Remember the value at a crossing

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11/28/2023 at 7:15 PM #224530 quote

Vogeltje
Participant

New

Hello,

i think my question is simple but I can not get a working answer myself. I want to build a simple system on 5 minutes timeframe that buys when Stochastics (lijnK) crosses over the value 60. So for example at 14.05 lijnK has value 48.77 en at 14.10 lijnK has value 72.33 so a crossing of the value 60 has occured, the system will go long at 14.15

Now I want my system to “remember” the value 72.33 from time 14.10. As soon as lijnK crosses under this 72.33 the trade must be closed again. Seems simple.

I have tried:

c1 = lijnK CROSSES OVER 60

c2 = lijnK CROSSES UNDER aa

// Condition to buy

IF c1 THEN

BUY 1 SHARES AT MARKET
lijnK = aa

ENDIF

// Condition to close longposition

IF c2 THEN

SELL AT MARKET

ENDIF

So I have stated that lijnK = aa. This is not working, it seems aa is considered to be a variable that I must define for optimising the backtest. I do not want optimalisation, and defining aa as varying from 1 to 100 (with 0.1) does also not help.
I have also tried several words instead of aa, for example lijnK = lijnKatcrospos but now lijnKatcrospos is also considered to be a variable…

Detail: when i use

// Condition to buy

IF c1 THEN

BUY 1 SHARES AT MARKET
lijnK = aa

ENDIF

the system buys at 14.15 In fact, I do not want the system to remember the value of lijnK at 14.15 but at 14.10…. but I think writing lijnK[1] = aa would be wrong, the systems looks at the crossing of “lijnK”.

Thanks!

11/28/2023 at 7:32 PM #224531 quote
JC_Bywan
Moderator

Master
Hi, assuming you have a line not shown defining your stochastic, like lijnK= stochastic[14,3](close) for example, but maybe with different settings, you can try with:
```
lijnK= stochastic[14,3](close) // to maybe change with your stochastic own parameters

c1 = lijnK CROSSES OVER 60
// Condition to buy

IF c1 THEN

  aa = close

  BUY 1 SHARES AT MARKET

ENDIF




c2 = lijnK CROSSES UNDER aa

// Condition to close long position

IF c2 THEN

  SELL AT MARKET

ENDIF
```
11/29/2023 at 12:21 PM #224560 quote

Vogeltje
Participant

New

Thanks JC that is a very soon answer..

Yes i used the standard stochastic as given by ProRealTime, but it is in Dutch:

// Stochastic 14,3,5

plusHoog = highest[14](high)

plusLaag = lowest[14](low)

oscillator = (close – plusLaag) / (plusHoog – plusLaag) * 100

lijnK = average[3](oscillator)

lijnD = average[5](lijnK)

In my case lijnD is not used, we are talking about lijnK. This lijnK oscillates between 0 and 100.

The standard stochastic does not use the term close. It works with lijnK and lijnK[1] and so on….

The answer you give contains close and I think that will lead to confusion since close refers to price.

But your answer made me thinking. Maybe I should write:

c1 = lijnK CROSSES OVER 60

// Condition to buy

IF c1 THEN

  aa = average[3](oscillator)

  BUY 1 SHARES AT MARKET

ENDIF

c2 = lijnK CROSSES UNDER aa

// Condition to close long position

IF c2 THEN

  SELL AT MARKET

ENDIF

11/29/2023 at 12:49 PM #224561 quote

JC_Bywan
Moderator

Master

Hi, you’re absolutly right, big mistake I made in line 8, memorising the value of lijnk at crossing in line 8 should have been aa=lijnk, not aa=close, what it does is memorising into aa the value lijnk has at close of the candle during which lijnk crossed 60.

And also, yes you could also use the average[3](oscillator) you have, it would work too to memorise its value into aa when c1 true.

11/29/2023 at 1:01 PM #224563 quote

Vogeltje
Participant

New

Thanks JC! I will try this. It is actually very funny! At start I wrote lijnK = aa and that was wrong…. It is just the other way around… I will try later today…
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