Please help me to understand why this is happening ?
<TICKER>,<PER>,<DATE>,<TIME>,<OPEN>,<HIGH>,<LOW>,<CLOSE>
USDJPY,1,20140121,101200,104.5350000,104.5470000,104.5000000,104.5400000
USDJPY,1,20140121,101300,104.5300000,104.5430000,104.4700000,104.4900000
USDJPY,1,20140121,101400,104.5060000,104.5150000,104.4500000,104.4900000
On time 10:12 USDJPY closed at 104.54, and on time 10:13 its opened on 104.53 ?? WHY ?? And the same with next row.
why amount not match the previous closed ?

Thanks for answer, was hard to understand, so I google about tick's and found this:
Definition - What does Tick mean?
A tick is the smallest unit of time between two currency trades. Ticks are not a consistent unit of time. For high-volume currency pairs, there can be many ticks a second. For more exotic, low-volume pairs, a single tick may last for minutes or even hours.
now I understand why the Close time do not match Open time, because in one second there was a big up or down change in tick's.
I'm right ?
Thanks for answer, was hard to understand, so I google about tick's and found this:
Definition - What does Tick mean?
A tick is the smallest unit of time between two currency trades. Ticks are not a consistent unit of time. For high-volume currency pairs, there can be many ticks a second. For more exotic, low-volume pairs, a single tick may last for minutes or even hours.
now I understand why the Close time do not match Open time, because in one second there was a big up or down change in tick's.
I'm right ?

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Please help me to understand why this is happening ?
<TICKER>,<PER>,<DATE>,<TIME>,<OPEN>,<HIGH>,<LOW>,<CLOSE>
USDJPY,1,20140121,101200,104.5350000,104.5470000,104.5000000,104.5400000
USDJPY,1,20140121,101300,104.5300000,104.5430000,104.4700000,104.4900000
USDJPY,1,20140121,101400,104.5060000,104.5150000,104.4500000,104.4900000
On time 10:12 USDJPY closed at 104.54, and on time 10:13 its opened on 104.53 ?? WHY ?? And the same with next row.
why amount not match the previous closed ?
thanks for detailed explanation.