Today remains the most effective trade-Trade within a day or buy for a few days.
All altcoins slowly shoot and add 10-20%. Buy a coin put up a sell order +10% and +20% and wait a few days-with a probability of 90% your bets will play!
All altcoins?
No,not all coins will shoot up even if there is a long bull run happening so either you should do crypto to fiat or buy crypto for long term when you don't know what coin to invest on for day trading,coinmarket cap might help you to identify which coin has more price growth in the recent days so picking that coin may help you but not always.