Ahead of Coinbase (COIN), Ben Watson discusses the crypto company's chart patterns. On the 5-day chart, Ben looks at a range between $370 and $391 as shares of COIN have pulled back from recent highs. For a longer-term chart, Ben highlights $348 as a longer term support zone above a bull flag pattern. If shares dip below it, Ben points to $270 as the next level of historical support.