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Dear David, I cleared the FRM examination. I want to express my heart felt gratitude to you. Bionic turtle is pretty-much the only resource I used for my preperation. I did not even bother to read the core study material. I have been preparing for about last 4 months before the exam. Few...

Hi David, I am not able to view some of the edit grids (and some of them take very long to open). Would appreciate if you can make the excel file also available. Regards, Sathya

Hi David, Q) If a trader wants to increase the beta of a portfolio by using S&P500;index futures, he/she should: The Answer says- Take long Positions. Let us say the beta of the portfolio is already more than 1. say 1.3. And he takes long position in S&P;Index. Let us say that the initial...

Another question regarding the same excel. Can you please explain how you came up with the formula for 'Marginal Cost of VAR Per dollar of VAR' ? Regards, Sathya

Hi David, I am going through the excel sheet for Var impact of a small project. In one of the steps you calculate the covariance between the asset and the portfolio. I don't understand how you came up with this formula for calculating covariance between an asset and the portfolio. Can you...

Hi David, I am referring to page 45 in marketb_part1.pdf. Regards, Sathya

Hi David, What is meant by Simple compound rate ? How did you derive this following formula ? Simple compound rate = (Market rate) * 180 / 181 Regards, Sathya

Hi David, I have a request regarding edit grid. The edit grid website is blocked from my office. Hence I am not able to access it. May I request you to kindly provide a downloadable excel also ? Please do not reduce on the number of spread sheets. :). I feel they are great learning tools...

Hi David, Why is it never optimal to early exercise an american call ? Call is option to buy at a fixed strike price. If the price is significantly above the strike on any particular day before the expiry then you could exercise the option, and sell the stock in the open market and make...

Hi David, Thanks for your reply on my previous question. Another request - Will you be able to upload a spread sheet example to illustrate Randon walk/Mean reversion.? Regards, Sathya

Hi David, In the Wilmott's formula why is the formula negative ? Let us say 95% VAR is 33%. This means that we can say with 95% confidence that the porftfolio value will not go down by more than 33%. Going by this, how can VAR be negative ? Regards, Sathya

Hi David, Can you please throw some light on the classification - parametric and non-parametric ? As per your answer for Question 4 for Quant A (http://forum.bionicturtle.com/viewthread/226), you say - "non-parametric approaches do not depend on a distributional assumption " What...