Technical Analysis: Look for key levels of resistance that might act as a ceiling, and also support levels that could be breached during the decline. Indicators like the RSI, MACD, or moving averages might help confirm the bearish momentum.
News and Events: Keep an eye on economic news, central bank statements, or geopolitical developments, as these can strongly influence the pair.
Stop Loss and Take Profit: Since you're targeting a 100-pip move, you might want to set your stop loss and take profit levels according to your risk tolerance.