This acronym stands for "Buy the Fucking Dip", it is an advice to buy a crypto-currency when the price is assumed to be the lowest. This expression is not a technical analysis, it corresponds more to a MEME on social networks. There are many derivatives to this expression:
- BTD : Buy the Dip
- BTDSTP : Buy the Dip, Sell the Top
- BTRSTN : Buy the Rumour, Sell the News