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Bitcoin drops below $54K, stocks sell-off after new Covid variant emerges vào tháng 11 26, 2021 25% skew indicator bearish alert bearish tone bitcoin dec bitcoin options bitcoin regulation call optionsone derivatives futures futures premium — market analysis options markets options side- +
Key Bitcoin options 'fear' indicator reflects traders' regulatory concerns vào tháng 9 21, 2021 bitcoin futures bitcoin options bitcoin price bitcoin regulation derivatives markets market analysis markets options indicator options side- price collapse price started professional traders +