Hi @Zodiac,
You can create this query where you will get an alert when MACD gave a buy/bullish indication. However, the day parameter will not be possible using a short query.
If you want to do this, you have to create a condition for each day on a daily timeframe. The following example shows how you can check for a bullish cross within 8 days
MACD (12, 26, 9, macd, 0) crosses above MACD (12, 26, 9, signal, 0) or MACD (12, 26, 9, macd, 1) crosses above MACD (12, 26, 9, signal, 1) or MACD (12, 26, 9, macd, 2) crosses above MACD (12, 26, 9, signal, 2) or MACD (12, 26, 9, macd, 3) crosses above MACD (12, 26, 9, signal, 3) or MACD (12, 26, 9, macd, 4) crosses above MACD (12, 26, 9, signal, 4) or MACD (12, 26, 9, macd, 5) crosses above MACD (12, 26, 9, signal, 5) or MACD (12, 26, 9, macd, 6) crosses above MACD (12, 26, 9, signal, 6) or MACD (12, 26, 9, macd, 7) crosses above MACD (12, 26, 9, signal, 7) or MACD (12, 26, 9, macd, 8) crosses above MACD (12, 26, 9, signal, 8)
Hope this helps.