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Truth in Backtesting (Part 12)

I will complete (for now) this blog mini-series by detailing a few additional backtesting pitfalls likely to misrepresent potential trading system candidates according to Kevin Davey.

The third backtesting pitfall involves limit orders that fill when price is touched rather than penetrated.  Davey writes:

> One of the tricks unscrupulous system vendors play is to assume that all limit
> orders are filled as soon as the price is touched.  You can recognize this… If the
> method shows trades… bought at the exact low of a bar, and/or sold at the exact
> high…you can bet this game is being played… Of course, the reality is that it is
> hard to buy the low and sell the high.  My experience is that… you can probably
> do this 5-20% of the time.  The other 80-95%… price has to trade through your
> price to get you a fill at the limit price… This can be an issue…  If your back-test
> engine assumes… limit orders are filled when touched, the results will be…
> optimistic.  If the back-test engine assumes price must be penetrated to get a
> fill, then the back-test results will… be… pessimistic.  I always go with the
> pessimistic approach.  My actual results can then only be better
> than the back test [emphasis mine].

The final pitfall Davey describes involves strategies that exit on same bar as entry or have tight stops or profit targets such that a profit and loss exit could occur on the same bar:

> My experience is that it is easy to trick a strategy engine… when entry and
> exits occur on the same bar.  This is due to the assumptions the strategy
> engine must make regarding price travel.  Usually, the results will be overly
> optimistic when compared to real live trading.

A first goal should be to backtest in a way that closely models live trading.

A second goal should be to trade like I backtest.

If these are done then I have a better chance of developing a trading strategy that will work just as well in real time.

Truth in Backtesting (Part 11)

In my last installment of this blog mini-series, I discussed… well honestly, I don’t know.  That was well over two years ago!  I am happy to have found this link, though, because now I have some items to add to it.

I just finished reading Building Winning Algorithmic Trading Systems by Kevin Davey (2014).  For anyone looking to get into algorithmic trading system development, I would definitely recommend this book.  I’ve read a few books on the subject and this gave me a few new ideas that I had not read before.

According to Davey, incubation is the phrase of trading system development where I should wait and watch system performance before I start trading with live money. 

One reason Davey doesn’t feel the need to incubate with any real money (even in small size) is because he is careful to avoid certain backtesting pitfalls he feels would falsely exaggerate live-trading performance. The first such pitfall to avoid involves buy (sell) orders that fill at the low (high) of a bar.  This rarely occurs in real life, Davey says.  Unscrupulous system vendors and naive developers produce strategies that frequently include this.

Davey also makes a point to avoid exotic technical analysis templates like Renko, Kase, and Point-and-Figure charts.  “The way these are built from history,” he writes, backtesting fills often cannot be believed.”

Either of these pitfalls could make a trading system perform better in development then they are likely to trade in real time.  They are therefore good vehicles for misrepresentation and that is why I have categorized this under optionScam.com.

I will conclude with the next post.

Some Ramblings on Elliott Wave (Part 3)

Today I conclude a trader monologue heard a few years ago.

“I meet a lot of professional traders: futures, commodities, forex, large private investors, RIAs, market makers, pit traders, black-box programmers, etc. I always ask if they use Elliott Wave. I have always gotten the same basic response: ‘we look at them because other people look at them. Sometimes we look for levels of support and resistance at those levels, but we don’t trade off of them.’

I know there are people who claim success using Elliott Wave but sometimes things work for different reasons.

Jeff Augen did a dirty little trick once. He took random data (using lognormal scale) and presented the data to technicians. They worked their magic and drew their conclusions. He later told them it was all random. Reading that was a seminal moment for me. It really changed my perspective on technical analysis. Augen essentially believes it’s all hocus-pocus. I don’t go that far but I do believe it gets a lot more credit than it deserves.

So… what do I think? I put Elliott Wave much closer to astrology in terms of being able to predict future market movement.

By the way, I am Sagittarius with moon in Taurus and Venus was not in retrograde, which totally explains everything you need to know about me.”

Some Ramblings on Elliott Wave (Part 2)

In a previous post I began summarizing a trader monologue from a few years back. He continued:

“One of the best-known Elliott Wave practitioners is Robert Prechter. Go here to see who has the worst track record of the entire bunch. 23% accuracy! He was right: just early…

The [lack of] evidence doesn’t stop the faithful, however. When the market pulls back, they jump out of the woodwork: ‘AHA! SEE, I TOLD YOU THE MARKET WAS GOING TO PULL BACK! JUST LIKE THE ELLIOTT WAVES PREDICTED.’

I have a prediction. The market is going to go down for a while and then it is going to go up… and then it’s going to go down. AHA!

I consider Elliott Wave theory as a religion. Despite rational thinking and evidence to the contrary, ‘you gotta have faith’ to believe. When an Elliottician arrives at a conclusion using irrational thought, it’s impossible to use rational thought to talk them out of it.

In order for Elliott Wave to work there has to be a behavior that is governed by some set of rules. Elliott believed that traders would exhibit certain behaviors due to psychology. This may have been true in the 1940s but the markets and rules have changed. The advent of electronic trading has brought about thousands of trading methodologies that could never have been conceived by Elliott.

If someone could explain to me WHY IT WORKS, then I might believe it. Scientists understand “why it works” in nature. “Human psychology” is not a plausible reason when things like the uptick rule, circuit breakers, high-frequency trading, black box trading, short squeezes, and delta-neutral portfolios exist in the market.

I do think there is something going on. Certain stocks will rise to certain levels and tend to fall to certain levels. You can look at a chart and understand what I am saying.

People want to believe there is something out there that holds the key to the universe: the Holy Grail, if you will. This may exist but it’s not the Elliott Wave…”

Some Ramblings on Elliott Wave (Part 1)

A couple years back, I listened to a trader talk about Elliott Wave analysis. I found the diatribe interesting enough to save as a potential blog idea.

“Once upon a time,” he began, “I was introduced to the Elliott Wave. I thought this could be the answer although neither my research nor money found anything reliable: only subjectivity.

The ‘Elliotticians’ suggest one might look at a stock and think ‘if it is going to pull back then it would probably drop to X and if it really dropped it would probably come down to Y and it if bounces back, then it would probably come up to Z. You look at a chart and you can sort of tell what looks reasonable. Those ranges tend to be close to Fibonacci retracements.

I really thought there might be something to this analysis. The Elliotticians are very convincing and they can, of course, pull up historical charts and show you exactly how this works. They just aren’t so great at predicting future moves [something common to a lot of technical analysis ‘gurus’]. A common term, when technical analysis errs, is ‘I was early.’ This means the stock went the other direction for a while. Eventually any prediction will come true, right? Almost any, at least.

What really got me interested was a guy from Down Under with an incredible track record. The evidence was astounding: almost too good to be true. It looked like a money-printing machine. It was really expensive, though. They wanted $10,000 just to access the software. It was quite tempting.

I decided to do a bit more research brought to you by Google! I found some dirty little secrets about the founder. First, he results were actually backtesting. Shockingly, he was right every time! It was uncanny. Second, a criminal penalty was assessed to this guy for being ‘disingenuous’ about the results. He is still out touting the magic of Elliott Waves in another country under a different company name. It’s the same basic stuff, though…”

SysCW: Fraud or Failsafe? (Part 3)

I am wrapping up this long series on CC/CSP trading with a focus on Rich MacDuff’s SysCW trading service.

I continue with content from the SysCW on-line forum.
——————————-

> Why not just start small with 10 positions and do ten buy-writes and see
> how it works for you and then slowly graduate into more… and once you
> have experience with selling calls than learn about collars and adjusting
> trades along the way to create a money machine.

I don’t believe there is any such thing as a “money machine” in the world of trading. You are going to have good times and periods of loss. If you never have a big loss then you’re extremely lucky (i.e. people do occasionally win the lottery) and perhaps more hobbyist than someone who trades full-time for a living. Never expect a money machine despite what select proprietors tell you. That encourages trading too large, which can put yourself at great risk for catastrophic loss.

> It becomes really fun and very simple after awhile.

Everything about CCs and CSPs has been fun over the last few years. Same goes for pretty much long anything. What matters with regard to a viable strategy is how it fares during the toughest of times. The toughest of times are easily “out of sight, out of mind” when the going is good. When the going is good, the toughest of times are hard to remember or recreate but this is precisely what we must do when properly researching a trading system.

> Sorry if I didn’t answer your questions. I’m sure Rich will chime in.
> But it sounds like fear is your greatest concern.

Fear should be everyone’s greatest concern until all moving parts are identified, pieced together, and making sense.
——————————-

My goal is not to debunk SysCW. My goal is to better understand it and put myself in a good position to evaluate its merits as a comprehensive trading system.

I encourage you to explore and to do the same.

SysCW: Fraud or Failsafe? (Part 2)

Last time I inched the spotlight away from CCs and CSPs and onto Rich MacDuff’s SysCW trading service. I will conclude this blog mini-series with some content from the SysCW on-line forum.

——————————-
I see two major hazards. First is the [black swan] market crash…

Second is the “trap,” where I have an Interim trade (maybe a Weekly option that is collecting “juicy” premium) and the market suddenly catapults higher. Now, that juicy weekly premium is irrelevant because I need to search months to years out in time to roll for a credit. In backtesting I have seen cases where no credit opportunity exists (like Vegas with its maximum bet on blackjack tables, all optionable stocks have a longest-duration option series available). My remaining options are:

–Roll for a debit and hope (hope is not a viable market strategy)
–Dollar cost average (cannot do this if I am fully invested, which Rich has most recently started to recommend)
–Accept assignment and realize the loss

In 2008 where everything tanked, all of my positions would be Interim trades. In 2009 when the V-bottom printed, I could be trapped on most or all of my positions and forced to lock in huge losses across the board.

That is my biggest concern with SysCW.

> Why not just start small with 10 positions and do ten buy writes and see how it
> works for you and then slowly graduate into more.

That is fair… 10 positions in an account that could handle 20, for example. While the Math Exercise looks for 15% annualized return, though, I would only be realizing 7.5% annualized overall. I will increase allocation over time but ultimately the question remains as to how much I can increase because Rich says I should be making 15% annualized on the whole account.

One way or another, the question about whether or not to be fully invested must be answered. If not then how much cash sits idle on the sidelines? In this case with the Math Exercise targeting 15% annualized on every position then the transparent reality is a system unable to deliver on its promises. Period.
——————————-

I will continue in the next post.

SysCW: Fraud or Failsafe? (Part 1)

The time has arrived to gradually transition away from covered calls and cash secured puts and to focus specifically on “Systematic Covered Writing.”

Is SysCW a viable trading system or is it a Rich MacDuff fraud?

In the last post I provided a partial listing of Rich MacDuff catch phrases taken from his e-mails to subscribers. The underlying tone is one of arrogance, of simplicity, of sarcasm to emphasize outsized returns… he makes SysCW sound like an ATM machine. Hardly ever a mention of anything negative and certainly little to nothing about risk or losing.

The most infamous money manager to never post a losing month was arguably Bernie Madoff. He is now serving a 150-year prison sentence for fraud (among other things).

I believe there is no such thing as a money machine in the world of trading. As a trader, I will have good times and I will have losses. If I never have a big loss then I am extremely lucky. If I never have a big loss then I may also be trading as a hobby rather than trading full-time for a living where I must trade in larger size and risk more money to pay the monthly bills.

Despite what some people say, never expect a “money machine” in the world of trading. Such a false expectation encourages trading too large and putting oneself at great risk for catastrophic loss.

When you see blatant arrogance like this surrounding anything financial, the best course of action is probably to turn the other way and run as fast as you can without ever stopping to look back.

Few things scream “OPTIONSCAM.COM!!!!!” any louder than this.

Covered Calls and Cash Secured Puts (Part 41)

I am winding up this blog series with concerns about Systematic Covered Writing (SysCW) as a viable trading system.

Directly or indirectly, Rich MacDuff often refers to SysCW as a “money machine.” When you order his book Systematic Covered Writing (2011), he offers a free one-month trial to his service. I maintained a collection of “catch phrases” from his e-mails:

> It always boils down to the math… since November 18th, this CLF
> investment has generated cash at 60.43% when annualized… what if
> we end the year with only half that return… would it really
> matter what the stock is trading for at the time?

> We know that we will not go broke establishing positions that generate
> cash at an annualized rate 52.61%, which is exactly what we did. Wahoo.

> We will be playing this bad boy again!

> Some returns are ridiculous!… I hope you don’t blame me…

> This will be a one word commentary …SWEET!

> …we elected to allow an ‘interim call’ to be exercised because there is
> nothing wrong with a position that ends with an annualized gain of 70.80%.
> (Duh!) … It was not a hard decision to make.

> We are being paid for owning stock even though we were ‘wrong’ at the time
> of purchase. It’s all good. Kind of like the Seahawks! (I spend the bulk
> of my adult life in the Seattle area … what fun!)

> Such is the nature of the Weekly Strategy. We have to trade more often,
> but we are rewarded with more control and more cash. Got to love it.

> …options all expire this Friday. This means we will have an opportunity
> next Monday to either write calls against stock that is assigned, or
> establish new csp positions. Over and over … we generate cash.

Take a good look at the underlying tone here. I will continue discussion on this matter in my next post.

Portfolio Considerations of a Trading Strategy (Part 8)

Over the last few posts, I’ve been making the point that portfolio considerations, or “money management,” is an integral component of trading system development. Without these details, a viable business plan cannot properly exist. I’ve suggested these details to be frequently overlooked because discussion of one’s personal wealth is very limited in Western culture.

Discussion of wealth is not suitable for strangers, friends, or even the closest of family (if that) in many cases. This leaves only one’s financial advisor or personal attorney as potential confidants.

Whenever discussion is taken out of the public domain and packed into isolation between a select few (or less), the medium suddenly becomes ripe for coercion and chicanery to proliferate.

Understanding this is why I encourage traders or anyone associated with Finance to watch the CNBC television series American Greed. Innocent people are repeatedly usurped by sketchy characters posing as investment advisors or lawyers who offer a cut of “special opportunities.” So often, the directive becomes something like:

“…but don’t tell anyone else. I’m making this special deal
available to only a select few. Give me your money and I’ll
invest it. You will receive monthly statements and be able to
track its growth. Just keep this between us.”

Because I hope to make loads of money, I heed your demands. If you can swear me to secrecy then you don’t have to worry about the authorities knocking down your door. You are free to steal my money and to find more victims.

Catastrophic loss in the stock market has a similar feel. The discussion is just between me and the market through my stock broker or brokerage. Things might be going fine for months to years as I receive monthly statements showing a steadily increasing account value. Suddenly a bear market hits and I’m stripped of much wealth.

I don’t even know what hit me. I am decimated.

Without meaning to be insensitive, I would argue the feeling to be comparable whether raped by the financial markets or by the neighborhood con-artist.