12.17 Bitcoin strategy: The daytime movement is fluctuating and weaker than I expected. In the evening, still pay attention to the resistance at the 872-873 line. If it faces pressure, you can follow up with short positions; on the contrary, if the trend is strong and stabilizes above 873, you can follow up with long positions, or wait until near 890 to follow up with short positions. Let's wait for the Japanese interest rate data; there should still be some big fluctuations in the next few days. $BTC

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