$BNB there is mony stuatiins tha prevent the price of BNB.such as time,cost and seasons.
Time is the main influienser of the value of BNB.
for example at lunch time the exchange rate of BNB becomes decrease.so time is basic.
Season this also the main influenser.for example at x-mass the exchange rate becomes high and at winter it may be lesser than at sumer.and so on.