This week is an important week because it is the last week for this year's macroeconomic data:
Tuesday: Retail Sales
Wednesday: Federal Reserve Meeting + FOMC Decision
Thursday: GDP + Bank of Japan + GBP Monetary Policy Decision
Friday: PCE Prices
The Federal Reserve meeting is approaching, which could bring significant volatility to the market;
In the same week, seeing $BTC at 11k and 9.5k should not be surprising.