In the past 30 days, the net outflow from the US spot Bitcoin ETF has been approximately $6.35 billion, creating one of the largest 30-day net outflow records since its launch. Following six consecutive weeks of net outflows, the cumulative net inflow since its launch in January 2024 has dropped to about $53.4 billion, indicating systemic destocking signals from compliant fund channels. On the supply side, Galaxy Research points out that Bitcoin mining difficulty has decreased by over 20% from its historical peak, marking the largest decline since 2021. This typically implies that some high-cost miners are exiting the network due to profit pressure or are forced to sell inventory, representing a typical "miner surrender" phase. Compared to this short-term deleveraging, Japan's national corporate pension fund — a part of the pension system involving about 1,200 small and medium-sized enterprises — plans to allocate about 1% of its assets to cryptocurrency through passive funds under large hedge funds within the 2026 fiscal year. The fund’s executive director views the potential weakening of the US dollar's status as the anchor currency and the demand for "currency diversification" as significant motivations for introducing such assets, emphasizing Bitcoin's low correlation with the US dollar index and its resistance to currency depreciation. The short-term selling pressure created by the ETF net outflow and miner surrender, juxtaposed with the potential long-term institutional buying plans from Japanese corporate pensions, forms a mismatch structure with one side reducing risk and the other side increasing allocation. How this round of "surrender + bottom-feeding" changes the elasticity of spot supply and the duration of institutional holdings, redefining the risk premium and capital curve for Bitcoin and broader cryptocurrency assets, will become a key issue to watch moving forward.

ETF Monthly Net Outflow of 6.35 Billion: What Risks Are Institutions Reducing?

In the past 30 days, the net outflow from the spot Bitcoin ETF has been about $6.35 billion, ranking among the largest 30-day net outflows since its launch. Coupled with the previous six weeks of net outflows, this has caused the cumulative net inflow since its January 2024 launch to drop to approximately $53.4 billion. For institutions primarily entering through ETFs, this means that the long positions previously established through compliant channels are being systematically reduced rather than simply rotated intraday: some funds choose to lock in profits from this round, while others are adjusting target weights for high-volatility macro assets at the overall portfolio level. Since ETF capital flows are seen as a barometer of medium to long-term allocation willingness and macro risk appetite for Bitcoin, sustained outflows of this scale are a quantitative representation of "cooling off risk assets."

From a macro allocation framework, ETF bloodletting often corresponds to tighter expectations for interest rates and liquidity: when institutions increase their demands for future financing costs, US dollar liquidity, and risk compensation, assets with the highest volatility and the most sensitivity to global interest rates are first to be reduced in the portfolio, and Bitcoin is at this level. As a result, the ETF, which has been the most significant compliant spot funding entry since 2024, has shifted from net absorption to net supply, leading to a reduction in passive buying in the spot market. This significantly raises the marginal incremental capital required for price increases, altering Bitcoin's liquidity depth and price elasticity in the short term: similar-sized sell-offs more easily depress prices, while similar-sized buy-ins struggle to push prices higher. For ETH and other crypto assets, the outflow from the ETF does not only bring an emotional "risk preference downgrade," but also triggers a chain reaction across the asset pricing chain—when portfolio managers regard Bitcoin as a "macro proxy target" for the whole crypto sector and collectively reduce positions, the risk premiums of related assets rise, and beta exposure is compressed, forming a top-down deleveraging chain.

Miner Surrender: Selling Pressure and Bottom Signals Behind a 20% Difficulty Retreat

During the same phase of collective reduction in ETF fund positions, structural changes are also occurring on the supply side. Galaxy Research points out that Bitcoin mining difficulty has decreased by over 20% from its historical peak, representing the largest decline since 2021. Such a level of adjustment usually occurs only when some high-cost miners are forced offline or shut down their equipment, characteristic of a typical "miner surrender" stage. After halving, block subsidies are reduced and prices come under pressure, compressing miner income (subsidies + transaction fees), making marginal miners more susceptible to falling into loss areas, with the first to exit being those with the highest electricity and capital costs. This process means that in the short term, they often have to liquidate inventory and daily output, resulting in concentrated selling pressure.

The difficulty mechanism automatically adjusts downward based on changes in total network hash power. Once a difficulty decrease of over 20% occurs, the surviving miners face lower mining difficulty and marginal costs for unit output, alleviating cash flow pressure, and reducing the demand for actively selling cryptocurrencies, which subsequently contracts the daily supply from "structural sellers" on-chain. Historically, during phases of price pressure or post-halving, whenever such significant difficulty retreats occur, they typically correspond to or approach cyclical price bottom areas: on one hand, the passive selling by previously high-cost miners cleans out panic selling; on the other hand, the continuous supply side weakening provides elasticity for subsequent price recovery. Combined with the current ETF capital's six consecutive weeks of net outflow and significant difficulty retreat, miner surrender can be viewed as a signal nearing the end of the supply-side of this round of deleveraging, but this signal more indicates an increase in mid-term value-for-money probability rather than an accurate measure of short-term price lows.

Japan's Pension Plan 1% Allocation: Symbolic Significance of Contrarian Long-Term Buying

During the same period of six consecutive weeks of net outflow from ETFs and accelerated passive selling pressure from miners, Japan’s national corporate pension fund is planning a counter-direction long-term allocation. This fund, involving approximately 1,200 small and medium-sized enterprises, plans to allocate about 1% of its assets to cryptocurrency through large hedge fund-backed passive funds within the 2026 fiscal year. The fund's executive director clearly stated that the status of the US dollar as the anchor currency might weaken, and because Bitcoin has a low correlation with the US dollar index, it is regarded as having certain properties that resist currency depreciation. Thus, the introduction of Bitcoin to the portfolio is more due to the demand for "currency diversification" rather than purely betting on price elasticity.

From the perspective of macro variables, this statement directly embeds Bitcoin into the narrative of "diversification of the currency system" and "hedging risks associated with a single reserve currency." Even though the current information mainly comes from a single media outlet, and the total asset size and implementation details of this pension fund have not been disclosed, the absolute amount of a 1% weight is difficult to measure, but its symbolic significance lies in the fact that traditional conservative Asian funds have publicly viewed Bitcoin as a currency diversification tool for the first time. For other pensions, insurance funds, and sovereign capital within the region, this precedent may lower compliance, public opinion, and career risk thresholds, pushing more institutions to migrate Bitcoin from the position of "trading risk asset" to "currency risk hedge at the portfolio level" in long to mid-term asset allocation discussions. Once such pension buying aimed at currency diversification forms a replicable paradigm, Bitcoin's long-term capital structure is expected to evolve from being led by retail investors and short-term ETF funds on exchanges to being supported by strategic positions held by conservative institutions.

Surrender Selling to Upper-level Pensions: Capital Layering of Bitcoin, ETH, and Altcoins

From a funding structure perspective, this round of ETF capital outflow and miner surrender essentially belong to the same round of deleveraging: one side is approximately $6.35 billion in net redemptions from the spot ETF over the past 30 days, representing short-term reductions from compliant channels; the other side is the mining difficulty dropping over 20% from historical highs, correlating to high-cost miners exiting and selling inventory. The combination of both signifies that the Bitcoin spot market is simultaneously bearing "productized holdings" (ETFs) and "production-side inventory" (miners) types of passive selling within the same time window, amplifying the sensitivity of prices to macro interest rates, the strength of the US dollar, and the discount of volatile assets, rather than resulting from short-term fluctuations driven by a single entity's sentiment.

In contrast, Japan's national corporate pension fund plans to allocate approximately 1% of its managed assets to cryptocurrency through passive funds within the 2026 fiscal year, targeting "currency diversification" as a long-term fund. Its duration and turnover rate are entirely different from those of miners or early holders, making them closer to "buy and hold" patient capital. Historically, Bitcoin tends to be included in institutional portfolios first, followed by ETH and a few mainstream assets. Under this layering, Bitcoin is treated as a high-volatility monetary hedge asset within macro portfolios, promptly receiving long-term buying from pensions, while ETH is more regarded as a technology and infrastructure risk exposure, with a lagging allocation rhythm. However, once included, the capital structure will also trend towards a long-term nature. Highly volatile altcoins, on the other hand, are generally outside these institutional asset pools, often encountering more severe capital withdrawal and valuation discounts during risk contraction phases dominated by ETF reductions and miner surrender. This ultimately forms a three-layer structure where "Bitcoin is supported by strategic bottom positions and passive funds, ETH occupies the middle ground, and high-beta altcoins depend on short-term trading capital."

Bottom Fishing: How Surrender Signals and Institutional Accumulation Redefine This Cycle's Pricing

With around $6.35 billion in net outflow from the ETF over the past 30 days, coupled with mining difficulty retreating over 20% from its high, this represents a typical combination of "capital withdrawal + miner surrender," indicating that this round of deleveraging has entered the later stage of concentrated pressure release. On the other hand, Japan’s national corporate pension fund plans to allocate about 1% of its managed assets to cryptocurrency through passive funds within the 2026 fiscal year. Although still in the planning stages with uncertainties regarding scale and implementation pathways, this provides new incremental expectations for mid- to long-term capital structure. This set of signals alters the market's judgment regarding Bitcoin’s cyclical position and future buyer structure: on one hand, the cumulative net inflow from developed market ETFs has dropped to around $53.4 billion, with short-term passive reduction pressures from six weeks of net outflows; on the other hand, the slow institutional accumulation intentions motivated by "currency diversification" begin to enter the pricing framework. For traders and institutions alike, it is essential to closely monitor three core variables: firstly, whether the pace of net outflows from spot ETFs slows or even turns positive; secondly, whether mining difficulty and hash power stabilize after substantial retreats, verifying whether miner selling pressure has subsided; thirdly, the clarity of Japan's regulatory arrangements and pension execution timelines, which determine the actual entry pace of potential long-term buying. As a high-volatility macro asset, Bitcoin’s risk premium will continue to be shaped by global interest rates, the strength of the US dollar, institutional allocation behaviors, and on-chain supply structures; therefore, these interwoven signals of "surrender and accumulation" ought to be viewed as clues for repositioning pricing cycles and capital structures rather than guarantees of short-term price movements in one direction.

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