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October 22, 2019 at 2:54 pm
Hi sir at 22:55 minutes of the lecture sir why to the 6:65% we are adding the 0.18% aren’t we receving the 0.03% so shouldn’t we deduct the 0.03% here to the 6.9% we are adding 0.18% to look at the net interest saving by having a floor but l didn’t get the logic as to why we are adding 0.18% to 6.65%
August 29, 2019 at 6:47 pm
One of the best teachers ever on this topic – you make complex issues simple to understand. Thanks!
John Moffat says
August 30, 2019 at 7:52 am
Thank you for your comment 🙂
August 23, 2019 at 1:43 pm
August 23, 2019 at 2:17 pm
May 29, 2019 at 8:59 am
Dear Sir. One question is that you said that the better collar would be where the min is lower at 7.1% which was a counting mistake. 6.65+ 0.16 = 6.81 So from both of these collars can you please tell which one would be better now ? 6.81% – 7.31% 6.83% – 7.08% I’ll be waiting Thanks
May 29, 2019 at 1:46 pm
You cannot say which is better (and the exam will not ask you to). You will be either asked to illustrate how a collar could be used (as this example does), or asked to advise in which case you would state the various limits, the net cost, and discuss.
February 7, 2019 at 6:01 am
Create work, just regarding interest rate options and futures.
Can you do all the work in percent and not calculate the actual profit on futures or options in amount
ie have an answer like this regarding options (borrowing)
gain on option 1% libor is 6% premium cost 0.3%
total cost is 5.3%
will you get full marks? its just so much quicker
February 7, 2019 at 9:43 am
It is quicker and you would always get some of the marks. Whether you would get all the marks depends on precisely what the question asks for.
The problems are (as I do show in the lectures) that because of basis risk the gain will not be exactly 1%, and that because of contract sizes it will only apply to the contract amount.
January 29, 2019 at 3:38 pm
When selling Call Option to the depositor would it refer to as “Shorting/ Short Sell”? because the impression was Agnes selling something which is not owned.
Likewise it is possible to sell a Put Option to a borrower? Thank you.
January 29, 2019 at 5:47 pm
In practice, what you say is true – selling anything that you do not own is short-selling. However the way the exam questions are phrased, it is better to assume that we are the provider of the option (as opposed to selling an existing option) and that therefore it is our responsibility to fulfil the option should the buyer of it choose to exercise it.
November 16, 2018 at 1:46 am
At the end of Example 7 you added the minimum interest rate (6.65%) to the net premium (0.16%) and got an answer of 7.81%. Shouldn’t it be 6.81%?
November 16, 2018 at 6:18 pm
Sorry – it was a silly mistake 🙁
I will correct it.
August 17, 2018 at 12:47 am
Hello Sir. Could you kindly explain why we are adding the net premium to the minimum interest rate? I understand why we are adding it to the maximum interest rate on the put option, but why are we including it twice? Thank you for all your help.
August 17, 2018 at 7:33 am
The premium is payable whether or not the option is exercised. So although the collar fixes the maximum and the minimum effective interest rate, there is always the net premium to be paid in addition.
July 25, 2018 at 2:24 pm
When we set a collar, we buy at a strike price. This strike price could be any price from the option given in the question or is there a way we decide on which strike price to buy at for collars. Help will be appreciated. Thank you.
July 25, 2018 at 4:21 pm
There is no best strike price to use (fixing a ‘better’ cap or floor will cost more in terms of the premium, which may be wasted because the option is not exercised).
Unless the question specifies differently, then ideally you would illustrate with all of the strike prices available. However the marks are mostly for proving you know how options (and collars) work and so just using one strike price would get you most of the marks.
July 31, 2018 at 3:29 pm
Thank you so much sir.
July 31, 2018 at 5:02 pm
You are welcome 🙂
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