To change the sensitivity of Spice Algo click on the algorithm located on the top left of the chart screen. Click on settings to toggle this menu. If you have have more than 3 indicators, there will be a numbered pull down menu.
When changing the sensitivity you can greatly change the algorithm to your liking.
The lower the sensitivity, the earlier the signals, but creating a possibility unusual signals. In unison, the higher the sensitivity, the cleaner the chart, but may not guarantee the best possible entries.