At the end of July to the beginning of August 2026, three seemingly unrelated funding trajectories were intertwined: on one end, the U.S. Treasury, in collaboration with the New York Federal Reserve and the Japanese Ministry of Finance, entered the market for the first time since 2011 to buy yen and suppress currency fluctuations, sending a warning signal to global carry trade chains that rely on yen for financing while the 30-year U.S. Treasury yield still hovered above 5%; on the other end, at a time when macro conditions may tighten, a highly risk-tolerant account on Hyperliquid opened approximately 400.88 BTC (about 25.16 million dollars, 40x leverage) and 10,000 ETH (about 18.51 million dollars, 25x leverage) long positions in about one hour, bringing the nominal exposure to around 43.67 million dollars; parallel to this, in a longer-term cycle, Nasdaq mining company American Bitcoin saw its Bitcoin reserves increase to approximately 8,002 coins by June 30, with an increase of about 981 coins in the quarter, choosing to hoard coins rather than reduce holdings amid high interest rates and high volatility expectations. On the macro level, the yen’s appreciation and high long-term rates suggest potential liquidity contraction, while on the micro level, there is a stacking of longs with whales leveraging up and miners increasing their positions. In the collision of these two forces, the current price of BTC/ETH raises the core suspense of whether it obeys macro constraints or is temporarily driven by sentiment and gambling tendencies.
U.S.-Japan Collaboration to Support the Yen: Carry Funds Forced to Reflow
On around July 31, 2026, the U.S. Treasury, in a rare collaboration with the Japanese Ministry of Finance through the New York Federal Reserve, bought yen in the foreign exchange market. This was both the first U.S.-Japan joint foreign exchange intervention since 2011 and the first action aimed specifically at supporting the yen since 1998. At the time of intervention, the yen was still hovering in a long-term low range against the dollar, and the exchange rate quickly showed significant signs of appreciation post-intervention. Meanwhile, the yield on U.S. 30-year Treasury bonds was pushed up to around 5.27% before slightly retracting to about 5.24%. For macro traders, this meant a simultaneous yellow light on both exchange rates and long-term rates: official delineation against yen depreciation while the long-term yield above 5% continued to pressure the valuations of all risk assets.
The "combined punch" notably choked the carry funds that had heavily utilized yen as a financing currency in the first half of the year. A typical yen carry trade involves borrowing low-interest yen to buy high-yield assets, including U.S. Treasuries and high-risk assets. If the yen unexpectedly appreciates and long-term U.S. Treasury yields remain high, the interest rate differential of this structure can quickly be compressed or even inverted, forcing leveraged funds to sell assets and cover yen positions, resulting in a cross-market passive reduction chain. QCP pointed out that the movements of the yen and the yield on 30-year Treasuries are turning into core macro variables affecting BTC/ETH liquidity: if the yen continues to appreciate while the 30-year yield sticks above 5%, the closing of yen carry trades will transmit to the crypto market through tightened global dollar liquidity, weakening the ability of new funds to enter the market while increasing BTC/ETH volatility, making these two interest and exchange rate curves key constraints for whether bulls can persist in the future.
Hyperliquid Whales Taking High Leverage Long Position Against the Trend
While the yen appreciated and the high yields on 30-year Treasuries pushed global liquidity tighter, around August 3, 2026, a whale account on Hyperliquid chose to take the completely opposite direction: in less than one hour, it opened two large long positions — 400.88 BTC, amounting to about 25.16 million dollars at 40x leverage, and 10,000 ETH, amounting to about 18.51 million dollars at 25x leverage, totaling a nominal exposure of about 43.67–43.68 million dollars. The entire position was heavily concentrated in these two macro-sensitive assets, effectively leveraging risk assets at a time when global liquidity was being pressured to tighten by yen carry trade liquidations, placing itself at the forefront of volatility impacts. For in-market traders, this was not only a directional bet but also a signal: amidst potential macro downturns, someone attempted to pull prices up with local liquidity, shifting short-term sentiment and market structure.
Onchain Lens indicated that this account had unrealized profits of about 193,000 dollars at the monitoring point, while historical cumulative losses were about 1.95 million dollars — indicating that it has a record of enduring floating losses and drawdowns without being frequently seen as "multiple liquidations"; a typical characteristic indicating a willingness to continue increasing high-risk positions in adverse environments. Such a track record amplifies market speculation around its position: if this long position of over 40 million dollars continues to yield profit, following sentiment will be ignited as more short-term funds choose to "stand with the whale"; conversely, under 25-40x leverage, as long as BTC/ETH faces relatively limited downward volatility amidst macro bearishness and liquidity tightening, it would be enough to push this account to the brink of significant liquidation or even a chain reaction. Given that external incremental funding capacity is currently suppressed by yen carry trade liquidations, in-market liquidity is more fragile, making such high-leverage concentrated longs more likely to trigger futures discounts, drastic fluctuations in funding rates, and passive selling pressures, causing short-term BTC/ETH trends to shift from "following interest and exchange rate curves" to focusing on the profits and liquidation ranges surrounding this massive position.
American Bitcoin's Accumulation and Miners' Long Positions
Unlike the high-leverage long position that formed on Hyperliquid in less than an hour, American Bitcoin accumulated a long position in a "blunt long" manner over the entire second quarter, steadily locking it onto its balance sheet. As a Nasdaq-listed mining company, it mined about 932 bitcoins in the second quarter of 2026, setting a new high for single-quarter production; as of June 30, it held around 8,002 bitcoins, with an increase of about 981 coins quarter-over-quarter, a growth of about 14%. This means that against the backdrop of BTC volatility and rising macro interest rates, this mining company not only did not reduce its holdings during the rebound but instead continued to mine and hoard coins, possibly further accumulating spot beyond production. Its disclosed metric of "Satoshis per share" also increased by about 11% quarter-over-quarter (data from a single source), firmly binding the leverage of the company's shareholders to the long-term trajectory of BTC.
From a pricing structure perspective, this miner's accumulation contrasts sharply with the high-frequency leveraged trades of whales, representing two entirely different long positions: the latter relies on funding rates and liquidation lines, and once the yen appreciates, and long-term U.S. Treasury yields remain high, it will become the most vulnerable link driven by carry trade liquidations and tightening liquidity; the former is anchored by electricity and facility costs, cyclically compressing the available supply of spot, hedging against inflation and currency depreciation over the years. By locking most new production onto its balance sheet, American Bitcoin effectively slowly withdraws a portion of "freely circulating tokens" during a macro contraction cycle, setting the stage for price elasticity at some point in the future. However, in the face of interest and exchange rate repricing triggered by U.S.-Japan joint interventions, this type of miner's long position resembles a buffer layer rather than a "bottomless buyer": it can raise the structural bottom of BTC but may struggle to absorb the selling pressure released by whale leveraged liquidations in a short amount of time. Ultimately, the true determinant of BTC's bottom lies in which force, macro liquidity contraction or the capacity of these long-term buyers, will be exhausted first.
BTC and ETH: Macro Contraction Against Three Buying Forces
In the main battlefield of BTC/ETH, the current bullish and bearish standoff can be compressed into a simple narrative: on one end is the forced contraction of the global carry trade chain following U.S.-Japan intervention, alongside the "high-interest ceiling" of the 30-year U.S. Treasury stabilizing above about 5%, while on the other end are the aggressive leverage increases of whale trades and the slow variable accumulation of miners. Post-intervention on July 31, the yen demonstrated clear appreciation, compounded by the U.S. long-term yield briefly rising to about 5.27% before slightly retracting to around 5.24%. According to QCP, this effectively raised the "financing cost" and "valuation discount rate" for the crypto market: yen carry funds were forced to reduce their holdings, the marginal inflow of high-yield assets slowed, while the long-term risk-free yield above 5% further elevated the risk premium required for BTC/ETH to maintain their current valuations. Such macro contractions often first manifest as decreased willingness to trade and cooling futures leverage, while subsequent price volatility is magnified by passive deleveraging.
For bulls, the ones “walking forward against the wind” are two completely different buying forces. The first is the whale that appeared on Hyperliquid around August 3: within less than an hour, it stacked 400.88 BTC (about 25.16 million dollars, 40x leverage) and 10,000 ETH (about 18.51 million dollars, 25x leverage) long positions, totaling a nominal position of approximately 43.67–43.68 million dollars, pushing the perpetual funding rate and the short-term basis of BTC/ETH toward a bullish dominant structure; the second is the patient accumulation of miners like American Bitcoin — mining about 932 BTC in Q2 but raising the total holding to about 8,002 BTC by the end of June, netting an increase of about 981 coins, using time to trade for prices, consistently recovering circulating tokens. When macro interest rates and exchange rate repricing drops, nominal long positions of high-leverage whales are easily triggered in chains of short-term retracements brought by yen carry liquidation, while funding rates and term bases rapidly flatten or even invert from a bullish structure; however, the slow buying from the miner side, while reducing the available supply of spot for sale, has also made localized selling pressure more intensely tread on thin liquidity, amplifying short-term volatility. Therefore, for BTC and ETH, the key now is not whether bulls are present, but at which moment the carrying liquidation forces triggered by the yen and long-term U.S. Treasury yields will exceed the pressures that these three buying forces consisting of whales and miners can endure.
Three Main Lines for Traders to Watch Now
To compress the previous content into one sentence: the yen and long-term U.S. Treasury yields have become the "top-tier valve" of BTC/ETH liquidity, with their opening and closing determining how far downstream leverage chains and industry buying can go. For traders, the first main line to watch is the yen exchange rate and carry size — QCP has already marked the movements of the yen and the 30-year U.S. Treasury yield as key macro variables for crypto liquidity. If the yen continues to appreciate post this round of joint intervention and long-term yields remain above 5%, it indicates that the pressure for yen carry liquidation has not been truly released yet, and the rebound is more like a technical breather within a high-volatility range; conversely, if the yen stabilizes and U.S. Treasury yields fall, it means that the valve is loosening again, providing an opportunity for risk appetite to repair from the bottom up. The second main line is the BTC/ETH leverage indicators themselves, especially under the condition that Hyperliquid's whale has already placed 40x BTC and multi-fold ETH positions on the chain; changes in open contracts and funding rates will magnify each macro data and exchange rate fluctuation. As soon as we see open interest rise and funding rates return to significantly positive values, we must recognize that the chain of liquidations has been tightened again. The third main line is the holding behavior of miners, with companies like American Bitcoin still increasing reserves to around 8,002 BTC in Q2 and net adding about 981 coins. This corresponds to laying down a layer of slow spot buying below the price; if subsequent disclosures show continued upward movement in holdings while prices are pressed in a range by high volatility, it structurally leans toward a fluctuating market with "industry backing below and leverage ceilings above." Putting these three main lines together: at the macro level, the yen and long-term U.S. Treasuries determine whether the faucet is tightening or loosening; at the trading level, BTC/ETH leverage determines whether trends are upward or downward or whether it's a liquidation market; at the industry level, miner holdings determine whether the downturn is treading air or a cushion. The true direction of this market will depend on how these three main lines re-prioritize in the coming weeks of fluctuations.
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