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wayneL said:The problem you have is that cost of carry (the interest rate component of ITM calls) will be > 10% for 2 years. Therefore, even deep ITM will still will have this component of extrinsic value (plus intrinsic value of course). Ultimately, you will have to cough up a lot more than 10% to do what you want, also increasing the amount you "could" ultimately lose.
cuttlefish said:Wayne are you saying that effectively the price of the ITM calls would have a cost built in equal to a market interest rate applied to the value of the underlying covered by the calls (less premium)?
Yes Exactly so
If I've understood correctly it makes sense that that cost would be built in (because the capital not allocated to buying the full underlying could be applied elsewhere earning interest, so why wouldn't the option writer factor this interest into the cost as well).
And just to clarify - in my sample scenario, XYZ is trading at $10, sideways with 25% volatility, interest rates are 5.5%, the stock pays a .50 half yearly dividend.
My options pricing tool gives me a price for a 2 year $9.50 call of $2.20.
How do I determine the interest component - my logic is that it would be $9.50*5.5% over 2 years = $1.07
So in the $2.20 strike price
$1.07 = interest
$.50 = intrinsic value
$.63 = theta + vega?
It is not quite so precise as that, but basically that is pretty close to how it is priced...providing there is no dividend.
How do dividends come into the equation or do they not impact the premium (as long as we're doing this a fair way away from a divident payment) because the call writer theoretically gets the dividend if they were carrying the stock?
And then the second question that comes to mind - what is the likelihood of me finding a market maker or other trader to give me a price close to that theoretical price? (i.e. am I wasting my time if I think the theoretical pricing tool is giving me any indication of what I'd be able to get at market).
That is the $64,000 dollar question. Unless there is a "market" for those options, the spread is likely to be very wide. You can put in a bid at fair value and see if they bite, but bear in mind contest risk is quite large... you don't want to be trading in and out of this type of position.
You can hedge it using some of the techniques in Mags post however... e.g. sell short term calls over it, if appropriate.
If the stock pays a dividend, this cost of carry component will be reduced to the account for the fact that theoretically, the stock holder is recieving recompense for holding the stock over which you have rights to, and the calls will be proportionately cheaper. But bear in mind this is theoretically reflected in a lower stock price at expiry as capital is being removed from the company.
Thanks for the reponses by the way its got me thinking about a lot in relation to it. (I hadn't even thought about the interest component which is pretty naive really)
cuttlefish said:thanks again Wayne - much appreciated.
When you sell to exit the call, the remaining interest should technically still be priced into the call. The biggest issue again comes back to liquidity where there may be very wide bid/ask spreads from the market makers due to it being so far out, effectively reducing the amount of interest you may get back when you sell.cuttlefish said:...The fact that the interest is effectively being capitalised and paid for up front is an issue as well - how do you recover that if exiting early (except by finding a buyer for it - which probably wouldn't be so much of an issue if the underlying is moving in favour but would be if its moving against). ...
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