Prime brokerage transactions: Difference between revisions
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===[[Margin loan]]=== | ===[[Margin loan]]=== | ||
In order to ''buy'' that share in the shop window, at which you’ve been gazing longingly each day as you pass on your way to and from work, you want to borrow some money. Good news: your broker — now | In order to ''buy'' that share in the shop window, at which you’ve been gazing longingly each day as you pass on your way to and from work, you want to borrow some money. Good news: your broker — whom we will now call a [[Prime broker|“prime” broker]] — will ''lend'' you the wedge. | ||
But there’s a catch: ''first'', you have to pony up [[initial margin]], and if the stock drops in value, you’ll have to pony up ''more'' —and ''second'', you need to give your new shares to the [[prime broker]] so the prime broker can ''play with them''. It does this to offset its costs of lending the money to you in the first place. It will give them back to you only whjen you want to sell them. | |||
===[[Short selling]]=== | ===[[Short selling]]=== | ||
So imagine you want to ''sell'' a share, because you think it is rubbish, but you don’t own it. If only you could do sell what you didn’t own, you could make money if the share went down in value. This is like the ''opposite'' of investing in a share. What you need is someone who will let you ''borrow'' a security they own, that you can sell. When, as you are certain it will, it plummets in value, you can buy another one in the market at the new low price, give it back to your friend, and everyone is happy! You have made a bucket! | |||
That friend is your prime broker. But, again, there is a catch. What if the share goes ''up'' in value? Your prime broker will want [[initial margin]] to cover against that risk. And since it will have to finance the cost of the share it is buying to lend to you, it will want you to pay the proceeds of sale of the shares to it, to reduce that financing cost. | |||
===[[Equity derivative]] (aka [[contract for difference]])=== | ===[[Equity derivative]] (aka [[contract for difference]])=== | ||
Now imagine you wanted to do all the above, but without actually buying or selling any shares at all! Couldn’t you just have a ''derivative'' or some sort, that paid you the same amount that you would have got had you bought or shorted the shares? This is known as “[[synthetic prime brokerage]]”. | |||
{{sa}} | {{sa}} | ||
*[[Prime brokerage charging]] | *[[Prime brokerage charging]] | ||
*[[Prime brokerage]] | *[[Prime brokerage]] | ||
Revision as of 18:27, 6 January 2021
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Prime Brokerage Anatomy™
   
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The classic prime brokerage transactions, illustrated in the panel:
- Physical long: A physical long position financed with a margin loan.
- Physical short: A physical short position created by selling a stock borrowed under a stock loan.
- Synthetic long: A “synthetic” economic equivalent of a physical long position created by entering a “long” equity derivative as a Floating Amount Payer.
- Synthetic short: A “synthetic” economic equivalent of a physical short position created by entering a “short” equity derivative as a Equity Amount Payer.
The ideas to get your head around are four, and in this order:
Brokerage
The business of getting a broker/dealer, being a regulated person with excellent connections to the market and access to all the best juicy sources of liquidity, to buy or sell shares for you. This is exactly the same idea as when you sell buy or shares through Charles Schwab: all that differs is the scale and volume. You give an order, the broker executes it, hyou are the proud owner of — or no longer the proud owner of — shares in XYZ.
Margin loan
In order to buy that share in the shop window, at which you’ve been gazing longingly each day as you pass on your way to and from work, you want to borrow some money. Good news: your broker — whom we will now call a “prime” broker — will lend you the wedge.
But there’s a catch: first, you have to pony up initial margin, and if the stock drops in value, you’ll have to pony up more —and second, you need to give your new shares to the prime broker so the prime broker can play with them. It does this to offset its costs of lending the money to you in the first place. It will give them back to you only whjen you want to sell them.
Short selling
So imagine you want to sell a share, because you think it is rubbish, but you don’t own it. If only you could do sell what you didn’t own, you could make money if the share went down in value. This is like the opposite of investing in a share. What you need is someone who will let you borrow a security they own, that you can sell. When, as you are certain it will, it plummets in value, you can buy another one in the market at the new low price, give it back to your friend, and everyone is happy! You have made a bucket!
That friend is your prime broker. But, again, there is a catch. What if the share goes up in value? Your prime broker will want initial margin to cover against that risk. And since it will have to finance the cost of the share it is buying to lend to you, it will want you to pay the proceeds of sale of the shares to it, to reduce that financing cost.
Equity derivative (aka contract for difference)
Now imagine you wanted to do all the above, but without actually buying or selling any shares at all! Couldn’t you just have a derivative or some sort, that paid you the same amount that you would have got had you bought or shorted the shares? This is known as “synthetic prime brokerage”.