最大波幅 meaning in English

peak amplitude

So far , the day - to - day fluctuations in the renminbi exchange rate against the us dollar have not been very large . the biggest we have seen was 60 pips , or 0 . 07 per cent , on 11 august 2005 , which is lower than the maximum of 0 . 3 per cent allowable move on a single day
迄今人民币兑美元汇率的每日波动不太大，最大波幅只是在2005年8月11日的60点子，即相当于0 . 07 % ，低于可容许的0 . 3 %单日波幅上限。