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The Z-score would not take into account sensitivity to jet fuel prices. It is based mainly on the ability of the company to service its debt - debt is the reason most companies go bust ultimately...

I use the Altman Z-score as one of my principal trading tools both on the long as well as the short side. However I wouldn't recommend automatically shorting a stock just because it has a low Z-score. Also don't use it with Chinese stocks as the balance sheets are too unreliable:eek...

One useful metric, if you haven't already heard of it, is the Altman Z-score, supposedly the most successful bankruptcy predictor available. Studies measuring the effectiveness of the Z-Score have shown that the model has a 70%-80% reliability. Of the companies mentioned the scores are as...

Take the value as close to your trading time as possible....assuming that you have the data...otherwise take the open and close prices.

I would suggest the following method: take the percentage profits you make on each trade and compare it to the equivalent profit you would have made buying and selling the index on the same days. Subtract one from the other, and then check the result for randomness. This calculator will...

These are 2 academic studies that claim that gold prices follow a random walk: http://www.informaworld.com/smpp/201537052-95356590/content~db=all~content=a713760909~frm=abslink http://www.agsm.edu.au/eajm/9106/pdf/selvanathan.pdf

Some academics have suggested that gold follows a random walk. I have developed a little program that can be used to test this hypothesis. http://gold.yabz.com/rand.htm From testing out data from various time periods and in different ways (such as the difference in each days prices), I...

The fed wants to destroy the dollar but the American people think differently as they are increasing their savings. The successful sales of treasuries also gives support to the $.

I don't think the fundamentals are good. We seem now to be entering into a speculative/bubble phase, which could admittedly continue for a few years, before an almighty crash.

A study of highly pressured London traders, whose jobs requires risk taking and quick responses, found the most successful had long ring fingers in relation to their index fingers...

I paid 0.20 - clearly better than $20, but a fair price would have been .05. I basically paid 4 times what it was worth. .20 was the overnight spread, and I had expected that a market order would have given me something closer to a market price...

In theory I'm connected at 100 Mbps; in practice I get (from a site in LA): 1676 download 332 kbps upload I'm based in Hua Hin. Connection speeds in Bangkok maybe faster but its a tough place to live; not many foreigners can stand it for more than a short while...

I have received this explanation from IB: "When you use a market order prior to the open; you will get the opening ask price for the option. The opening bid ask for the option was no bid at .20. That is why you paid .20. ( it was the opening ask ). If you wanted to limit what you pay for an...

I don't know the exact next price, but when I checked a few moments after the order was filled at 20 then price was back to 5. The previous days close for WFC was 25.72 and the opening price was 25.95 so price movement of the underlying cannot account for the jump in the price of the call...

I put in an order before the market opened to buy WFC Jan 31 call at market price. The previous closing price was $5. The order was filled at 9.30:23 am at $20! The next price was $5. How is this possible? Its clearly very risky making buy or sell orders at market price...

All stock that you buy through IB is held in 'street name' ie it is owned by IB. You cannot buy stock in your own name through IB.

To get rid of a 600 year old institution on the basis of the votes of 15000 people (.25% of the Tibetan population) would seem a bit strange, even if there was pressure for him to resign which there isn't. All the other main officials of the government in exile are democratically elected.

Consulting a people living in an occupied country presents certain practical difficulties, don't you think? Dalai Lama goes to Chinese Embassy. "Hello, I'd like a visa to go to Tibet" "What is the purpose of your visit sir?" "I want to hold a referendum" I can't see it working. No...

He has stated that he is personally in favour of abolishing the institution of Dalai Lama and having an elected head of state in the event of an independent Tibet, but that he would put the matter to a popular vote.

The monarchy in Britain was a feudal despotism in the past, and yet today is highly popular. No more than 20% of the population want to get rid of it. Institutions change.