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.
In finance, volatility (symbol Ï) is the degree of variation of a trading price series over time as measured by the standard deviation of logarithmic returns. Historic volatility is derived from time series of past market prices. An implied volatility is derived from the market price of a market traded derivative (in particular an option).