Assiduous, I use their charting and a trading bot to predict buy/sell points. It lets you ride a trend and lets you know when the trend is changing, based on different time segments like 1 minute, 5 minute, 15 minute, etc. It's like $60/month.
https://r.search.yahoo.com/_ylt=AwrDQpcc.7df8...eT8ILXfNk-