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$BTC
Bitcoin (BTC) is once again showing a clear time-based pattern.
During Asian and early European hours, BTC often holds key levels or stabilizes, but once the U.S. trading session opens, selling pressure tends to increase.
Recently, Bitcoin stayed relatively firm near major psychological levels overnight, only to face declines during U.S. market hours, alongside weakness in crypto-related stocks and mining companies.
This repeated behavior has led traders to casually call it the “U.S. session effect.”

What’s Causing This Pattern?
This is not about one single factor. Several structural and macro reasons are working together:
1️⃣ ETF-Related Flows
A large portion of Bitcoin demand now comes through spot BTC ETFs.
During U.S. market hours, ETF rebalancing, arbitrage, and profit-taking can create short-term selling pressure, which often fades outside regular trading hours.

2️⃣ Link to U.S. Stock Markets
Bitcoin is still treated as a risk asset by many investors.
When U.S. indices like the S&P 500 or Nasdaq show weakness during the day, crypto often reacts negatively, even if there’s no direct crypto-specific news.

3️⃣ Profit-Taking in Crypto Stocks
After strong rallies earlier in the year, miners and crypto-related companies have started seeing natural corrections.
When these stocks fall sharply during U.S. hours, overall crypto sentiment weakens, putting pressure on BTC as well.

What to Watch Next 📊
This week, macro events may increase volatility:
U.S. economic data could influence expectations around future interest-rate cutsCentral bank statements (Japan, Europe, UK) may impact global risk appetiteAny surprise policy signals can spill over into crypto markets

Market Takeaway 🧠
Bitcoin’s longer-term structure remains intactShort-term moves are being influenced by U.S. session liquidity and macro flowsVolatility during U.S. hours doesn’t automatically mean a trend reversal
📌 This is market analysis, not financial advice. Always manage risk and do your own research.

💬 Discussion
Do you think this U.S. session weakness is temporary, or is Bitcoin entering a phase where time-of-day behavior matters more for traders?