US spot Bitcoin exchange-traded funds (ETFs) recorded $517.2 million in net inflows on Wednesday, marking the highest single-day investment for these products since May 4. This activity has pushed August’s net inflows to $1.47 billion. Since Monday, spot Bitcoin ETFs in the US have attracted about $1 billion in net inflows. This figure already marks the strongest weekly inflow since the week ending January 16, when the funds took in approximately $1.42 billion. The growing investor interest this week has mirrored a wider surge in the cryptocurrency market.