Old 29th August 2012, 05:18   #1
mike-db
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Basic math help...

I don't even know how to do this on a calculator... I have no clue how to even google search it...

I need to find out how much something would cost... After a 3% gain, if that makes sense?

I bought "RANDOM SHARE" at X price, I sold after 3% gain. How much did I sell for?

Hey! Sounds like a school question! Anyways I have no clue how to figure it out...

Now that I worded it out properly I'll go and google of course but I'll still ask you fellas here. Most of you know some handy tricks that I can actually remember...

Thanks!

Obviously I would not buy random shares.... This is all still hypothetical, I have yet to actually make any investments.

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Old 29th August 2012, 05:36   #2
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EX:
68.15 * 0.03 = X
x = 2.0445
2.0445 + 68.15 = 70.20 (rounded up even though it should be down.)

EDIT/ Thanks for the help everyone.

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Old 29th August 2012, 15:18   #3
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Yes, but is there a broker's fee? (In /out?)
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Old 29th August 2012, 15:26   #4
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You can speed up the calculation process by simply multiplying by 1.03 (instead of 0.03 and then re-adding the original value):
68.15 * 1.03 = 70.1945
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Old 29th August 2012, 18:50   #5
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Cool!
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Old 29th August 2012, 20:08   #6
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Quote:
Originally Posted by Widdykats View Post
Yes, but is there a broker's fee? (In /out?)
Yes, and for me I believe it's $30 but the fee isn't for every trade (at least it's not with my bank) it's just for the trades of the day, so it's simply subtracting that much... Which really isn't much.

EDIT/ Even so, it's all hypothetical still.

Thinktink thank you for the new formula (lol) I'll be sure to use that instead....

As for the shares at 68.15 they dropped, tremendously. It was a sinking ship and I doubt it would have bounced back any time soon. So I jumped and cut my $73 dollar loss.

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Old 29th August 2012, 20:42   #7
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Here's the algebraic math-proof for my shortening:

Where:
I=Interest: 2.0445
P=Principal (or base): 68.15
R=Rate: 0.03
T=Total (Interest and Principal): 70.1945

I=P*R
T=I+P
Substitute the P*R for I in the second line:
T=P*R+P

Expand:
T=P*R+P*1

Factor common terms in the polynomial:
T=(P*R)+(P*1)
T=P*(R+1)
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Old 1st September 2012, 07:23   #8
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You left out the capital gains tax and any state taxes on the transaction...

I am so important I feel the need to let it be known like a liberal discovering the internets for the first time. Uh hur hur hur. I also wash myself with a rag on a stick.
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Old 1st September 2012, 18:33   #9
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I um unaware of anything like that, I know I have to declare it as income once a trade is complete but past that I do not know of any other taxes.

I'm also Canadian so we might do things differently.

Also, nice to see you alive still oh hobbit humper.

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Old 4th September 2012, 10:22   #10
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Quote:
Originally Posted by mike-db View Post
Yes, and for me I believe it's $30 but the fee isn't for every trade (at least it's not with my bank) it's just for the trades of the day, so it's simply subtracting that much... Which really isn't much.

EDIT/ Even so, it's all hypothetical still.

Thinktink thank you for the new formula (lol) I'll be sure to use that instead....

As for the shares at 68.15 they dropped, tremendously. It was a sinking ship and I doubt it would have bounced back any time soon. So I jumped and cut my $73 dollar loss.
Stop Loss. Live by it...
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Old 11th September 2012, 09:20   #11
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Decided to not reinvest my imaginary money, took another big hit $300. By this date I'm sitting with $71 more than what I started with. Wanted to see if I could still come out on top.

I'll continue to play in this way for a while longer.

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