[DigitalToday reporter Yoonseo Lee (이윤서)] Fund flows into bitcoin spot exchange-traded funds (ETFs) appear to track price trends already under way rather than serve as a leading indicator of bitcoin’s next move.

On Oct. 22 (local time), Cointelegraph reported that crypto market maker DWF Labs said in a recent report that ETF investors tended to buy in rising markets and redeem in falling markets.

DWF Labs analysed 694 trading days since bitcoin spot ETFs launched in January 2024. Outflows occurred in 7 of 8 instances when bitcoin fell 15 percent or more. In contrast, inflows were recorded in all 9 rally periods when it rose 15 percent or more.

The correlation between daily ETF flows and bitcoin price moves over the prior five trading days was 0.54. The correlation with price moves over the subsequent five trading days was 0.03. DWF Labs said ETF flows confirm moves but do not predict them.

Outflows were particularly large in the two most recent selloffs. Net outflows totalled $6.9 billion from October 2025 to February 2026, and $8.2 billion left during a downturn from May to June 2026. It did not distinguish whether institutions or individuals led the selling.

Another analysis said not all ETF inflows necessarily reflect buying demand based on expectations of a bitcoin rise. Some investors buy ETFs while selling bitcoin futures on the Chicago Mercantile Exchange (CME) to capture the price gap between spot and futures. DWF Labs estimated about 20 percent of total flows may have been hedged in this way.

Institutional flows were also not consistent. According to an analysis CoinShares released in June, institutional investors cut their exposure to bitcoin spot ETFs by 17 percent in the first quarter of 2026. About 96 percent of that reduction came from hedge funds and brokerages, while the financial sector increased holdings.

Bitcoin volatility has eased somewhat since the ETF launch. The report said corrections of 15 percent or more occurred about 3 times a year after the launch. That compares with about 4 times in 2022 to 2023 and about 8 times in 2021. The pace of declines also slowed, but there was no big difference in the size of drawdowns. The median decline in correction periods was 21.3 percent, similar to 19.4 percent in 2022 to 2023.

DWF Labs did not attribute the changes solely to ETFs. It said volatility and the frequency of corrections had already been falling before the ETF launch in 2024, and that interpreting ETF supply and demand requires looking not only at the size of inflows but also at the investor base and the share of hedging demand.

The analysis numerically confirmed that bitcoin ETF flows are closer to a lagging reaction than a leading price indicator. It highlighted that it is difficult to read market direction from ETF growth alone and that the nature of the flows also needs to be considered.