Global digital-asset investment products offered by asset managers such as Ark Invest, Bitwise, BlackRock, Fidelity, Grayscale, ProShares and 21Shares witnessed a record trading volume last week — dominated by U.S. spot bitcoin exchange-traded funds — according to CoinShares.

“Trading volumes in investment products reached a record of over $30 billion for the week, and at times represented 50% of global bitcoin daily trading volumes on trusted exchanges,” CoinShares Head of Research James Butterfill wrote.

Weekly trading volume for the U.S. spot bitcoin ETFs totaled a record $22.3 billion alone, according to The Block’s data dashboard. On Wednesday, daily volumes also reached the highest levels since launch — generating over $7.6 billion in trading. The cumulative trading volume for the …