cnbc's deirdre bosa has the data on what the threat means for markets. a big question, deirdre. over to you. >> that's right, simon. we use kensho data to look at ways to play grexit fears and we found some findings, went back to 2012 and found 16 instances where it looked like grexit fears were riding high. the most recent being just this last friday. here's what we found, a few takeaways. one, the u.s. dollar usually outperforms other major macro assets. twor, oil usually underperforms. and we speak a little about this last week. but the u.s. benchmark, they don't move all that much when investors are fretting about greece. first let me talk about the greenback. when you look at it versus u.s. treasury yields, the benchmark indexes, precious metals, other major currencies like pound and the euro and oil, it is a clear outperformer. 75% of the time p trades higher and on average it returns about .2%. most of the other asset classes that i just mentioned, they actually trade negative more than half of the time. like oil. over the 16 instances we found that oil is negative nearly

cnbc asia correspondent and kensho expert deirdre bosa joins me with the details. >> it boils down tocomposite takes buy asia etfs listed right here in the u.s. the fxi a name a lot of our audience is probably familiar with the larnellest china-related etf, it is listed in new york and it bounces back big-time after a down week on the shanghai exchange. historically the ssec the shanghai comp doesn't even bounce back after such losses but the fxi returns 4 1/2% on average. need another idea? well, check out the aaxj. this is the all-country asia x japan etf. it's not in the nasdaq. this week -- rather the week after china's stocks tank 10% or more it returns on average 5.4%. if you had bought these etfs on monday morning just cred this is right after the chinese benchmark tanked more than 13% last week. you'd be sitting pretty right now. the fxi is up 3.7% over the last two days alone and the aaxj is up 2.3% since monday. and guys if you look at ken schsho's historical returns, there could actually be more room to run for these two names. for some perspective the s&p 500 is up only ab