**August 13 Update:** **Bitcoin ETFs:** 🔴 Net Flow: -329 BTC (-$19.55M) Grayscale (GBTC): 1,297 BTC outflow (-$77.17M), holding 232,542 BTC. **Ethereum ETFs:** 🔴 Net Flow: -12,202 ETH (-$32.31M) Grayscale (ETHE): The post August 13 Update: Bitcoin and Ethereum ETF Flows appeared first on COINOTAG NEWS .