Techstars in Chicago is actually less than 2 years old. Excelerate labs was 2 years old at the time it joined Techstars, so the oldest company connected to that city is less than 4.

Also important to control for cohort size. These are 10 company classes. A 100 million+ breakout seems to be somewhere between a 1 in 100 and a 1 in 50 occurrence.

Chicago startup scene has not generated a ton of hits, but there have been a few notable successes. But there are also a lot of solid companies that will probably make money for investors. You have to realize that there are very few Facebooks, AirBnBs and Ubers in total and most of them are by definition in SV. So you would expect relatively few out of Chicago at this point