Hypokalemia sometimes occurs with or is caused by a low level of magnesium in the blood (hypomagnesemia). Hypokalemia is rarely caused by consuming too little potassium because many foods (such as beans, dark leafy greens, potatoes, fish, and bananas) contain potassium.
1 Lot is 1,000 barrels (42,000 US gallons). Buying 1 ICE Brent-WTI Futures Spread Lot results in a 1 Lot buy of WTI and 1 Lot Sell of Brent. The contract price is in US Dollars and cents per barrel. One cent ($0.01) per barrel.
lower confidence level, the price band narrows, but even a 68-percent confidence interval ranges from $55 to $95 per barrel. Moreover, confidence intervals typically widen as the length of the forecast horizon grows. By July 2010, the 95-percent confidence interval for the WTI price ranges from $38 to $152 per barrel.