The perspectives that the BoJ will intervene in the FX market are weakening the yen is getting closer to the 87.03 yens per dollar target, area of potential upwards rebound. If broken, we'd have a clear path to seek the resistance at 87.43. The nearest support is found at 86.63 yens per dollar, 50-days MA.The bands of Bollinger show a volatility of 170 pips in the hour, while the Stochastic shows buying signs, right now.

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