QUOTE(frozz@holic @ Feb 23 2017, 11:14 AM)
it's simple math pal, all banks follow the standard defination of P.A. or Per Annum
but when less than a year they will go by ratio of months you choose for your lock in period.
so taking your example
" 1 month FD promotion, 4% per annum. "
would translate to
Interest Rate = 4.0% (as marketed / mentioned)
Effective Rate = 0.3333% (the ACTUAL interest rate you would be getting that will be used to multiple with your deposited amount as it's only 1 month)
In light of your explanation, let me put forth a scenario.but when less than a year they will go by ratio of months you choose for your lock in period.
so taking your example
" 1 month FD promotion, 4% per annum. "
would translate to
Interest Rate = 4.0% (as marketed / mentioned)
Effective Rate = 0.3333% (the ACTUAL interest rate you would be getting that will be used to multiple with your deposited amount as it's only 1 month)
When SCB previously had a 4.5% p.a. for 15 months, you would then say you have gotten 5.6% of the amount you put in.
If a bank were to give you 4% p.a. for 18 months now, would you then say at the end of 18 months you have gotten 5.9%, which makes it higher than the above?
Your math is simple, but not accurate to the rate that an individual would have gotten. You're purely looking at absolute amount versus amount put in, hence why you said 2.66% is low.
In the same essence, if MBSB gives 4.3% for 5 years, interest is 21.5% assuming no compounding interest. If people were to look at it from this point of view, WOW, 21.5% ... which simple maths as you put it, but flawed to the interest rate earned.
To emphasize, your calculation is not wrong. But it's misleading to say that is the effective rate in my opinion. It is an effective sum, based on the effective rate p.a. of the bank.
This post has been edited by McFD2R: Feb 23 2017, 12:29 PM
Feb 23 2017, 12:29 PM

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