repeg       
verb [ I or T ]  finance & economics specialized (also re-peg) uk/ˌriːˈpeɡ/
 重新设定(货币、汇率、价格等)
to peg (= fix) a currency, rate, price, etc. again, at a different level
  A top banker has been called in to repeg the country's currency. 一位顶级银行家已被召来重新设定该国的货币汇率。 
 The idea is to re-peg oil exporters' exchange rates to a basket of currencies.
 - More examples
 - Currencies were pegged to the dollar, with the option to re-peg unilaterally.
 - Could they re-peg their currencies at a stronger rate or abandon the peg altogether?
 - It would be unwise to float our currency until we have cleaned up the banking system, but we could repeg it against the dollar at a higher rate.