patern candle doji is formed because of the price of open and close candles at the same price, so that no body is formed, with a long tail above or below, or between the top and bottom tail of the same length. doji indicates a trend reversal or reversal, and usually a doji with a long tail at the top and bottom requires the next candle to confirm
doji candle formation usually between brokers there is a difference, there is a difference of a few pips because between brokers have a difference in price, the cause is because of different spreads, there are brokers that fix spreads there are also floating spreads. so there are differences in mention there are those who call doji and pinbar candles. it is not an important problem to understand the candle doji effect