-2
votes
1answer
97 views

Why wouldn't an option's last trade price be between the current bid and ask? [duplicate]

In the option table for SPY there is a column called 'Price' and a column called 'Bid' and a column called 'Ask'. If I wish to buy a call option, I need to pay a premium. Which column is the premium ...
6
votes
2answers
589 views

Why did the stock chart for Facebook's first trading day show an initial price of $42 when the IPO price was $38?

Facebook was widely reported as having an IPO price of $38. Yet, all the stock charts show Facebook shares priced at $42 until around 11:30 AM, than dropping to $40, and then only at 11:50 AM ...
6
votes
1answer
417 views

Who sets the price and provides the quoted price values for stocks?

I somewhat understand that the price of stocks is determined by the market, but who exactly changes those prices that we see listed on Yahoo! Finance for example? If I own a share in a company listed ...
29
votes
8answers
11k views

Why do gas stations charge different amounts in the same local area?

I've noticed there can be a 5%-10% difference in the price of gas where I live. For example right now the cheapest premium price is $3.85 and the most expensive is $4.17. It's the same state and ...
9
votes
2answers
5k views

How does a dealer (or market maker) earn the bid-ask spread on a stock?

If I am correct, dealers purchase assets for their own accounts, and later sell them for a profit from their inventory. But the spreads is the difference between buy (or "bid") prices and sell (or ...
6
votes
1answer
207 views

Can mutual fund prices have opening gaps? Might my order to be filled at a higher price?

My broker offers limit orders on mutual funds. I was curious if mutual funds have open gaps like stocks do. If I want to buy a fund if it goes up to a certain price, would it be safe to set a limit to ...
4
votes
5answers
823 views

Why are the prices of some commodities (e.g. oil) more volatile than others?

Why are the prices of some commodities (e.g. oil) more volatile than others?
7
votes
4answers
2k views

Why does a stock's price fluctuate so often, even when fresh news isn't available?

I get it that the price of a stock goes up and down as fresh news is released, positive or negative. However, fresh news is released only at certain times while the price of a stock changes (by ...
3
votes
1answer
112 views

Who sets the prices on government bonds?

I noticed my country Greece wanted to sell bonds last year and they were stating "If they go above 7% we won't sell.". But who sets the price if not them? Why can't they say "the price is 5% and if ...
6
votes
3answers
740 views

Where can I find a definition of psychological barriers with respect to marketable securities?

Where can I find a definition about psychological barriers with respect to marketable securities? Re: the apparent phenomenon that stock prices sometimes tend to have difficulty crossing some ...
2
votes
4answers
195 views

How can I find out what factors are making a stock's price rise?

For example: Fannie Mae went up ~20% today, February 3, 2011. How come? What websites have you found to be useful in returning relevant information? It seems to me Yahoo Finance is not very good at ...