交易日 (jiāoyìrì) means "trading day," referring to a day when financial markets are open for business. It is a standard term in finance and stock market reporting. It commonly appears in phrases describing market performance over a specific period.
本周只剩下两个交易日了,市场波动可能会加大。
Běn zhōu zhǐ shèng xià liǎng gè jiāoyìrì le, shìchǎng bōdòng kěnéng huì jiādà.
There are only two trading days left this week, and market volatility may increase.
过去五个交易日里,这只股票一直在上涨。
Guòqù wǔ gè jiāoyìrì lǐ, zhè zhī gǔpiào yīzhí zài shàngzhǎng.
Over the past five trading days, this stock has been rising continuously.
每个交易日收盘后,他都会分析当天的数据。
Měi gè jiāoyìrì shōupán hòu, tā dōu huì fēnxī dāngtiān de shùjù.
After the close of each trading day, he analyzes that day's data.