The crypto markets saw major developments as spot Bitcoin ETFs recorded $137.32 million in net outflows, while quantitative firm Jane Street disclosed $990 million in BTC holdings. Also, Bitmine added 9,926 ETH and Upbit and Bithumb reported a 50% decline in first-half revenue.
According to SoSoValue, the Bitcoin spot ETFs saw a total net outflow of $137.32 million yesterday.
The Bitcoin spot ETF with the highest net outflow yesterday was Fidelity's ETF FBTC, with a daily net outflow of $111.90 million, and the total historical net inflow of FBTC currently stands at $9.99 billion.
The second-highest was ARK 21Shares, with a daily net outflow of $14.18 million. Its total historical net inflow currently stands at $1.29 billion.
The total net asset value of Bitcoin spot ETFs is $77.41 billion, with an ETF net asset ratio of 6.07%. The historical cumulative net inflow has reached $51.93 billion.
Jane Street disclosed a $990 million Bitcoin (BTC) exchange-traded fund (ETF) position in a Securities and Exchange Commission (SEC) filing. The filing, dated June 30, shows its largest stake in BlackRock’s iShares Bitcoin Trust (IBIT).
The filing came in the same week that Jane Street confirmed a $15 billion trading loss in July. The quantitative trading firm and major market maker called it its worst month in about a decade.
Of this, approximately $828 million is allocated to BlackRock IBIT, with the remainder distributed across products such as Fidelity FBTC and Grayscale GBTC; these holdings are ETF shares, not direct ownership of BTC.
Also Read: How Do Bitcoin ETFs Work? A Complete Beginner’s Guide
Upbit and Bithumb, South Korea's two largest crypto exchanges, reported roughly 50% year-on-year revenue declines in H1 2026.
Dunamu's consolidated operating revenue fell 49.1% to 408.1 billion won, operating profit dropped 79.7% to 111.5 billion won and net profit fell 74.1% to 108.4 billion won.
Bithumb's H1 operating revenue fell 48.7% to 168.8 billion won, operating profit plunged 83.4% to 14.9 billion won and it swung to a net loss of 108.7 billion won from a 55 billion won profit.
The downturn mirrors a broader market contraction: Bitcoin fell more than 30% to about $60,000 and Ethereum fell from $3,000 to around $1,600 in H1.
BitMine Immersion Technologies added 9,926 Ethereum over the week ending Aug. 16, raising its reported holdings to 5,815,164 ETH.
The company valued the tokens at approximately $11 billion using an ETH price of $1,893. BitMine said the position represented 4.8% of Ethereum’s estimated 120.7 million-token supply in its Aug. 17 release.
BMNR stock closed 3.68% higher at $18.73 on the New York Stock Exchange on Aug. 17. It gained another 0.37% to $18.80 in after-hours trading, according to Google Finance data.
BitMine stock opened Monday at $18.20 and traded between $18.11 and $19. Approximately 30.95 million shares changed hands, compared with its reported average volume of 32.51 million.
Edward Zimbardi faces federal wire fraud and money laundering charges over an alleged $165 million crypto Ponzi scheme. Fijian authorities deported the 59-year-old Georgia resident to the United States on August 14.
Zimbardi appeared before a federal magistrate judge in Los Angeles on Monday. Prosecutors want him held in the custody of the US Marshals Service pending further proceedings in the Northern District of Georgia.
According to the press release, Zimbardi marketed an alleged Ponzi scheme called The Crypto Program between June 2022 and August 2023. This was an investment offering built around advertising packages.
Buyers were promised a guaranteed 25% return every month. Investors paid by moving cryptocurrency into wallets Zimbardi secretly controlled. Over 6,000 investors sent more than $165 million to those wallets.
Also Read: Ethereum’s Next Phase: How the Blockchain is Preparing for the Next 10 Years
1. How much did Bitcoin spot ETFs record in daily flows?
Bitcoin spot ETFs recorded about $137.32 million in net outflows for the day, according to SoSoValue. Fidelity’s FBTC accounted for the largest single-fund outflow at roughly $111.90 million.
2. How much Bitcoin exposure did Jane Street disclose?
Jane Street disclosed about $990 million in Bitcoin ETF holdings in its SEC filing. Roughly $828 million was allocated to BlackRock’s IBIT, with the remainder spread across other listed Bitcoin products.
3. How much Ethereum does BitMine now hold?
BitMine added 9,926 ETH during the week ending August 16, bringing its reported holdings to 5,815,164 ETH. The company valued the position at roughly $11 billion using an ETH price of $1,893.
4. Why did Upbit and Bithumb revenue fall in H1 2026?
Both South Korean exchanges reported revenue declines of roughly 50% year over year as crypto trading activity weakened. The downturn coincided with sharp declines in Bitcoin and Ethereum during the first half.
5. What is the alleged $165 million crypto Ponzi scheme?
US prosecutors allege Edward Zimbardi operated The Crypto Program, which promised investors guaranteed monthly returns of 25%. More than 6,000 investors reportedly sent over $165 million in cryptocurrency to wallets he controlled.