So last night, a friend of my husband’s came over for dinner. This friend is smart but occasionally a blowhard. In the course of dinner chat, he started describing how “those guys who short stocks are making money hand over fist.” Shorting stocks is not something my husband or I have ever thought about or understood before, so we asked the friend to explain. His explanation did not make much sense to us (I think he wasn’t really sure how it works himself).
Today, I looked at some stuff online, and I think I understand the basics now. I think the friend was explaining accurately but incompletely. I’ve whipped up a few paragraphs expanding on it and am about to share it with my husband, but I thought I’d ask the SDMB first: do I have this right?, given it’s a massive oversimplification?
Note: I’m not necessarily asking for opinions about how to explain this concept (or I’d’ve put it in IMHO). I’m asking whether I have the facts right.
OK. Here it is.
[QUOTE=emmaliminal]
Shorting stocks, simplified description
Owen the Owner owns 10 shares of ABC stock. On this day, ABC stock is going for $2 per share on the open market.
Bob the Borrower wants to borrow 10 shares of ABC stock from Owen. (Bob believes the stock price will go down.)
Owen agrees to this. (Owen believes the stock price will go up.) He loans 10 shares of ABC to Bob.
Bob gives Owen some collateral worth (at least) as much as the stock’s value at that moment—it’s going for $2 per share today, so Bob gives Owen $20 worth of collateral. They agree that Bob can borrow the stock for a week. They sign some papers.
When this the week is up, Bob will give 10 shares of ABC stock to Owen, and Owen will return to Bob the $20 worth of collateral.
While Bob has the stock, he sells it on the open market. (Yes, this means he sells something he does not technically own. This is legal because of the papers he signed.) He sells it for $2 per share, or $20. Those particular 10 shares of ABC stock are gone, out into the marketplace.
At this point, Bob is at risk: he is obligated to give Owen 10 shares of ABC stock at the end of the week, but he doesn’t actually have any ABC stock. He will need to buy some.
But Bob is lucky. During the week, the price of ABC stock goes down to $1 per share. From the open market, Bob buys 10 shares of ABC at $1 each, or $10.
Bob gives these new 10 shares of ABC to Owen, and chuckles happily to himself. He made $10 on the deal!
Owen returns Bob’s $20 worth of collateral, and grumbles irritably to himself. He hasn’t lost anything he wouldn’t have lost without the loan to Bob, unless he had sold the stock himself during the week. But since he thought the stock would go up, he wasn’t about to sell it anyway. If he sells that stock immediately when Bob gives it to him, he will have lost $10.
Where did the $10 Bob made come from? Indirectly, you could say it came from Owen, but it went through the open market first. This is (I think) the hardest part to wrap your head around.
**
Where brokers come in**
Like a real estate agent, Bronwyn the Broker helps Owen and Bob find each other, and makes it easy for them to do swaps. She handles the transactions and the paperwork. She gets a fee for her service. The fee might be a set amount, or it might be based on the value of the stock—it’s up to the broker to set which way her fees are based, and up to Owen and Bob to decide whether to use her services and accept her fee structure, or to go to some other broker.
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