Shares of Quest Diagnostics Inc. (DGX) are down 1.32 to 53.88 today.? DGX is making a 52-week low.

Today paper traded 7,077 DGX May 45 puts for 82.5 on splits. The ADV is 1,384 contracts.? The OI is 28 contracts.

The volume went up in two blocks with follow up volume of another 6,000 contracts at higher prices.? The trade was marked spread (due to split prices) and is consistent with a stock holder protecting a position or entering one now.? The buyer is looking for protection or an outright short at the 52 week low.? UA highlighted call and put buyers in DGX on the first leg down and the call buyer for now have been run over.

30-day implied volatility is 23%.? ?10-day implied volatility is 31%.? 30-day implied volatility is trading below the 10-day historical volatility.

Quest Diagnostics Incorporated (Quest Diagnostics), is a provider of diagnostic testing, information and services, providing insights that enable patients and physicians to make healthcare decisions.