Global markets faced a significant risk-off shift today, led by the S&P 500 index plunging over 10%, a move rarely seen in recent sessions. This sharp decline was the primary catalyst behind widespread selling across risk assets, including cryptocurrencies. There were no scheduled central bank announcements or macroeconomic events today, but investor caution intensified as the Federal Reserve remains on hold with its policy rate at 3.75%, while the Bank of Japan continues its hiking cycle at 1.00%. This backdrop likely contributed to a reassessment of risk, as market participants digested the absence of fresh policy changes and focused on global growth concerns.

Bitcoin and major altcoins followed the equity markets lower, with BTC dropping by 2.46% to around ¥12.4 million, and Ethereum falling 2.18% to approximately ¥389,500. Other leading tokens like Binance Coin and XRP also declined by more than 2.5%, reflecting a broad-based retreat. This sell-off matters because cryptocurrencies, often seen as higher-risk assets, tend to move in tandem with equities during heightened market uncertainty, suggesting that investors are reducing exposure to volatile assets in favor of safer positions.

Market sentiment has clearly turned cautious, with on-chain data showing decreased trading volume and fewer large transactions, indicating less buying interest at current levels. This reduced activity can signal a wait-and-see approach by investors, who may be hesitant to enter the market until clearer signals emerge from central banks or macroeconomic developments. The continuing hiking cycle by the Bank of Japan contrasts with the Fed's pause, creating a complex international interest rate environment that may influence capital flows and investor risk appetite in the months ahead.

For the remainder of the US evening session, key levels to watch include Bitcoin's support near ¥12.3 million and resistance around ¥12.6 million, as a break below or above these could set the tone for short-term direction. Ethereum's support sits close to ¥385,000, with resistance near ¥395,000. Given today's sharp equity decline, investors should monitor whether risk sentiment stabilizes or if further downside pressure will spill over into crypto markets. Close attention to upcoming central bank meetings, especially the Fed's next gathering in June 2026 and the BOJ's in September 2026, will be crucial for gauging future market dynamics.