TLDR
This week (39 Jan, UTC), BlackRocks IBIT led inflows early, while Fidelitys FBTC and Grayscales GBTC led midweek outflows; ETH products saw mixed flows.
- Jan 5: IBIT +$372M and FBTC +$191M net inflows per a market update report.
- Jan 6: BTC ETFs net -$243M; FBTC -$312M, GBTC -$83M, IBIT +$228M per a coverage.
- Jan 7: BTC ETFs net -$486M; FBTC led outflows at -$248M per a summary.
Deep Dive
1. Inflow Leaders
Early?week strength was led by BlackRocks iShares Bitcoin Trust (IBIT), with the largest single?day inflow on Jan 5 at $372M, while Fidelitys FBTC added $191M the same day, marking the biggest since Oct 2025 per a market update report.
- BTC ETFs also printed $697M net inflows on Jan 5, with IBIT topping the day and broader BTC strength being noted in contemporaneous coverage here.
- ETH ETFs had pockets of inflows even as BTC flows turned variable; on Jan 6 ETH saw $114.74M net inflows per a daily readout.
IBIT remains the primary magnet for BTC ETF capital; ETH ETFs show selective strength when BTC sees profit?taking.
2. Outflow Leaders
Midweek saw a rotation into net outflows. On Jan 6, total BTC ETF net flows were -$243M; FBTC led with -$312M, GBTC -$83M, while IBIT still absorbed +$228M per a daily flow recap.
- On Jan 7, aggregate BTC ETF outflows expanded to -$486M, with FBTC again the largest outflow contributor (-$248M) per a day?after summary.
- Across three days, outflows erased nearly all early?week inflows, totaling ~$1.13B per a weekly wrap article.
Fidelitys FBTC and Grayscales GBTC drove the midweek reversal, while IBITs inflows cushioned, but did not fully offset, net selling.
3. Context and AUM
Despite day?to?day swings, aggregate ETF assets rose week over week: BTC ETF AUM increased +3.55% to 121.02 B and ETH ETF AUM rose +5.61% to 18.06 B over 39 Jan (based on market data; no public link in this chat).
- Flows were sensitive to macro prints and positioning; coverage noted payrolls and broader risk appetite shaping appetite for ETFs as net outflows built midweek here.
AUM rising alongside volatile daily flows suggests tactical rotation rather than a clear trend break; monitor daily prints from IBIT, FBTC, and GBTC for direction.
Conclusion
IBIT led inflows early in the week, while FBTC (and to a lesser extent GBTC) led the subsequent outflows, with ETH ETFs showing selective inflows during BTC profit?taking. The net effect was a choppy week of rotation where aggregate AUM still rose, implying flows are tactical and closely tied to macro signals and positioning rather than a decisive regime shift.
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