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Institutional selling pushes Bitcoin risk higher
Bitcoin is moving into a higher-risk regime as institutional selling — driven largely by US spot Bitcoin ETFs — continues to pressure the market, according to Swissblock. The analytics firm said its proprietary Bitcoin risk index sits at 33 out of 100, a level the platform associates with elevated selling pressure and broad institutional distribution. The index is designed to measure the balance between buying and selling forces, helping traders and investors judge how risky it is to accumulate or hold BTC at a given moment.
Swissblock noted that after significant accumulation in March and April, May has shifted the market back into distribution. With spot ETF demand weakening, the firm warned that the risk index could climb further if ETF flows fail to absorb ongoing selling.

Bitcoin risk index accelerates with increasing ETF outflows.
ETF outflows and on-chain analytics show persistent distribution
On-chain provider Glassnode has tracked consistent net outflows from US spot Bitcoin ETFs almost every trading day since May 7, signaling continued institutional selling for more than two weeks. Glassnode highlighted that this steady stream of ETF outflows adds supply to the market while a clear demand offset is not yet visible, amplifying downside pressure on Bitcoin.
Market participants have pointed to more than $2 billion in spot ETF outflows over the prior two-week window, underscoring how sensitive institutional risk appetite remains. That loss of ETF bid has coincided with the Swissblock risk index shifting into the high-risk band, reinforcing concerns that institutions are rotating out of accumulated positions rather than adding exposure.
Market stance: consolidation, cautious flows
Analysts say the broader crypto market looks stuck in a holding pattern as funds flow out of ETFs and on-chain indicators reflect distribution. Traders watching liquidity metrics, exchange balances, and ETF flow data are treating the current environment as one where risk management and position sizing are paramount until buying demand reappears.
Geopolitical shocks add short-term volatility
Risk perceptions spiked further after reports that the US launched strikes targeting Iranian missile sites and vessels said to be placing mines. US Central Command framed the operations as acts of self-defence intended to protect US forces from perceived threats. Bitcoin reacted with a modest pullback, slipping about 1% from just above $77,000 to just under $76,500 on Coinbase as reported by TradingView, but the asset has remained largely range-bound over recent months.
Despite the geopolitical headlines, some traders appear focused on longer-term catalysts such as talks around a possible US-Iran peace deal and broader macro signals. That has helped temper panic selling and supports the view that short-term news may be filtered out if institutional buyers re-emerge.
Outlook and risk management
With spot ETF inflows no longer reliably soaking up selling pressure, the market could see the Swissblock risk index climb further unless demand materializes. For investors and traders, the immediate takeaway is to monitor ETF flow reports, on-chain supply metrics, and exchange inventories closely. Position sizing, stop management, and diversified exposure remain critical tools while institutional demand is recalibrating in this higher-risk phase for Bitcoin.
Source: cointelegraph
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