Waste Management (WMI, news, chart, volatility) puts are active as the stock gets trashed Friday. Shares are down $1.07 to $28.28 and options volume is running at three times the typical levels. 6,300 puts and 1,200 calls have traded. Directional sentiment based on today’s order flow is 79 percent bearish amid active buying of January 30 and 27.5 puts.