And Or logic sequence

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04/21/2023 at 12:20 PM #213574 quote

kt
Participant

New

Hi Experts,

I need some guidance figuring out the AND & OR logic execution. I got an entry with code 1, but not code 2 and code 3 stated below. I couldn’t figure out how did that happen with code 1.

// code 1:

if x OR y AND z then

buy 1 shares at market

// code 2:

if (x or y) AND z then

buy 1 shares at market

// code 3:

if x AND z then

buy 1 shares …

if y AND z then

buy 1 shares …

04/21/2023 at 2:28 PM #213580 quote

GraHal
Participant

Master

Just in case it was random (with code 1) can you reproduce (a few times) entry with code 1?

04/21/2023 at 9:41 PM #213592 quote

kt
Participant

New

Hi Grahal, in Backtest yes code 1 resulted entry 10/10. Let me relaunch the PRT to test it.

In principle (and by design), how should code 1 run? Eg. it is (x or y) and z? x or (y and z)? Note, The brackets are not written with code 1, I just put them here to elaborate the logic.

Thanks!

04/21/2023 at 9:44 PM #213593 quote

kt
Participant

New

Sorry, I forgot to mention code 1 did resulted an entry in real trade with condition y.

04/22/2023 at 8:54 AM #213595 quote

GraHal
Participant

Master

Deleted as after editing the same text appeared again as another post??

04/22/2023 at 8:55 AM #213596 quote

GraHal
Participant

Master

GraHal wrote:

kt wrote:

code 1: if x OR y AND z then

code 2: if (x or y) AND z then

Both above mean the same in PRT Code and should gives the same Trades.

code 3 : X AND Z

code 4: Y AND Z

Either of above should give some Trades coincident with code 1 and code 2, but not the same Qty of Trades as either code 1 or code 2 … assuming you use either code 3 OR code 4 in 1 System.

If you use code 3 and code 4 in 1 System (as x and z OR y and z) then the results should be the same as using either code 1 or code 2.

04/22/2023 at 5:41 PM #213610 quote

robertogozzi
Moderator

Legend

I suggest to use parenthesis to avoid any misunderstanding when having to mix AND and OR (I always do that).
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