Interesting article about the effects of Uber on medallion values:
"In Chicago, which has the country's second biggest fleet with roughly
7,000 taxis, the median sale price for a medallion hovered around
$70,000 in 2007 before reaching a median sales peak of $357,000 in late
Since reaching that high point more than a year ago, the value of medallions in the Windy City
have sharply declined and sales have ground to a near halt—with the
city recording only seven medallion transfers in the first quarter of
2015—as the median sale price fell to about $270,000."