According to @lookonchain, on Oct 17 the 10 Bitcoin ETFs recorded net outflows of 4,998 BTC valued at $526.81M, while the 9 Ethereum ETFs saw net inflows of 4,202 ETH valued at $15.81M (source: @lookonchain on X, Oct 17, 2025). According to @lookonchain, ARK 21Shares had outflows of 2,544 BTC worth $268.14M, with remaining holdings at 42,474 BTC valued at $4.48B (source: @lookonchain on X, Oct 17, 2025). Based on figures reported by @lookonchain, ARK 21Shares’ single-day outflow equates to about 6.0% of its BTC holdings, while BlackRock’s 12,098 ETH inflow of $45.51M lifted its total to 4,052,934 ETH ($15.25B), a roughly 0.30% daily increase (source: @lookonchain on X, Oct 17, 2025). According to @lookonchain, the ETF flow split indicates net investor demand via ETFs favored ETH over BTC on the day, a trading-relevant signal for monitoring relative strength and the ETH/BTC pair (source: @lookonchain on X, Oct 17, 2025).

According to the source, the ARK 21Shares Bitcoin ETF (ARKB) recorded its largest daily net outflow since August, reported on Oct 17, 2025. Source: the source. Large redemptions in spot Bitcoin ETFs adjust the fund’s BTC holdings via the creation and redemption mechanism detailed in issuer SEC filings, which can translate into selling pressure through authorized participant hedging and liquidity provisioning. Source: ARK 21Shares Bitcoin ETF prospectus filed with the U.S. SEC. For trading, monitor ARKB’s same-day net flows, changes in shares outstanding, and premium or discount to NAV to gauge whether redemptions persist and whether BTC spot volatility could rise. Source: ARK 21Shares daily fund disclosures and SEC filings. Cross-check breadth of flows across major U.S. spot Bitcoin ETFs (e.g., IBIT, FBTC) to confirm whether outflows are fund-specific or market-wide, which can refine directional bias and risk management. Source: Farside Investors U.S. spot Bitcoin ETF daily flow dashboard.

According to @FarsideUK, the ARK 21Shares US Bitcoin ETF recorded a daily net flow of $0 million on Oct 7, 2025 (source: farside.co.uk/btc). According to @FarsideUK, a $0 million daily flow indicates no net creations or redemptions for the fund on that day (source: farside.co.uk/btc). According to @FarsideUK, the data and disclaimers are available at farside.co.uk/btc, confirming flat primary-market activity for BTC exposure via this ETF on the reported date (source: farside.co.uk/btc).

According to Farside Investors, the ARK 21Shares Bitcoin ETF (ARKB) posted a US$45.2 million daily flow on Oct 3, 2025. Source: Farside Investors X post https://twitter.com/FarsideUK/status/1973910235552129186. The figure is drawn from Farside’s consolidated U.S. spot Bitcoin ETF flow tracker, which provides underlying data and disclosures. Source: farside.co.uk/btc/.

According to Farside Investors, the ARK 21Shares Bitcoin ETF (ARKB) recorded a US$105.7 million net inflow on Sep 30, 2025; source: Farside Investors and farside.co.uk/btc. The figure is reported on Farside Investors' Bitcoin ETF Daily Flow tracker for U.S. spot BTC ETFs, where full methodology and disclaimers are provided; source: farside.co.uk/btc.

According to @FarsideUK, Ark’s US Bitcoin ETF recorded a daily flow of US$37.7 million on Sep 24, 2025, indicating the latest issuer-level movement in US spot BTC ETFs; source: Farside Investors (@FarsideUK) tweet dated Sep 24, 2025 and farside.co.uk/btc. Farside Investors directs readers to its Bitcoin ETF flows page for the complete dataset and disclaimers that underpin the daily flow figures used by traders; source: Farside Investors (@FarsideUK) tweet and farside.co.uk/btc.

According to @FarsideUK, the ARK 21Shares Bitcoin ETF (ARKB) recorded US$0 million net flow on Sep 19, 2025, indicating flat daily primary-market activity for the fund (source: Farside Investors tweet; farside.co.uk/btc). This $0M figure means no net creations or redemptions for ARKB that day, implying no incremental ETF-driven spot BTC demand from this issuer on that date (source: Farside Investors dataset and methodology; farside.co.uk/btc). Traders monitoring BTC microstructure can treat ARKB’s flat flow as neutral in isolation while awaiting aggregated U.S. Bitcoin ETF flows for a fuller liquidity picture (source: Farside Investors dataset; farside.co.uk/btc).

According to @FarsideUK, the ARK 21Shares Bitcoin ETF (ARKB) recorded a daily net outflow of 32.3 million US dollars on 17 Sep 2025, based on the Bitcoin ETF Daily Flow dataset. Source: Farside Investors farside.co.uk/btc and Farside Investors on X. A net outflow indicates redemptions exceeded creations for the day, a core ETF flow mechanic relevant to trading liquidity and demand tracking. Source: U.S. SEC Investor Bulletin on Exchange-Traded Funds sec.gov. For US spot Bitcoin ETFs, creations and redemptions are processed in-kind or for cash against the underlying bitcoin, linking flow activity to ETF-held BTC and execution by authorized participants. Source: U.S. SEC spot bitcoin ETF approval orders and issuer disclosures sec.gov.

According to @FarsideUK, the ARK 21Shares Bitcoin ETF reported a daily net flow of 0 million USD on Sep 15, 2025 in its Bitcoin ETF Daily Flow update (source: @FarsideUK; data: farside.co.uk/btc/). Traders monitoring BTC-linked fund flows can review the full dataset and disclaimers on Farside Investors’ dashboard for confirmation and historical context (source: @FarsideUK; data: farside.co.uk/btc/).

According to @FarsideUK, Ark’s US spot Bitcoin ETF (ARKB) recorded a daily net outflow of US$27.9 million in the Bitcoin ETF Daily Flow update, source: Farside Investors @FarsideUK. Full data and disclaimers are available on the Farside Investors dashboard at https://farside.co.uk/btc-spot-etf-flows/, source: Farside Investors @FarsideUK.

According to Lookonchain, on Sept 2, ten spot Bitcoin ETFs posted a combined net outflow of 648 BTC (about $72.22M), with ARK 21Shares recording outflows of 665 BTC (about $74.1M) and total holdings of 43,054 BTC (about $4.8B) (source: Lookonchain on X, Sept 2, 2025). According to Lookonchain, nine Ethereum ETFs saw a combined net outflow of 11,731 ETH (about $51.09M), with Fidelity recording outflows of 11,731 ETH (about $51.09M) and total holdings of 785,598 ETH (about $3.42B) (source: Lookonchain on X, Sept 2, 2025).

According to @FarsideUK, the ARK U.S. Bitcoin ETF recorded a daily net outflow of 72.1 million USD on Aug 29, 2025; source: Farside Investors on X https://twitter.com/FarsideUK/status/1961574584152432744. Farside Investors directs readers to its data and disclaimers page for the full U.S. Bitcoin ETF flow dataset and methodology; source: Farside Investors data portal https://t.co/04S8jMGl07.

According to @FarsideUK, the latest Bitcoin ETF Daily Flow update reports ARK’s US spot Bitcoin ETF posted a daily flow value of US$5.6 million on August 27, 2025, as shared alongside its data dashboard link, source: Farside Investors. The post provides the headline flow figure without specifying whether it is a net inflow or outflow, so traders should confirm direction on Farside Investors’ ETF flow tracker and review its disclaimers before positioning, source: Farside Investors. Net creations or redemptions in spot Bitcoin ETFs translate to underlying BTC buy or sell activity via the authorized participant mechanism, meaning a confirmed positive flow indicates incremental BTC demand while a confirmed negative flow implies supply, source: ARK 21Shares Bitcoin ETF prospectus.

According to @FarsideUK, the ARK 21Shares Bitcoin ETF ARKB recorded a US$61.2 million daily net flow on Aug 25, 2025. Source: Farside Investors. Farside Investors publishes the U.S. spot Bitcoin ETF flow dataset and related disclaimers on its dashboard, which is the basis for this figure. Source: Farside Investors. ARKB is a U.S.-listed spot Bitcoin ETF that holds BTC and reflects primary-market demand via share creations and redemptions. Source: ARK 21Shares fund materials and SEC filings.

According to @FarsideUK, the ARK 21Shares Bitcoin ETF (ARKB) recorded a US$75.7 million net outflow in the latest daily flow update, reported on Aug 20, 2025 (source: Farside Investors post on Aug 20, 2025). Negative daily flow indicates net redemptions exceeded creations for the fund, as defined by the Farside Bitcoin ETF tracker (source: farside.co.uk/btc). Full dataset and methodology are available for verification on Farside Investors' tracker (source: farside.co.uk/btc).

According to @lookonchain, on Aug 14, 2025, net flow across 10 Bitcoin ETFs was +452 BTC, equal to about +$53.9M, indicating positive daily inflows into BTC ETFs, source: @lookonchain on X. According to @lookonchain, ARK 21Shares reported inflows of 299 BTC, approximately $35.62M, and currently holds 45,656 BTC valued around $5.44B, source: @lookonchain on X. According to @lookonchain, net flow across 9 Ethereum ETFs was +154,179 ETH, about +$724.02M, showing a strong positive day for ETH ETF inflows, source: @lookonchain on X. According to @lookonchain, BlackRock’s iShares saw inflows of 105,900 ETH, or roughly $497.3M, source: @lookonchain on X.

According to @FarsideUK, ARK 21Shares Bitcoin ETF ARKB posted a US$23.9 million net outflow in the latest daily flow update on Aug 13, 2025, source Farside Investors at farside.co.uk/btc.