Screener returns odd data on forex pairs

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06/13/2017 at 9:29 AM #38190 quote
robertogozzi
Moderator

Legend
I want to screen all pairs that are either in Stochastic’s OverBought/OverSold AND the lines are already pointing the other way round, and applied it to 4h TF.

I wrote this simple screener (I use 75/25 for OB/OS, instead of the standard 80/20):
```
StocK = Stochastic[10,6](close)          //10,6,3
StocD = Average[3](StocK)
OB    = (StocK < StocD) AND (StocK > 75) //K < D is going south despite being still in OB
OS    = (StocK > StocD) AND (StocK < 25) //K > D is going north despite being still in OS
SCREENER[OB or OS]                       //is there any error here ???
```
But, oddly enough, the pair AudNzd (h4), though displayed as having both conditions met, was absolutely not in OS/OB.

Can anyone help me find out what logic error I made?

Thank you.

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06/13/2017 at 11:29 AM #38212 quote
Nicolas
Keymaster

Legend
You are right, some of the returned results are wrong but only a few.
```
StocK = Stochastic[10,6](close)          //10,6,3
StocD = Average[3](StocK)
OB    = (StocK < StocD) AND (StocK > 75) //K < D is going south despite being still in OB
OS    = (StocK > StocD) AND (StocK < 25) //K > D is going north despite being still in OS

if ob then
test=1
elsif os then
test=-1
endif

SCREENER[OB or OS]    (test)                   //is there any error here ???
```
I don’t know why, I’ll get back here if I find what is causing this.

robertogozzi thanked this post
06/13/2017 at 1:10 PM #38218 quote

Nicolas
Keymaster

Legend

Seems that some wrong datas were causing this issue. It is fixed now, do you confirm?

06/13/2017 at 3:46 PM #38225 quote

robertogozzi
Moderator

Legend

It’s OK now.

Thank you Nicolas.

06/14/2017 at 6:25 PM #38309 quote
robertogozzi
Moderator

Legend
Nicolas, I modified the screening program to scan the past H4 candle (not the current one) and still I get odd results for the GbpUsd pair, as you can see. In this case the odd results are returned for the current 4H candle, as well. Only one condition is met (both K and D are in OB).

Even for the GbpJpy pair only one condition is met, since the K line is NOT above 75 (but it is < D).

This is my code:
```
StocK = Stochastic[10,6](close)
StocD = Average[3](StocK)
OB   = (StocK[1] < StocD[1]) AND (StocK[1] > 75)
OS   = (StocK[1] > StocD[1]) AND (StocK[1] < 25)
SCREENER[OB or OS]
```
Thank you for any further suggestion.

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