On one track...
I have the plans to help me achieve the state
of peak performance. That's going to take me a lot of time to reprogram
my brain, but based on a great comment from Flowtastical, it can be
really as simple as:
Study your best trades and execute them better. That is peak performance.
On the other track...
I'm still trying
to "make it my own" trading the ES with the DS system. And since I'm
back to trading on SIM (simulation account) to really nail down what my
style should be, one thing that has been bothering me is the lack of
confidence I have with fills on SIM with limit orders.
SIM fantasy fills - to good to be true
When you use limit orders to enter and exit a position, you usually get
a fill even if it doesn't trade through your price -- I call those "SIM
fantasy fills." So today, I began a day of experimentation trading the
DS system with more of an aggressive scalping style (12 to 30+ trades a
day) so that I could generate as many trades to evaluate.
The goal - make SIM results more realistic
Since
I was a bit taken aback by the differences between SIM results vs. live
trading in my last foray, I wanted to able to find a way to trade my
SIM account so that it would better match real life results. Next time,
I don't want to be so surprised about my live P&L
differences vs. SIM.
Adjustments made when trading SIM
For my experiment, my
profit target was set to +2.00 and stop loss was -2.00. However, as I
started to complain about how the SIM fantasy fills were too easy and
not like reality, CLETrader (the resident expert in the DS room on
scalping strategy) recommended some of the following revisions to my
bracket order on SIM:
- Move my profit target limit order to +2.25 (and including the bullet below = +2.50)
- Place my limit entry at a 0.25 favorable (more difficult to fill) level
- Stop loss would remain at the original price
- A $5 commission added per round trip
The adjustments accomplished a few tasks
- The original entry limit order would have been filled in real life
- However, every order, regardless of outcome, will have overstated profit by a tick. This needed to be adjusted in the final results.
- The original profit limit order would have been filled in real life
- However,
the trades the hit the profit target order will have overstated profit by a
tick. This needed to be adjusted in the final results.
The downside - manual calculation work necessary
The
only difficult part of this task is the additional overhead necessary
to calculate and apply the adjustment for every individual trade
manually or semi-manually via Excel to generate the revised results. But to me, this is a task worth doing in order to give better
confidence whether the trades would have filled (or not) in real life.
An error in my experiment
In
hindsight, I applied the incorrect values to my bracket orders today,
and didn't modify my profit target limit order by another tick. In some cases, this
did make a difference on whether I got the fill or not.
Experimentation results
Please
note that I was NOT trading a specific strategy consistently
throughout the day (although it was more scalping related), and in
addition, note the error explained just above which also impacts the results. So
this "experiment" has a lot of holes, and the actual P&L is
somewhat meaningless.
 |
| Cumulative P&L |
However, focus on the gap between the
raw SIM results (
red dashed line) vs. the
adjusted live results (
blue line).
A quick glance helps to explains one of the reasons why some users
(mostly active daytraders who primarily use limit orders) of
SIM are shocked by their results when they start trading live. As the
day progressed, the chart illustrates how small adjustments began to
compound the difference between Adjusted Live and SIM results significantly.
I had 36 trades (I'm really tired now!) with a not that great
51.6% accuracy, which goes to show how I wasn't on track with the DS
system which usually gets 70-80% accuracy. Average gain was $96 and
average loss was $87 (both raw SIM output), so we're talking about some tight margins on this
particular day.
One more interesting highlights is how the raw SIM data ended the day showing a gross profit, whereas the adjusted data showed a significant net loss. With a relatively large volume of trades, the commissions and adjustments quickly overcame any gross profits.
The takeaway
When trading (especially active traders) via SIM utilizing primarily limit order entries/exits with an even risk/reward ratio, it is very useful to make adjustments to your final SIM results to avoid a false sense of confidence and success.
The method discussed here of adjusting the entry orders, in addition to penalizing the
results of the trades, is likely to error against the trader's P&L greater than reality.
However, if reality ends up being a little easier because of this
approach to trading on SIM, I consider that a successful outcome.