And the best/ideal Price gap control (%) settings to have if we choose to use the settings at 1x, 2x and 3x leverages?
Here is the link for you to learn deeper about spot-future arbitrage bot : https://www.pionex.com/blog/pionex-arbitrage-bot/
The best price gap control is use high positive price gap when you opening the bot, and use high negative price gap when you closing the bot. This way you can earn more profit by maximizing the price gap opportunity. But this strategy usually takes time , and market doesnt give it all the time. You need to time when to open the bot with high price gap first, and then observing the price gap trend, and possibly close the bot when the price gap reaching negative state.