The spot bitcoin ETF by asset management giant BlackRock is a hot trade this week. 

So are some of its main competitors, as a handful of the segment’s funds have seen trading volumes spike amid a BTC price rally. 

BlackRock’s iShares Bitcoin Trust (IBIT) had notched volumes worth $2.2 billion on Wednesday, as of 1 pm ET, according to Yahoo Finance data — already shattering its previous daily high with three hours left in the trading day.

IBIT’s prior record of about $1.3 billion came on Tuesday, barely surpassing the previous all-time high set on Monday. 

Read more: BlackRock bitcoin ETF trading volume surpasses $1B for second day in a row

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