Bitcoin opened the week of Sept. 21–27 above $80,000, but a University of Michigan inflation-expectations survey due Sept. 25 could decide whether the rebound holds. US spot Bitcoin ETFs swung from $450.4 million in outflows to $433 million in inflows across two sessions, and a CryptoSlate model puts Bitcoin's December median price at $95,157.
Bitcoin stood at $80,323 in CryptoSlate's Sept. 20 snapshot. It is up 4.82% over seven days and 3.82% over 30 days. That recovery now faces a test tied to policy: whether buyers keep adding exposure, and whether inflation concerns intensify after the Federal Reserve's latest move.
Friday's inflation-expectations test
The Fed raised its target range by a quarter percentage point to 3.75%–4% on Sept. 16, citing elevated inflation. Bitcoin's weekly advance therefore comes against tighter US policy.
Meanwhile, the University of Michigan's final September consumer survey is due Sept. 25. Its preliminary reading put year-ahead inflation expectations at 4.6% and consumer sentiment at 47.8. Softer expectations could support risk appetite; a firmer reading could make the recovery harder to sustain.
Thursday brings a separate funding test. The Bank of Japan's overnight rate target of around 1.25%, announced Sept. 18, takes effect Sept. 24. Higher Japanese rates can make yen-funded positions more expensive, though implementation alone does not show investors will unwind Bitcoin holdings.
ETF flows swing, adoption widens
Farside's US Bitcoin ETF table reports net inflows of $433 million on Sept. 18, reversing $450.4 million in outflows from Sept. 15. One positive session cannot establish a durable trend; further inflows would strengthen the case that demand can absorb selling as the new week unfolds.
Adoption is also advancing through easier access. Kraken announced its US X Cashtag integration on Sept. 16, letting users move from supported tickers on X to Kraken to complete trades. The integration reduces steps between interest and a transaction, but carries no measurement of additional Bitcoin purchases.
A December model and September odds
CryptoSlate's forecast, published Sept. 19, uses an $81,233 reference close and projects a median terminal price of $95,157 for Dec. 18, with a 20th-percentile estimate of $71,826 and an 80th-percentile estimate of $127,070. The model's reported performance edge against its strongest simple benchmark was negative 0.4%, so the test did not demonstrate an advantage over that benchmark.
Separately, Polymarket's September thresholds showed 65.5% odds for a move to $82,500, 34.5% for $85,000, and 52.5% for a downward move to $77,500 as of Sept. 20. These figures are intramonth touch odds on Binance BTC/USDT one-minute prices, not competing forecasts for a single date, so they cannot be added together.
The practical test is whether fresh buying survives the policy backdrop. Friday's survey and the next sequence of ETF flows will show whether the rebound is gaining support.
Source: CryptoSlate
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