If you're seeking for coins that has pumped up during ath of btc, and I recommend xrp for that because it already reached an all time high of 3.84. The last it increased it isn't yet closer to that, so we need to grab this opportunity while xrp is at rank #6 as of this time.
Your usdt is worth it after all efforts and more importantly holding this coin will give you an assurance for your profit to grow successively.