According to Farside Investors, the WisdomTree US Bitcoin ETF recorded US$0 million in daily net flow on Sep 30, 2025, indicating a zero net change in creations versus redemptions for the session (source: Farside Investors tweet on Sep 30, 2025 and Farside.co.uk/btc). For trading, this prints a neutral issuer-specific flow signal that traders can compare with other issuers and aggregate flows on Farside’s dashboard to gauge ETF-channel demand for BTC (source: Farside.co.uk/btc).