Why close(i) open(i+1) ?

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Why close(i) is different of open(i+1) ?

Let's A a bar in the 5 minutes EURUSD chart (or any other UT and symbol chart).
Lest' B the next bar.
Let's tA the time for Close(A) ?
Let's tB the time for Open(B) ?
Is tA=tB ?
If tA=tB, so Close(A) must be equal to Open(B) ?
If tA <> tB, what append between tA and tB ?

Thanks
 
Because every incoming tick differs from previous tick.
 
Why close(i) is different of open(i+1) ?

Let's A a bar in the 5 minutes EURUSD chart (or any other UT and symbol chart).
Lest' B the next bar.
Let's tA the time for Close(A) ?
Let's tB the time for Open(B) ?
Is tA=tB ?
If tA=tB, so Close(A) must be equal to Open(B) ?
If tA <> tB, what append between tA and tB ?

Thanks



Lets pA=0.0005 (Price for close at time 4':59'')
and pB=0.0008 (Price for open at time 5':00'')

so why they should have same time and price of close and open?
 
Why close(i) is different of open(i+1) ?

Let's A a bar in the 5 minutes EURUSD chart (or any other UT and symbol chart).
Lest' B the next bar.
Let's tA the time for Close(A) ?
Let's tB the time for Open(B) ?
Is tA=tB ?
If tA=tB, so Close(A) must be equal to Open(B) ?
If tA <> tB, what append between tA and tB ?

Thanks



Lets pA=0.0005 (Price for close at time 4':59'')
and pB=0.0008 (Price for open at time 5':00'')

so why they should have same time and price of close and open?


In fact, the bar does not open (or close) at 5':00, it opens at the first tick incomming after 5':00 ; so the value of the open is generally not the value of the quote at 5':00, witch remains the value of the previous tick.
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