US Spot Bitcoin ETFs Took $174.6M on 4 Sep After $730.9M on 3 Sep; Bid Narrowed to IBIT and FBTC
DEEP-DIVE. Friday's $174.6 million US spot-bitcoin ETF print is real. Treating it as a continuation of Thursday's $730.9 million surge, or as a stall, both overfit a two-day sample.
THE TAPE (Farside / TFTC daily table, SoSoValue for Thursday).
September 2026, four sessions so far:
- 1 Sep: -$236.5M (IBIT -$201.2M, FBTC -$43.7M)
- 2 Sep: +$101.1M (IBIT +$115.4M; GBTC -$56.2M)
- 3 Sep: +$730.9M — largest day since 14 January 2026. IBIT +$454.0M (~62%), ARKB +$137.7M, FBTC +$74.4M, BITB +$24.8M, Grayscale mini BTC +$48.8M; HODL -$19.6M, BTCW -$5.2M, MSBT +$7.7M
- 4 Sep: +$174.6M — IBIT +$117.4M, FBTC +$57.2M, every other product 0.0
Month-to-date net is about +$770.2M across those four days (TFTC). The week ending 4 Sep is cited around +$986.7M to +$986.9M depending on whether 31 Aug is included. Cumulative net inflows since inception sit near $55.6–$55.7B; total net assets around $101.3B on Friday after $103.3B Thursday.
WHAT CHANGED FRIDAY, NOT JUST THE SIZE.
Thursday was a broad-book day: six-plus issuers printed inflows. Friday narrowed to two tickers. IBIT still took ~67% of Friday's net ($117.4M of $174.6M), but the rest of the complex went quiet rather than reversing. That is follow-through with shrinking participation, not a redemption wave.
Price context: BTC was rejected near $82k and slipped back under $80k into the weekend. CryptoBriefing and TS2 both note the inflow arriving as spot lost the breakout. Flows and price diverged on Friday — creations continued while the cash market faded. That is the opposite of the "ETFs dumped the breakout" read.
The 76% day-over-day drop in dollar inflows (TS2) is arithmetic, not a regime change. $174.6M is still a solid green session against Tuesday's $236.5M outflow. Persistence is the next test, not the percentage drop from an eight-month high.
CATALYST AND CAVEATS.
The Block and CryptoBriefing attribute Thursday's size to Fed Governor Christopher Waller's dovish comments. That is a reported attribution, not a measured flow-decomposition. Friday's two-fund tape is consistent with residual IBIT/FBTC demand, not a second-day panic bid across the complex.
Sources disagree slightly on Thursday's total ($730.8M vs $730.9M) and on Friday ($174.6M Farside/TFTC vs ~$175M roundings). Use Farside's issuer table. SoSoValue is the Block's Thursday source; Farside is the Friday primary. Weekend prints will not update until Monday's creations/redemptions.
Sentiment: bullish for the flow path (three of four September sessions green; Friday still net creations into a spot fade). Not a $100k-target claim. Watch Monday: if IBIT/FBTC stay two-name and the rest stay flat, this is a concentrated residual bid. If the complex flips red with spot still under $80k, Thursday was the spike, not the start of a multi-week run.
Sources (5)
AI Research
Key Takeaway
Farside/TFTC: US spot bitcoin ETFs printed +$174.6M on 4 Sep 2026 (IBIT $117.4M, FBTC $57.2M, rest 0) after +$730.9M on 3 Sep, the largest day since 14 Jan. Friday was follow-through with shrinking participation, not a reversal: creations continued as spot slipped back under $80k. September MTD ~+$770M across four sessions.
DEEP-DIVE. Friday's $174.6 million US spot-bitcoin ETF print is real. Treating it as a continuation of Thursday's $730.9 million surge, or as a stall, both overfit a two-day sample.
THE TAPE (Farside / TFTC daily table, SoSoValue for Thursday).
September 2026, four sessions so far:
- 1 Sep: -$236.5M (IBIT -$201.2M, FBTC -$43.7M)
- 2 Sep: +$101.1M (IBIT +$115.4M; GBTC -$56.2M)
- 3 Sep: +$730.9M — largest day since 14 January 2026. IBIT +$454.0M (~62%), ARKB +$137.7M, FBTC +$74.4M, BITB +$24.8M, Grayscale mini BTC +$48.8M; HODL -$19.6M, BTCW -$5.2M, MSBT +$7.7M
- 4 Sep: +$174.6M — IBIT +$117.4M, FBTC +$57.2M, every other product 0.0
Month-to-date net is about +$770.2M across those four days (TFTC). The week ending 4 Sep is cited around +$986.7M to +$986.9M depending on whether 31 Aug is included. Cumulative net inflows since inception sit near $55.6–$55.7B; total net assets around $101.3B on Friday after $103.3B Thursday.
WHAT CHANGED FRIDAY, NOT JUST THE SIZE.
Thursday was a broad-book day: six-plus issuers printed inflows. Friday narrowed to two tickers. IBIT still took ~67% of Friday's net ($117.4M of $174.6M), but the rest of the complex went quiet rather than reversing. That is follow-through with shrinking participation, not a redemption wave.
Price context: BTC was rejected near $82k and slipped back under $80k into the weekend. CryptoBriefing and TS2 both note the inflow arriving as spot lost the breakout. Flows and price diverged on Friday — creations continued while the cash market faded. That is the opposite of the "ETFs dumped the breakout" read.
The 76% day-over-day drop in dollar inflows (TS2) is arithmetic, not a regime change. $174.6M is still a solid green session against Tuesday's $236.5M outflow. Persistence is the next test, not the percentage drop from an eight-month high.
CATALYST AND CAVEATS.
The Block and CryptoBriefing attribute Thursday's size to Fed Governor Christopher Waller's dovish comments. That is a reported attribution, not a measured flow-decomposition. Friday's two-fund tape is consistent with residual IBIT/FBTC demand, not a second-day panic bid across the complex.
Sources disagree slightly on Thursday's total ($730.8M vs $730.9M) and on Friday ($174.6M Farside/TFTC vs ~$175M roundings). Use Farside's issuer table. SoSoValue is the Block's Thursday source; Farside is the Friday primary. Weekend prints will not update until Monday's creations/redemptions.
Sentiment: bullish for the flow path (three of four September sessions green; Friday still net creations into a spot fade). Not a $100k-target claim. Watch Monday: if IBIT/FBTC stay two-name and the rest stay flat, this is a concentrated residual bid. If the complex flips red with spot still under $80k, Thursday was the spike, not the start of a multi-week run.