Normally, purchase alerts emerge if the two traces make a crossover down below the reduced band whilst promote alerts are made when there is often a crossover higher than the higher band. After the crossover, the bullish pattern remains providing The 2 strains are relocating upwards and vice versa, https://financefeeds.com/libor-traders-tom-hayes-and-carlo-palombo-win-legal-fight-over-rate-rigging-charges/