Despite intervention, market pressures caused the yen to continue climbing in value, peaking temporarily at an average of ¥271 per US$1 in 1973, before the impact of the 1973 oil crisis was felt.
A pesar da intervención, as presións do mercado causaron que o ien seguise subindo, chegando a alcanzar a taxa de 271 iens por dólar en 1973, antes de que se notase o impacto económico da crise do petróleo de 1973.