Jīntiān gǔshì de jiāoyìliàng bǐ zuótiān dà de duō.
Today's stock market trading volume is much larger than yesterday's.
Tips
usage
交易量 = volume (units/shares traded); 交易额 = value (yuan amount). Both are core metrics on Chinese financial news - analysts watch whether a price move is 'backed by volume' (有量) or not.