Lin Chen, head of Asia Pacific commerce at Deribit, said in a post that an option trader bought 20,000 BTC long bullish vulture spread, bullish BTC at the end of the year in the range of 106,000 to 112,000: buy the end 100,000 bullish; sell the end 106,000 bullish; sell the end 112,000 bullish; buy the end 118,000 bullish. Note: Bull Condor Spread, an options portfolio strategy that uses four options contracts with four different strike prices in the expectation that the underlying asset will ri...