Goldman: Possible decrease in Bitcoin after Elliot's fifth wave

The digital currency is riding a "fifth wave" of an "impulsive" rally that could run as high as $4,827 in the short term, technical analyst Sheba Jafari said in a Sunday report of charts to watch for the week ahead.

However, "once a full five-wave sequence is in place, the market should in theory enter a corrective phase," she said. "This can last at least one-third of the time it took to complete the preceding advance and retrace at least 38.2 percent of the entire move."

Although Jafari didn't explicitly name it, the five-wave principle of technical analysis is known as the "Elliott Wave." In July, The Elliott Wave Theorist newsletter also pointed out that bitcoin is "making a final fifth wave from six cents" after predicting the digital currency's surge seven years ago.

Bitcoin would also have to fall under $2,935 "to signal that a top is already in place," Jafari said in the report.

Dramatic price swings of several hundred dollars or more are not uncommon in the digital currency world. In the month after hitting a prior record of $3,025 in mid-June, bitcoin lost more than $1,000, before rallying to all-time highs in the last two weeks.

Source: Bloomberg Pro Terminal

Jr Trader Petar Milanov

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