July 17, 2020by Mark Rose- 0 comments
Fear and risk
I hope this
message finds you safe and well, and that your lockdown has been tolerable. For
those still shielding, I hope you’re bearing up.
Lockdown at
Trader’s Bulletin Towers has been uneventful – which is about the best you
can hope for.
For me,
going into lockdown was very straightforward – I already worked from home (it
just got noisier). It’s the coming out of it that’s much more tricky and nuanced,
with lots of decisions to make and risks to be balanced. With teenagers in the
house, they are desperate to get out and socialize – again it’s finding some
happy medium between locking them up in a tower, and letting them go to a rave.
As I’ve
often discussed here, human beings are notoriously bad at judging risk.
Whether
we’re deciding to gamble all our winnings on the last round of a game show … (Otherwise
known as the “I came with nothing, so I’ve lost nothing” argument.) … or
we’re hovering our fingers over the button to close a trade …
… relying on gut instinct to tell you what’s right is unlikely the smart
option.
Too often
our risk evaluations run along the lines of … ‘hey, what’s the worst that
could happen’ … or ‘other people are doing it, so it must be okay’ … then
we close our eyes and jump in.
One of the
problems we have with risk is that it’s often not even about a balance with
potential rewards. Risky behaviour can be the reward in itself – taking risks
can be fun.
Risk can
make us behave in strange, irrational ways, because we get a kick out of it. We
like to test our nerve, scare ourselves and get the adrenalin pumping, whether
it’s riding roller coasters or taking Forex trades.
Needless to say, these are some dangerous impulses that we, as traders,
really need to get a handle on!
The best
way to do that is to base our behaviour on facts and data.
The good
news is that we should be able to do that very easily.
That’s a
great thing about trading risk – it’s very easy to quantify.
We can
predetermine our risk before we even dip our toes into the market. If we know
where our stop level is, and what our stake is – we have the exact number for
our risk. (If you use guaranteed stops, you can even eliminate the risk of
slippage.)
So, if
we’re trading with a £2 stake and our stop loss is 50 pips away, the we know
we’re risking £100 on that trade.
More tricky
to quantify is the risk of drawdowns, when multiple losing trades pile up on
each other. However, if you’ve tested your strategy properly, you should know
its success rate – which means that you can calculate the risk of drawdowns …
There’s an
easy way to calculate this.
If you want
to know the probability of getting, say, 5 losing trades in a row, it’s just
your losing rate to the power of 5.
So, if you expect to lose 45% of your trades, then the probability of taking 5 losses in a row, is: (0.45)^5
= 1.85%
So, there we have it – risk has been tamed.
We know
what risks we’re taking with our trades.
Of course,
the nature of uneven returns means that losing runs don’t space themselves out
neatly, and your worst losing run will always be ahead of you (as will your
best winning run!) – but we’ve looked our risk in the eye. We know our
opponent.
It’s then
up to us to keep our risk small and manageable, so we’re not getting sleepless
nights.
Risk gets a
lot of bad press, but it’s really not the villain it’s made out to be. It’s
about unpredictability of individual outcomes – the element of risk is the
same thing that brings us winners and losers. Without risk, there would be no
money to be made from the markets.
Trading losses aren’t about errors (okay, sometimes they are – but mostly they are because we can’t predict individual outcomes). When we realise this, we find trading a much more relaxing and rewarding process.
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