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Re:Robinhood stock trading app confirms $110M raise at $1.3B... by vivekd on Wednesday April 26, 2017 @12:57PM (#14204775)
As a small investor, borrowing money to invest is almost invariably a terrible, terrible idea, because any return you make on the investment will likely be cancelled out by the interest paid to borrow the money.

I just looked up margin interest rates, for loans of 10 000 or less (which is what we are likely talking about with robin hood) the interest rate is Base Rate + 1.25% which is 8.50% interest. I don't know many stocks you can buy even in the best of circumstances that will get you a guaranteed return of more than 8.5%. Moral of the story - robin hoods retail investors should not engage in margin trading.

Re:Robinhood stock trading app confirms $110M raise at $1.3B... by sf_rob on Wednesday April 26, 2017 @01:34PM (#14205136)
Where are you getting these numbers? Their rates appear to go from ~4.8-7.2%[1]

Also, it should be noted that Gold is a flat fee based on account value brackets and margin brackets not a percent fee of your margin like every other brokerage. That means your effective margin rate can be much higher. e.g. if you borrow $100 for a $2000 account, you're looking at an effective margin rate of 72%.

[1] https://d2ue93q3u507c2.cloudfront.net/assets/robinhood/legal... (linked to from their FAQ[2], sorry for the sketch URL)

[2] https://support.robinhood.com/hc/en-us/articles/214681823-In...

Re:Robinhood stock trading app confirms $110M raise at $1.3B... by morgante on Wednesday April 26, 2017 @06:10PM (#14207516)
> I just looked up margin interest rates, for loans of 10 000 or less (which is what we are likely talking about with robin hood) the interest rate is Base Rate + 1.25% which is 8.50% interest.

Is that from Robin Hood? If so it's a travesty specific to them. You can borrow from Interactive Brokers for 2.4%, which is a lot easier to overcome even with straight broad-market ETFs. [0]

[0] https://www.interactivebrokers.com/en/index.php?f=interest&p...

Re:Robinhood stock trading app confirms $110M raise at $1.3B... by vivekd on Wednesday April 26, 2017 @11:02PM (#14208860)
No it wasn't robin hood, it was just basic rates charged by another firm. I figured robin hood is going to charge the industry standard. But that 2.4 % interest rate is being charged daily on those loans so that's even scarier.
Re:Robinhood stock trading app confirms $110M raise at $1.3B... by morgante on Wednesday April 26, 2017 @11:12PM (#14208915)
Uh, I think you don't understand how compounding works. It's not 2.4% a day. Do you know anything about finance?
Re:Robinhood stock trading app confirms $110M raise at $1.3B... by vivekd on Wednesday April 26, 2017 @11:16PM (#14208934)
from the link

>IB accrues interest on a daily basis and posts actual interest monthly on the third business day of the following month.

from investopedia

>Interest accrues on loans, such as a mortgage, or on savings accounts and investments. Daily accrual means interest amounts are added to the account balance every day. Interest can accrue on any time schedule; common periods include daily, monthly and annually

it would be different if the rates were annual percentage rates, but your site doesn't specify that.

no I don't know anything about finance but I got google.

Re:Robinhood stock trading app confirms $110M raise at $1.3B... by morgante on Wednesday April 26, 2017 @11:24PM (#14208961)
A little knowledge is dangerous.

You found the right terms but totally missed the meaning. Daily accrual means that your interest for that day is calculated daily. It doesn't mean the interest rate is 2.4% a day.

Did you even think about this logically? 2.4% a day would be 876% a year. That's obviously insane.

Re:Robinhood stock trading app confirms $110M raise at $1.3B... by sobani on Friday April 28, 2017 @03:04AM (#14217432)
2.4% a day would be 574756% a year (yes 5747 fold). Compound interest FTW! (or For The Bankruptcy in this case)
Re:Robinhood stock trading app confirms $110M raise at $1.3B... by presto8 on Thursday April 27, 2017 @04:29PM (#14214429)
Interest rates are almost always annualized and cited in terms of APR or Annual Percentage Rate. If the APR is not cited, then it is implied.

This makes it easier to compare loans even if they have different terms. The fine print will usually provide the daily interest rate, for example 2.00% APR is 2/365 = 0.005479% per day interest.

Often interest is compounded continuously in which case calculus can be used to compute the exact interest, but it ends up as a famous formula in investing, FV = PV * e^(R*T). In practice, it ends up being very close to daily compounding, but it allows banks to advertise an ever-so-slightly higher APY (annual percentage yield) which is why everybody does it this way for interest paid on deposit accounts.

Re:Robinhood stock trading app confirms $110M raise at $1.3B... by Ntrails on Wednesday April 26, 2017 @01:13PM (#14204934)
Is that Base Rate something specific to them? Because it's a goddamned travesty for a pretty well secured loan.
Re:Robinhood stock trading app confirms $110M raise at $1.3B... by thunderstrike on Wednesday April 26, 2017 @04:29PM (#14206676)
Re:Robinhood stock trading app confirms $110M raise at $1.3B... by Ntrails on Thursday April 27, 2017 @04:24AM (#14210018)
Yeah. Then you compare it to what IBs are charging actual funds...