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I think the key psychological assets are: 1) an indestructible belief in the law of large numbers, and its corollary: "the outcome of the current trade doesn't matter the least, as long as it is perfectly executed according to my trading plan / system rules which has a positive expectancy"...

Are you familiar with the CME messaging efficiency program? http://www.cmegroup.com/globex/resources/cme-globex-messaging-efficiency-program.html

Thanks Gmst ... on that note, I replied to your PM a couple days ago, looking forward to your response now.

I started migrating my 2 live systems from Ensign/BracketTrader/IS-TWS to Ninja/IB-TWS a couple months ago, and along the way I have found a number of Ninja bugs, most of them in the end have a decent workaround. The last one I found is pretty severe, it does indeed have a workaround but that...

I have to disagree with this. Really, most every successful trading system idea is public & well known (with a very broad brush, for single leg strategies: trend-trading, mean-reversion). trend-trading: only 2 ways of doing it ... enter in pullback, or enter on break-out. Of course, the...

Funny ... my best system trades off a 100-volume chart on CL, however I had to take time in consideration to get it resilient to volatility-induced noise. Also, when the avg volume per minute drops "enough", setups outcome tends to be more random. In my experience, both price, time & volume...

You might be a good trader (prove it!), but the last sentence of your post was childish at best, I would also say plain racist. May be that make you feel you're a "man", the truth is that makes you appear like an a......

Then I suggest you edit the post that triggered my question & remove the 2 last lines. I will then remove my later posts.

On the general use of stats ... yes, I believe some stats are useful and do actually show something. One of my favorite is to look at the distribution of MAE, separately for wins & losses. That tells a lot on the effectiveness of the entry placement. For example, using the DF20 system /...

Can you describe here in plain english one of these well-know technical strategies, with a "classic" edge?

This sounds very exciting, yet I have no "real world" idea of what you mean. Care giving a basic example of a non-stationary strategy adapting to market conditions?

That system is a reversal system (picture this as taking the 1st pullback after a trendline break), trading one reasonably near target (avg Reward:Risk = 0.90) & one runner (avg Reward:Risk = 2.30) ... considering target-1 & runner as different trades, the stats are as follow: For target-1...

The timeframe you use need to have enough resolution for you to "see" all the details of price-action required to implement the strategy. Of course, that means than a given "pattern" will take several bars to form, and hopefully your trade will also take several bars & even more than that -...

In my world, entries & exits are just one side of the coin ... the other side of the coin is all the non-entries ... non-entries because either being filtered-out, or being simply "undetected" by the current implementation of the strategy. Those non-entries are just as important to the...

Despite the lack of apparent interest in this offer, here is an update of where I stand: - Validated both strategies' real-time behavior using MarketReplay (re-read this ... it is the real-time behavior that I validated, not the performance of the strategies! Ninja's fill engine for Sim101...

Wrong - the actual bet on a system, is the max drawdown you will allow the system to get into, before pulling the plug. One component of that is intrinsic to the system (although it is up to you to calculate it, and a key factor is the confidence level you use to that effect), the other part is...

I keep asking myself: "for what reason does this setup (or filter) works ?" ... if I can find a real solid answer to that, then I consider trading it. Also, imo, the smaller the test sample, the smaller you should bet on a strategy.

Did you read Aronson's book (Evidence-Based Technical Analysis)? What performance level would it take for the best system out of 7 billions to refute the null hypothesis? IMO, the problem isn't so much that randomly generated TA works or doesn't work ... it is to identify recurring market...

If you believe you'll get the VIX open in time to filter your trades, then it's ok (I have no idea what kind of delay there is on the VIX, however since it is based on S&P 500 options, it would make sense it suffers a delay - just make your own due-diligence on this).

- Are you using intraday readings of the VIX for filtering? Else, make sure you are using the prior-day VIX reading at the close. - The levels you picked are off-course very much optimized ... you should look into using a stochastic on the VIX, a pretty unoptimized lookback period for it as...