1min candles with large wicks are Darkpool Transactions
Actualizado
Can't post an idea with 1min charts, but I'll show it below. Whenever you see 1min candles with huge wicks that seem to settle instantly, they are Darkpool transactions. It means some big money decided buy/sell a large block and found a seller/buyer in the darkpool. They agreed on a price that is roughly half of the candle's range. The transaction is already completed by the time they report it to the DTCC, and it is shown as a neutral transaction. There is an unknown delay between when the transaction happens and when it is reported; as darkpools are private.
Typically, the high/low of the darkpool candle gets visited shortly after, as you can see.
Typically, the high/low of the darkpool candle gets visited shortly after, as you can see.
Nota
This is what they look like 
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