The Risk of Going Naked (Part 1)
Posted by Mark on February 21, 2017 at 06:35 | Last modified: December 14, 2016 16:13Today I want to step back and review the risk of trading naked options.
The following exchange occurred in a Yahoo! Group I followed back in May 2015. R started it out:
> I think anyone selling options should read
> The Black Swan by Nassim Taleb to understand
> low probability, high impact events. This is
> the risk with leveraged naked option selling.
> To give an extreme example, nobody in their
> right mind plays Russian Roulette with a gun that
> has a barrel with 99 empty chambers and just
> one bullet. Even though you are “correct” 99% of
> the time, when you are wrong it’s game over.
V wrote:
> I was in no way doubting your numbers. I just
> wanted to know if you were writing closer or
> using more margin or different underlyings.
> I apologize for the misunderstanding.
V also wrote:
> It’s all good. I appreciate the openness of
> the group and the desire to educate and
> enlighten everyone. The returns are beating
> all hedge funds, which is amazing to me. I
> hope I didn’t come off as skeptical.
I responded:
> You should be skeptical, V. Recent posts by R
> about naked option selling raise an extremely
> good point and very scary possibility for those
> trying to make a living by doing this. The other
> side of the coin is that this work should not
> simply be dismissed because it’s naked option
> selling. There’s plenty of reason to think that
> it can work given particular management
> techniques and strategies: much of which are
> discussed in this group.
>
> Another reason to be skeptical is that even
> people who report solid returns are sometimes
> “under the influence.” They may never have
> seen significant downside and may be ignorant
> as to how positions are affected when volatility
> truly explodes. People might report returns
> accurately but, as R noted, if those returns are
> annualized and we have a 2 SD downmove a
> couple months later then those annualized
> returns will never be realized.
>
> Whenever people start talking or writing as if
> anything in trading is a sure thing or an ATM
> machine, I become suspicious. I believe that’s
> when you should start asking what they’re
> missing or where they are wrong. If you
> can’t find anything then maybe they are truly
> onto something.
I will continue next time.
Comments (1)
[…] This is the kind of sobering talk that makes me uncomfortable with leverage. Regardless of the extent to which market turmoil occurred in the backtesting period, a severe enough market crash could always bring to fruition something worse. […]