A generic tag to understand the calculations in a specific case. Please give out a sample illustration and ask a specific question. Ideally should also be accompanied by specific subject tags like "credit-cards", "savings-account", "index-funds" etc.

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Calculating Stock Trading Profits

I buy 100 shares of Company A at $10/share and one month later I buy 100 more shares of Company A at $20/share. If one month later, I sell half of my shares how would I calculate my profit? I ...
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1answer
36 views

Pre- & post-tax calculations for comparing contribution amounts for traditional 401k vs. Roth IRA?

I currently have a rollover IRA which I no longer contribute to and a 401k which I currently contribute to. I would like a Roth account to be more diversified from a tax perspective. I currently put ...
3
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2answers
75 views

Division of Proceeds from sale of house

I bought a house ten years ago with a friend and I put down the 20% deposit. We have been fighting for years and recently decided to sell the house. We bought the house as joint tenants with right of ...
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1answer
1k views

Is the Social Security retirement benefit calculation based on the last 40 quarters, or overall?

Are Social Security payouts based on the last 40 quarters, or overall earnings? That is: If the last 40 quarters of my working career are lower than these past 40 quarters worth, how does this affect ...
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1answer
89 views

What is the formula for calculating the amount of money I end up with in a given period (salary and compounding effect)?

I'll give a concrete example (couldn't find a similar question): Let's say I have an amount of money M at time t = 0 (first month). Every month, I get a given amount (let's say constant) of R On my ...
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2answers
61 views

Could somebody explain Wikipedia's VAT example calculation to me?

Wikipedia example here. I could not understand why in this example ("With a value-added tax" subsection) the government charges 0.10 = $1 × 10%, but not 0.11 = $1.1 × 10% The manufacturer spends ...
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3answers
60 views

Average cost basis based on total shares held or specific shares sold?

Let's say I bought 1 share in a Vanguard mutual fund each year for 10 years. Its price started at $1 and went up by exactly $1 each year, so the price of the latest share bought is $10. The average ...
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3answers
84 views

Fundamentals of creating a diversified portfolio based on numbers?

There are a number of articles and posts across the internet describing how to diversify your portfolio. But, each claim typically focuses on how to allocate your portfolio rather than describing ...
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5answers
3k views

Do I owe taxes if my deductions are higher than my income?

My total income this year was $16,604 (wages, interest, and business income). My deductions (including IRA, personal exemption, standard deduction, and self employment tax) was $17,404. TurboTax ...
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2answers
44 views

Is this the right tax statement for Roth IRA back conversion?

I moved $5500 from traditional IRA to Roth IRA in January 2014 for tax year 2013 . Then I moved another $5500 from traditional to Roth IRA for tax year 2014 in March 2014. When depositing fund in IRA, ...
3
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1answer
726 views

What is the full formula for calculating a FICO 9 credit score?

I'm familiar with the percentage breakdown of how a credit score is calculated. I'm wondering what is the exact formula is that can be used to come up with a point value based on specific input ...
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4answers
911 views

How are bonuses taxed? Why is withheld amount not same as final amount?

I have not found any clarity looking at a lot of search engine results and articles. Most articles state that there are 2 possibilities, that taxes from bonuses can be withheld at a flat 25% rate, or ...
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0answers
33 views

How is minimum payment calculated for this daily amortized loan?

I'm trying to figure out how the bank calculated the minimum payment for a personal loan. Starting Principle: $6,800 Interest Rate: 13.750% Loan Term: 36 months Payment Frequency: Monthly Start ...
3
votes
4answers
183 views

A calculator that takes into account portfolio rebalancing?

I'm looking for a calculator that takes into account rebalancing when estimating total returns using historical data. For example, I'd input the following into the calculator: I have an initial ...
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1answer
43 views

What Percentage of my Income do I Have to Pay in Employment Insurance (EI) Deductions?

I am from Calgary, Alberta, and I am wondering how much % of my hourly wage will be paid to my EI (employment insurance). Is the percent rate different for every worker, if not, what is the fixed ...
2
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1answer
72 views

What is a 10 Year Treasury Note and How Can it be Used to Calculate the Intrinsic Value of a Stock?

I am a Canadian, and I am trying to use an "intrinsic stock value calculator" (found here: ...
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1answer
132 views

How do I calculate my net worth according to the book “The Millionaire Next Door”?

I remember reading about PAWs, UAWs, and AAWs. I also remember that the formula for what your net worth should be on average (to be an AAW) is your income (without inheritance[s]) multiplied by one ...
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1answer
545 views

Calculating equity split in selling a property

Purchased a property with another person in 1998. We remained equitable partners until April, 2009 when the other party stopped paying their share of the mortgage, condo fees, property tax, upkeep. I ...
2
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1answer
178 views

Calculating total number of monthly payments in Excel using NPER and PMT?

How to calculate the total number of monthly payments given the amount of loan ($275,000), the annual interest rate (4.35%) and the number of years (30)? I'm confused because I'm trying to use the ...
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2answers
163 views

How do you choose which mortgage structure is appropriate when buying a home?

My lease is up in 1 month, and I'm looking to buy a home in the next 4 weeks. I have narrowed it down to two that I am interested in. I'm wondering about the type of mortgage I should get. Which ...
3
votes
5answers
748 views

Why would one W-2 give so much more back than the other?

I'm a single male with no dependents. I had two W-2s for this year, one of which showed a gross earning of ~$30,000 while the second was for ~$20,000. When I fed the first one into TurboTax, I got a ...
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2answers
156 views

Not receiving a tax refund because local taxes weren't withheld on my paycheck?

For instance, if the local New York City tax wasn't taken out of my paycheck, does that directly affect my tax refund? From what I understand the calculation for a tax refund is dependent on whether ...
3
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2answers
601 views

How does “on the next percentage” work (for company matching)?

For example, if I contribute 5%, the company matches that contribution with: 100% on the first 2% 40% on the next 2% 25% on the next 1% How do you calculate the next percentage.. and of what ...
2
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2answers
252 views

What is the best way to calculate total yield on a stock portfolio?

What is the best way to calculate the total yield of a stock portfolio? I started managing my own investments last year and it looks like I leaned towards dividend investing. I am wondering how I ...
4
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1answer
538 views

If I earn 40 credits and stop working, would I get full Social Security benefits at age 67?

If I met my 40 credit requirement in my 30s, and then left the States permanently and work at another country, and pay taxes there, not to the US, would I receive the full benefits when I become ...
2
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2answers
125 views

Mathematics behind deciding to do a lump sum mortgage payment vs. RRSP contribution?

If I have 10,000 extra dollars, how could I decide between doing either: A lump sum mortgage prepayment (2.1% variable closed interest rate, 250k remaining balance), or, An RRSP contribution ...
0
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2answers
83 views

How would you figure the cost of something in the future including inflation?

Looking for an excel formula that can calculate the cost of something based on a current price that factors in price increases and inflation. For example a plane ticket cost (econ LAX to JFK) in 30 ...
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1answer
136 views

Income tax calculate on your per company or on my total income in year?

I don't know if this is right place of ask this question. But still need to ask. Now I start financial year with by company A. So company A only provide final settlement account ( including AVP ) in ...
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0answers
73 views

Calculate a realistic project valuation?

If we have a profitable project where profit is x and cost of equity is y and the project has 0 growth and nothing else changes, then the value according to a perpetuity will be x/y e.g. profit this ...
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0answers
47 views

Options contract calculator - for non-equities

All of my options calculators are within stock trading platforms, or readily found on the internet and require stock/index symbols. I am trading illiquid options over the counter, on an asset. I have ...
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0answers
84 views

How to calculate interest charged on my loan given a series of dates & payments?

I want to calculate the interest rate payed for this loan using Mathematica. The initial amount was of 12000€, then they asked to pay 240€ for opening the loan and another 870€ for the insurance for ...
0
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0answers
44 views

How are the sub-periods derrived in TWRR Daily Valuation?

I've been looking at the TWRR Daily Valuation method and I'm trying to understand how to break the total performance period into sub-periods when there are irregular cash flows. As the article ...
2
votes
2answers
107 views

How can we determine how much income our savings could generate if we purchase an annuity?

I am 62 and my wife is 56. We have almost 1.5 M in retirement investment and 250 K in non retirement investments. I was wondering if we both retire in 6 years and turn all our investment into annuity, ...
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0answers
71 views

Excel Canadian Mortgage Formula Help

I need to get the ending balance formula for a project in excel calculating mortgage payout. I am hoping to develop a formula instead of formulating an amortization table. I have used the following ...
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1answer
81 views

How do I calculate the return on my stock _call_ option, similar to my _put_ example?

I'm trying to figure out the effective percentage return when I write ("sell to open") a stock call option. I think I've figured it out for put options. Consider this put example I think XYZ stock ...
0
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3answers
47 views

IRR Calculation

I have a series of cash flows, a $1000 deposit, and then 5 annual withdrawals of $500,$400,$200,$200,and finally, $100. I understand this is an IRR calculation, and set it up as follows: ...
0
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2answers
369 views

Formula for how to distribute a loan payment between multiple loans such that the remaining principal accrues the least interest?

Assume 4 loans (Balance @ p.a. interest): $10,000 @ 5.5% $5,500 @ 7.25% $2,000 @ 5.5% $1,000 @ 4.5% If I am looking to pay $7,250 towards principal only, how would I calculate the ...
2
votes
1answer
67 views

How does Value get rounded in figuring out Bonds Value?

I was reading up on Bonds here on About.com Why Do Bond Prices and Yields Move in Opposite Directions? In the second example it offers: In this example, the opposite scenario occurs. The same ...
2
votes
2answers
328 views

Calculate the optimum contribution to Provident Fund(PF) account

I am fresh out of college and started working and want to work out how much I should contribute to my Provident Fund account to maximize the benefit from tax deductions. I am from India, so for those ...
0
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1answer
59 views

How can I calculate minimum payment on quick loan? [closed]

I am working on calculator for quick loans. Client can select how much he will pay monthly. Base on it payment schedule will be calculated. Payment interest depends on 1 payment period. Number of ...
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votes
1answer
177 views

Which of these unrealized profit calculations is correct? And, why other calculations are wrong?

Which of these unrealized profit calculations is correct? And, why other calculations are wrong? @ $10 per unit, $1000 - Subscription (100 units) $0500 - Cash dividend (50 units) $0500 - Reinvested ...
5
votes
3answers
2k views

Is this the correct math for estimating federal taxes using marginal tax brackets?

(I updated this because I think I wasnt making myself clear in the first part of the question and I clarified what I'm trying to do. I'm just looking to use marginal tax brackets to derive a good ...
4
votes
1answer
548 views

How do we correctly sum up returns

Assume I have done 8 trades and calculated the profit (or loss) of each trade: Balance PnL 100 102 2.00% 105 2.94% 103 -1.90% 101 -1.94% 98 -2.97% 97 ...
3
votes
1answer
59 views

How should I include pension contributions in my UK Child Benefit calculations?

I'm using the gov.uk Child Benefit Tax Calculator and I don't know how I include my pension contributions in the "Pension contributions deducted from your pay" and "Pension contributions not paid from ...
0
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3answers
70 views

Personal Loan issuer online service

I have chunk of money that I would like to loan to my brother. I would like to charge him interest same as banks do. Is there a website or online service where I can enter the "loan" amount, ...
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3answers
116 views

What is the meaning of “$N industry”?

For example, in the sentence "Semiconductor fabrication is a $100 billion industry.", what exactly is being said?
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1answer
513 views

How to calculate forward price for asset with dividend?

I have this exercise question: A particular forward contract costs nothing to enter into at time t and obliges the holder to buy the asset for an amount F at expiry T. The asset pays a dividend DS at ...
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1answer
871 views

Google Finance: Input Parameters For Simple Moving Averages

I'm having some trouble understanding the simple moving average lines that can be added to a quote graph from Google finance. This related Stack Exchange question indicates that the only input ...
2
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2answers
196 views

How to calculate ROI on investments? [duplicate]

I looked through the previous questions, and couldn't find one that quite addresses my question. If I start with $1000, and through investing it goes to $1200(100 shares at $10 go to $12), I can say I ...
3
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2answers
248 views

How can I calculate (approximate) the future value of my investments? Is this formula appropriate?

I want to check to see if I'm meeting my investment goals, so I want to project forward my assets given a growth rate and a monthly deposit amount. What is the best formula to use for this? Is this ...