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Posts Made By:
Academic Actuary
Forum:
Investment / Financial Markets
11142019, 02:34 PM
Replies:
1
ASM Call Put Option Arbitrage Problem
Views:
254
Posted By
Academic Actuary
Arbitrage based transactions are not based upon...
Arbitrage based transactions are not based upon assumptions or expectations. A put can be replicated with a long call, a risk free 0 coupon bond and a short share of stock. There is an arbitrage if...
Forum:
LongTerm Actuarial Math
11102019, 01:56 AM
Replies:
3
Covariance of Life Annuity and Life Insurance?
Views:
322
Posted By
Academic Actuary
There is a much easier way to calculate Cov...
There is a much easier way to calculate Cov (Y,Z). Substitute Y in terms of Z and use the fact that Cov(Z,Z) is the variance. The results is Var(Z)/d.
_
Forum:
Financial Mathematics
11072019, 11:06 AM
Replies:
6
SOA #149 (confusion about present value factor)
Views:
336
Posted By
Academic Actuary
There is no ambiguity. It says the first payment...
There is no ambiguity. It says the first payment due in 10 years which is 10 years from the inception of the loan. Value the loan one period before the first payment to avoid BGN mode.
I will...
Forum:
Financial Mathematics
11062019, 11:47 PM
Replies:
6
SOA #149 (confusion about present value factor)
Views:
336
Posted By
Academic Actuary
After you get familiar with formulas I would...
After you get familiar with formulas I would recommend trying to do problems like this using TVM functions. Accumulate the initial balance to time 4. Enter the 600 payment opposite sign) with an FV...
Forum:
Financial Mathematics
11042019, 11:28 PM
Replies:
8
What is a sinking fund?
Views:
564
Posted By
Academic Actuary
Can you cite the current questions you found?
Can you cite the current questions you found?
Forum:
Financial Mathematics
11012019, 06:49 PM
Replies:
7
SOA #10 (Interest portion of a bond coupon)
Views:
328
Posted By
Academic Actuary
The interest portion of any coupon is the yield...
The interest portion of any coupon is the yield (initial yield to maturity) multiplied by the value (book) at the beginning of the period. To get the value at time 6 after you have calculated the...
Forum:
Financial Mathematics
11012019, 02:19 AM
Replies:
4
Complex Annuities Practice
Views:
363
Posted By
Academic Actuary
The formula looks correct but it is not the way I...
The formula looks correct but it is not the way I would solve it. I would solve for the present value at time 10 using the P,Q formula. Enter it into FV lets say with a negative sign. Enter 2000...
Forum:
Financial Mathematics
11012019, 12:57 AM
Replies:
5
SOA #160 (My struggle with loans)
Views:
343
Posted By
Academic Actuary
I haven't worked it out but I suspect the...
I haven't worked it out but I suspect the solution involves solving a quadratic. Express the outstanding balances prospectively using annuities and multiply by i. You should be able to solve for...
Forum:
Financial Mathematics
11012019, 12:48 AM
Replies:
4
Complex Annuities Practice
Views:
363
Posted By
Academic Actuary
Your problem is ambiguous. Is there a one or two...
Your problem is ambiguous. Is there a one or two year interval from the final payment of 5 and the payment of 7?
Forum:
Financial Mathematics
10262019, 05:36 PM
Replies:
7
FM Problem
Views:
412
Posted By
Academic Actuary
Closer but still off by a little.
Closer but still off by a little.
Forum:
Financial Mathematics
10262019, 12:59 AM
Replies:
7
FM Problem
Views:
412
Posted By
Academic Actuary
Close but not correct. Try the monthly rate you...
Close but not correct. Try the monthly rate you found and use the present value to compute N on the calculator. Then use that N to see it gives the correct Future Value.
With the correct interest...
Forum:
Financial Mathematics
10242019, 11:57 PM
Replies:
7
FM Problem
Views:
412
Posted By
Academic Actuary
The first statement will give a angle 12n. The...
The first statement will give a angle 12n. The second will give s double dot angle 12n. Take the ratio to give (1+i)^(12n+1) where i is the monthly rate. Add 1 to the s to convert it to 12n+1...
Forum:
Financial Mathematics
10242019, 05:17 PM
Replies:
6
Finan's Text
Views:
298
Posted By
Academic Actuary
Section 35 on investment allocation hasn't been...
Section 35 on investment allocation hasn't been on for close to 10 years now. A problem with Finan is he has a lot of formulas that are based on using tables and are not necessary if you use the...
Forum:
Financial Mathematics
10162019, 11:46 PM
Replies:
7
FM Question
Views:
341
Posted By
Academic Actuary
I would assume that the first dividend of 2...
I would assume that the first dividend of 2 includes the first year's growth. I don't like the wording as it is ambiguous.
Forum:
General Actuarial
10082019, 11:57 AM
Replies:
14
Compound interest and Simple Interest
Views:
1,854
Posted By
Academic Actuary
As a technical point, it would require more than...
As a technical point, it would require more than one compounding per year. If you had equal nominal rates and one compounding every two years, the simple interest would be ahead for two years.
Forum:
General Actuarial
10072019, 12:05 AM
Replies:
14
Compound interest and Simple Interest
Views:
1,854
Posted By
Academic Actuary
Very good example if you specify that the bicycle...
Very good example if you specify that the bicycle and plane will be tied at a specified time (like a year in the interest case).
Forum:
Financial Mathematics
10062019, 11:42 PM
Replies:
5
FM Question
Views:
466
Posted By
Academic Actuary
In his formula j is the rate earned on the...
In his formula j is the rate earned on the sinking fund (5%) and i is the explicit interest rate (5%). The 6% was just pulled out of thin air and doesn't mean anything in this problem.
Forum:
Financial Mathematics
10042019, 10:04 AM
Replies:
5
FM Question
Views:
466
Posted By
Academic Actuary
In a typical sinking fund problem there is a rate...
In a typical sinking fund problem there is a rate that determines the periodic interest payments, a rate that the sinking fund pays, and a rate that can be determined which is the equivalent rate if...
Forum:
Financial Mathematics
10012019, 12:14 AM
Replies:
5
FM Question
Views:
466
Posted By
Academic Actuary
I agree the wording is bad but I thought sinking...
I agree the wording is bad but I thought sinking funds were removed from the exam.
Forum:
Probability
09262019, 12:12 AM
Replies:
23
Taking Exam P WITHOUT a Calculator
Views:
2,242
Posted By
Academic Actuary
I'm impressed that he could simulate without a...
I'm impressed that he could simulate without a random number generator.
Forum:
Financial Mathematics
09142019, 09:46 PM
Replies:
5
FM Question
Views:
478
Posted By
Academic Actuary
The loan isn't paid in equal installments, it's...
The loan isn't paid in equal installments, it's paid in equal installments of principal.
Forum:
Financial Mathematics
09122019, 11:09 PM
Replies:
2
Discounting Principle
Views:
496
Posted By
Academic Actuary
I think he is saying P(1) = 460/(1.05)^2, I(1) =...
I think he is saying P(1) = 460/(1.05)^2, I(1) = 2000 so the payment is the sum. Seems right to me. Gives a loan with 36 payments.
Forum:
ShortTerm Actuarial Math
09102019, 11:05 AM
Replies:
3
SOA 289 #95
Views:
668
Posted By
Academic Actuary
As an alternative, the recursion formula is quite...
As an alternative, the recursion formula is quite simple with geometric frequency.
Forum:
Financial Mathematics
08012019, 05:35 PM
Replies:
5
Annuities Question (ACTEX M2  76 #6)
Views:
652
Posted By
Academic Actuary
and 196 at the end of each of the next 2n years
and 196 at the end of each of the next 2n years
Forum:
Financial Mathematics
07282019, 11:12 PM
Replies:
5
Problem 5.2 in M Finan's Book
Views:
624
Posted By
Academic Actuary
https://sqlsunday.com/2014/08/17/30360daycount...
https://sqlsunday.com/2014/08/17/30360daycountconvention/
That's not correct. D2 is set to 30 from 31 only if D1 is 30 or 31.
Showing results 1 to 25 of 300
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