One useful tool in our trading toolbox is the Bollinger Band. Bollinger bands are upper and lower trading bands plotted at standard deviation levels above and below a moving average. Selecting a 2 standard deviation for the upper band and a -2 standard deviation for the lower band would mean, …

If the stock’s market value remains between the range of $45 and $55 between the date you sell the call and expiration, the short call will expire worthless. It would not be exercised within that price range, since striking price is 55. You can wait out expiration or buy the …

Highest ever single day loss for sensex trading stopped at NSE & BSE as lower circuit is hit. Rs.7,00,000 cores of market capitalization wiped off in a single day at the bourses black Monday. The above are some headline taken at from leading business declines. The month of may 2006 …