure will be worthwhile.

Because orders for goods have large sway over the actual production, this figure serves as an excellent forecast of U.S. output to come. Durable Goods are typically sensitive to economic changes. When consumers become skeptical about economic conditions, sales of durable goods are one of the first to be impacted since consumers can delay purchases of durable items, like cars and televisions, only spending money on necessities in times of economic hardship. Conversely, when consumer confidence is restored, orders for durable goods rebound quickly. The data is highly volatile as well, some volatility is eliminated with the Durable Goods Orders excluding Transportation figure, making it the more closely watched indicator.

The headline figure is expressed as a percentage change from previous months

「耐久財」是被預計能使用超過三年的產品，舉凡來說像是汽車、電視等等。

由於這類商品很可能是當民眾對經濟前景感到悲觀時，首先推遲購買的，所以當「耐久財訂單」產生變化時，會直接影響實際商品的產出，是頗重要的經濟指標。

文中提到這像指標的波動很大，原因在於當民眾信心恢復時，就會讓「耐久財訂單」迅速反彈。