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quatron
 

Registered: Jul 2011
Posts: 63

 

08-23-12 05:18 AM


Quote from cdcaveman:

How could two calls at different strikes have the same iv



Easily. Look the attached this picture (the first nice-looking from google :
Strikes around 3900 have almost the same IV because the curve bends there.

volatilitycurve.jpg
This has been downloaded 90 time(s).

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justrading
 

Registered: Apr 2011
Posts: 933

 

08-23-12 06:20 AM


Quote from quatron:

Easily. Look the attached this picture (the first nice-looking from google :
Strikes around 3900 have almost the same IV because the curve bends there.



A picture paints a thousand words, but this is still awesome. I'm going to save this for future reference.

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hedgeman
 

Registered: Jul 2012
Posts: 78

 

08-23-12 07:24 AM


Quote from quatron:

Sorry, I did not mean that you are doing something wrong. Of course everyone has their own style.
What I meant is by closing out your position early you are giving away profits. Unless both options worth a penny which I highly doubt. As you go into expiry you can have more longs for each short, just maintain the ratio. It has similar risk as you have in the back month. In the end of the day all we need is theta and it flourishes in the front month.
Can you give an example of a completed trade with prices you took to open and close position and where the underlying was? Thanks.



I understand what you are saying about adding longs as you enter the final days/weeks to expiration, but the way I do it is to close shorts or close spreads, I think its the same idea in keeping the ratios with excess longs. The shorts are my focus, not adding to the trade with so little time. I'm not concerned with the small money give back.

The RUT SEPT puts 680/660 (4.20 and 2.87) on 08/01 was a decent size, I closed most of these down as the market ran up and vols came wayyy down for small money. RUT was trading at around 780. So, I am closing not just the whole thing but I chop it down piece by piece. This is part of a larger trade which includes another back ratio call spread at 860/880 (1.28 and .49), which was nearing an adjustment so I added an additional put back ratio at 710/690 to finance a potential trade to protect the call side.

This is like an iron condor but much safer. Since the OP opening post was about the dangers of way of the money credit spreads, I had mentioned an alternative of back ratios. It kind of got out of control because some traders are curious and want to make safer bets. This is just one way. As you say, all traders develop their own style but this is one of my favorite trades and has been good to me.

Just remember, this DOES take on the same characteristics as an iron condor as you get close to expiration, you will have gamma risk, this means the options further out of the money will be almost worthless and the shorts closer to the money will still have value, so if you have big moves, its going to hurt. This is where we have disagreement but I understand your point, to collect all the premium and ride it into expiration is fine, its very popular. No trade is perfect but I always focus on what potential losses could look like and if I want to trade size, I can, confidently.

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quatron
 

Registered: Jul 2011
Posts: 63

 

08-23-12 09:07 AM


Quote from hedgeman:


Just remember, this DOES take on the same characteristics as an iron condor as you get close to expiration, you will have gamma risk



Well it does only if you don't adjust the ratio (by closing shorts or buying longs or both). If you do adjust then it's a completely different trade with completely different risk profile.

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cdcaveman
 

Registered: Aug 2011
Posts: 3529

 

08-23-12 09:21 PM

shorter strikes on backspreads.. seem more intuitive .. if your trading strickly for credits i can kinda see why widening would increase the credit.. but that gives the "randomness" of the market a bigger range to hurt you in before your longs start punching back... a bigger range seems to me like a way to hedge complete blow out through both strikes.. IE a 15 wide strike on apple compared to a 5 wide strike.. rather then putting three 5 wide's you put on one 15 wide.. and the underlying has to travel alot longer to get ya real good..
that being said.. i get lost when you talk about slope.. i look at the smile as like a fucking skateboard half pipe and it seems more fun to me! haha but seriously the flatter the smile.. the faster the options prices fall off dollar wise as you go otm.. such that ratios are easier to put on at closer strikes.. (correct me if i'm wrong)
every options chain i look at i see different Implied vols up and down the chain no matter where i'm at.. (say 20 strikes on aapl) so i still don't understand.. and your graph only confused me more.. maybe i'm just a total noob.. idk






Quote from quatron:


The ideology is to take more credit with a wider strikes but have greater skew risk. The wider the strikes the more you are exposed to the changes to the vol curve.
I believe it was me talking about the slope, not hedgeman. The slope itself does not have effect on the ratio but the change in slope if underlying gaps to a short strike does. E.g. both calls had the same IV when you put on a trade, so the slope was zero. This is very common for otm calls. But when underlying touches the short strike your short call IV will be much higher because the slope turned negative. You need to predict this and have such a ratio that you compensate the lower IV for long calls (with having more long calls).
Re your last question - the ratio you can do for calls depends not only on the slope but also on the time to expiry. You are right, if the slope is not steep (positive slope, meaning otm vols rise) than you can get more longs for each short. But if the slope is negative (otm vols fall) then the steeper the better.
Looks like hedgeman does not fully understand the effect of time-to-expiry and changes in the skew on backspread position. That's why he thinks it's dangerous to hold it in the front month. It is indeed more dangerous but not significantly and not hard to manage.

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quatron
 

Registered: Jul 2011
Posts: 63

 

08-24-12 11:39 AM


Quote from cdcaveman:

shorter strikes on backspreads.. seem more intuitive .. if your trading strickly for credits i can kinda see why widening would increase the credit.. but that gives the "randomness" of the market a bigger range to hurt you in before your longs start punching back... a bigger range seems to me like a way to hedge complete blow out through both strikes.. IE a 15 wide strike on apple compared to a 5 wide strike.. rather then putting three 5 wide's you put on one 15 wide.. and the underlying has to travel alot longer to get ya real good..



Exactly. There are other reasons why someone would trade wider spreads but in the context of this discussion it's just more credit in exchange for more risk.



Quote from cdcaveman:


every options chain i look at i see different Implied vols up and down the chain no matter where i'm at.. (say 20 strikes on aapl) so i still don't understand.. and your graph only confused me more.. maybe i'm just a total noob.. idk



I attached a picture of STOXX50 index options, the strikes in the circle have same IV (almost, the difference is too small)

screenshot from 2012-08-24 19:46:04.png
This has been downloaded 58 time(s).

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