Stocks & Commodities V. 32:2 (16-21, 40): Static Option Income Strategies: Do They Work? by Giorgos E. Siligardos, PhD
Product Description
Static Option Income Strategies: Do They Work? by Giorgos E. Siligardos, PhD
Myths vs. Facts
If you’re trading options, you’ve probably heard of
static option income strategies. They promise low
but almost riskless profits every month by selling
premiums in up, down, or sideways markets, and
you don’t have to make any predictions about the
direction or the volatility (implied or actual) of the
underlying. Sounds too good to be true, doesn’t it?
Here’s what you need to be aware of before you start
trading them.
Today’s technology and rapid dissemination of
information and the friendlier trading environment
in derivative products for retail traders
gave birth to the so-called option income strategies.
These are mostly multileg positions in options aimed
at earning small profits month after month. In their
most popular (and extreme) versions, these strategies
apply static, global, and specific entry or exit rules,
eliminating any guesswork about the direction of
the underlying.
In this article I will discuss the theoretical background
of the most widespread of these strategies,
the systematic short iron condor (SSIC). I’ll explain
why it became so popular and why the widely touted
probabilistic arguments — in theory and in practice
— used to support it are misleading. Let’s see if it’s
possible for the average trader to be profitable over
the long run when using SSICs.
The SSIC, briefly
The SSIC strategy is based on systematically shorting
iron condor (IC) positions with options that are
sufficiently out-of-the-money (OTM). A theoretical diagram of a profit/loss graph of a short IC is displayed
in Figure 1. Such a position is composed of
two vertical credit spreads:
* A vertical credit spread with OTM puts having
strikes below the current spot price
* A vertical credit spread with OTM calls having
strikes above the current spot price.
All options involved are based on the same underlying
and have the same time to maturity. The
underlying is usually a stock market index (SMI)
for the following reasons:
* SMIs move much more smoothly than single
stocks
* Most options on SMIs are European, which
eliminates the possibility of early execution
for the short legs of ICs
* Option markets on large SMIs such as the
Nasdaq 100 (NDX) or Russell 2000 Index
(RUT) are liquid and their bid/ask spreads
are significantly narrower than the bid/ask
spreads of single-stock options.
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