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.
Track the interest rate of the bond you are measuring over the same time period. The difference between the interest rates is called the spread.. If this spread is consistent over time, then you will know the bond has low volatility. If this spread jumps around a lot, then your bond is more volatile.