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Bitcoin surged 25% in August, marking its first positive August since 2021, but September now presents a formidable test as Federal Reserve rate hike expectations have sharply intensified. Fed Chair Kevin Warsh delivered hawkish signals at the Jackson Hole symposium, pushing market pricing for a September rate hike to nearly 70%, while the 10-year U.S. Treasury yield briefly touched 4.798%. August’s rally was primarily driven by a “dollar debasement trade” fueled by the U.S. Treasury Department’s expansion of bond buybacks, with Bitcoin’s correlation to gold reaching a six-year high. Institutional capital has not fully retreated—spot ETFs recorded over $3 billion in net inflows in late August, with BlackRock‘s IBIT remaining the primary entry point. Market analysts identify $73,000–$75,000 as the bulls’ last line of defense and $83,000 as the bull-bear dividing line, with the September 15–16 Fed meeting set to determine the next directional move.
Key Elements
Bitcoin (BTC) delivered a stellar gain of roughly 25% in August, marking its first positive August since 2021, but that bullish momentum now faces a severe test in September as Federal Reserve rate hike expectations have intensified sharply. Market participants note that Fed Chair Kevin Warsh’s hawkish signals at the Jackson Hole symposium have pushed the probability of a September rate hike to nearly 70%, while the 10-year U.S. Treasury yield briefly touched 4.798%. Whether the “dollar debasement trade” logic that underpinned Bitcoin’s August surge can persist has become the focal point of an intense tug-of-war between bulls and bears.
As of September 1, Bitcoin’s price has pulled back to around $77,000, a notable cooldown from the swing high set in August. According to market data, Bitcoin’s August gain ranks third in historical performance, trailing only 2017’s 65.6% and 2013’s 30.7%. However, historical statistics also show that September has consistently been one of Bitcoin’s weakest months, with long-term average returns hovering between -3% and -4%, and an average decline of approximately 2.2% since 2014—making the bull camp particularly cautious heading into September.
The Real Engine Behind August’s Rally
The core driver of Bitcoin’s powerful August rebound was not merely speculative buying, but rather a macro narrative centered on the “dollar credit trade.” The U.S. Treasury Department announced on August 19 that, effective September 9, it would raise the per-operation cap for long-term Treasury liquidity buybacks from $2 billion to $4 billion—doubling the size through November 4. The market interpreted this measure as a clear signal from policymakers seeking to suppress long-end yields and improve financial system liquidity.
With the release of Treasury General Account funds potentially improving banking system liquidity, Bitcoin’s correlation with gold has climbed to a six-year high, and the “currency debasement trade” has re-emerged as the market’s central theme. Bernstein analyst Gautam Chhugani noted that the 40-year cycle of declining long-term rates has ended, and rising government debt along with concerns over currency purchasing power will continue to enhance the appeal of scarce assets. He forecasts Bitcoin could reach $150,000 by mid-2027 and approach $300,000 around 2029. Geoff Kendrick, head of digital assets research at Standard Chartered, also emphasized that U.S. government intervention in the bond market reinforces Bitcoin’s core logic as a hedge against fiat currency system and policy risks.
Rate Hike Expectations Surge
However, the macro environment deteriorated rapidly as September began. Warsh delivered an explicitly hawkish stance at the Jackson Hole conference in late August, stressing that inflation data is more concerning than the labor market: the Personal Consumption Expenditures (PCE) index rose 3.7% year-over-year, with the six-month annualized trend reaching 4.1%—far above the 2% target. In his speech, he stated: “The rate of price increases must be moving toward target at a clear and sufficient pace, or we still have work to do.”
These remarks swiftly reversed market expectations. According to the CME FedWatch tool, following Warsh’s comments, market pricing for a September Fed rate hike jumped from roughly 40% to nearly 60%, with some data points showing it reaching 68%. The 10-year U.S. Treasury yield briefly spiked to 4.798%, the 2-year yield climbed to 4.31%, and the dollar index hit a two-week high. The Fed’s next policy meeting is scheduled for September 15–16. If inflation data continues to deteriorate and prompts further policy tightening, the liquidity logic that supported Bitcoin’s August rally could be reversed.
Institutional Capital Has Not Fully Retreated
Despite intensifying macro headwinds, institutional capital has not fully exited. BlackRock’s (ticker: BLK) iShares Bitcoin Trust ETF (IBIT) remains the primary entry point for capital. Between August 17 and 27, U.S. spot Bitcoin ETFs recorded net inflows for nine consecutive trading days, totaling slightly over $3 billion; although a net outflow of $201.9 million occurred on August 29, the following trading day saw a resumption of net inflows at $216.7 million, bringing the weekly cumulative net inflow to $924.5 million.
A market report published by Bitfinex noted that Bitcoin’s current rally has been driven primarily by spot demand rather than excessive leverage buildup. Bitcoin open interest currently stands at $54.02 billion, which, while notably higher than early August, represents a relatively moderate increase, with basis levels remaining within historically healthy ranges. The report stated: “We are in a market driven by spot buying, and despite significant short liquidations, open interest has only gradually increased, with basis remaining at relatively low and historically healthy levels.”
On-chain data further shows that since June, whale addresses holding between 1,000 and 10,000 Bitcoin have sold 50,500 BTC, while institutional holdings associated with ETF platforms and exchanges have increased by 59,100 BTC over the same period, with custody balances adding another 31,500 BTC during the recent rally. This suggests that whale profit-taking pressure is being effectively absorbed by institutional demand. Bitfinex analysts noted: “While whales have been taking profits during the rally, institutional demand has absorbed this supply, indicating that once assets migrate into regulated instruments, they are less susceptible to sudden liquidation driven by short-term macro news.”
Key Price Levels and Bull-Bear Scenarios
Bitwise research indicates that on-chain structure has shown positive shifts, with both the long-term holder model and the “risk appetite shift” model turning bullish, but the market needs to break through the critical resistance level of $83,000. This price level not only corresponds to technical resistance but also roughly matches the average cost basis of ETF investors.
For September’s trajectory, market analysts have outlined three possible scenarios. The first is a high-level consolidation followed by a breakout: as long as the $73,000–$75,000 bull defense line is not decisively broken, and ETF inflows continue while Treasury yields remain contained, Bitcoin could complete a rotation within the $75,000–$83,000 range before retesting $83,000. Once it breaks through with volume and holds, the next target could point toward the $92,000–$100,000 zone. The second scenario is a volatile shakeout: given August’s 25% gain, short-term profit-taking pressure is substantial, and the market could enter a wide consolidation range in the $70,000s around the September Fed meeting. The third is a risk scenario: if oil prices continue to surge, the Fed confirms a rate hike, the 10-year Treasury yield climbs further, and ETFs experience sustained net outflows, Bitcoin could break below $73,000, at which point August’s rally could degenerate from a “bull market reversal” into a large-scale short squeeze, with the next major support located near $68,900.
Jeff Ko, chief analyst at CoinEx, pointed to the $80,000–$83,000 zone as the critical test: “This is a significant supply area and the inflection point where the rally transitions from short covering to a genuine test of real capital allocation.” He emphasized that the Treasury buyback’s effect of pushing down yields and the dollar, combined with crowded short positions, produced a short squeeze, but “what matters now is whether spot buyers can continue absorbing supply near $80,000.”
Jeff Mei, COO of BTSE, believes Warsh’s remarks could dampen Bitcoin market sentiment, as rate hikes would contract liquidity. He stated: “To sustain a continued rally, we need several conditions to hold simultaneously. First, ETF demand must remain strong across all products, not just BlackRock’s IBIT; second, we need better inflation data to give the Fed a reason to stay on hold.”
Market Focus on Economic Data
Ahead of the Fed’s September meeting, a series of economic data releases will serve as key variables shaping market expectations. The ISM Manufacturing Index and JOLTS job openings data lead the schedule, followed by ADP employment data and the Fed’s Beige Book, with the ISM Services Index released subsequently. Ko believes the August nonfarm payrolls report is the most important dataset before the Fed’s September meeting. The prior July nonfarm payrolls unexpectedly declined by 23,000, far below market expectations of an 80,000 increase, with May and June figures revised down by a combined 103,000, and the current unemployment rate at 4.1%. The August inflation report is scheduled for release on September 11.
Taken together, $73,000–$75,000 represents the bulls’ last line of defense, $83,000 is the bull-bear dividing line, and the September 15–16 Fed meeting will be the decisive variable determining the next directional move. If $83,000 is decisively broken, the “September curse” will once again be invalidated, and August’s rally will be confirmed as the starting point of a new trend; conversely, if liquidity tightens again, the lessons of history may repeat themselves.
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Source: finance.biggo.com