Unchained is designed for scalping trading. With its help, they trade on five and fifteen-minute timeframes. But it works on H1 and above. According to the traders themselves, the best arrow indicator is the one that does not redraw, i.e. does not imply changes in indicators.
When an arrow pointing upwards appears on the chart, the trader opens a buy order. If an arrow pointing down appears during the trading process, the purchase order is closed. After analyzing the situation in this case, you can open a position for sale. It is used on any timeframe, but it is preferable to trade on a time period of at least half an hour (M30). You can trade with any currency pair.
It allows you to trade on more volatile currencies. Obviously, the best arrow indicator is the one that matches your trading strategy and helps to accumulate profits. However, experienced traders recommend beginners to change their strategy from time to time, which will significantly expand your trading horizons and help you gain new experience.