This is a sign that something is either dripping, leaking, or not draining. But don't panic, sometimes it can be a very minor problem. In the cooling mode, the indoor evaporator coil and the suction line (the large copper refrigerant line in black insulation) sweats.
DEFINITION of 'Zero-Volatility Spread-Z-spread'. The constant spread that will make the price of a security equal to the present value of its cash flows when added to the yield at each point on the spot rate Treasury curve where a cash flow is received.he Z-spread is also known as a static spread.
The profitability of a volatility short is dependent on price movement of the underlying VIX futures contracts as well as the spread between contracts held by the ETF, known as contango. With volatility near 4-month lows, and near-month contango near 9%, a short position in VXX has been highly profitable in 2015.