It’s been a whipsaw week for bitcoin and other digital currencies, leaving investors struggling to decipher bitcoin’s true value. A single bitcoin traded at $3,560 on Friday afternoon. Trade has been characteristically volatile. The digital currency experienced two drops of more than 30% over the past three months, thought it is up 250% year to date. Dan Davies, senior research adviser at Frontline Analysts, argued there’s no point in attempting to value bitcoin as if it were just another...

Getty Images Grayscale’s Bitcoin Investment Trust, a closed-end bitcoin fund, has lost nearly half of its value over the past two weeks, after falling a further 10% on Thursday amid a precipitous plunge in the value of its underlying asset. The 48% dive in the fund so far in September comes as bitcoin has shed about a third of its value, as the digital-currency market convulses lower on a spate of negative news. On Thursday, a single bitcoin BTCUSD, -13.58% was trading down 13% at $3,340, in...

The price of digital currency bitcoin rose on Monday, putting it on track for a solid monthly gain, while rival cryptocurrency Ether extended its recent weakness and headed for a substantial monthly loss. At last check, a single bitcoin BTCUSD, +2.55% was up 1.1% to $2,776.99, according to cryptocurrency research-and-data site Coindesk. Bitcoin is off less than a percentage point from its all-time high above $3,000 set on June 11, and on track to end the month 13% higher. Despite an...

Getty Prices of the most prominent digital currencies tied to the bitcoin and Ethereum networks fell sharply on Tuesday, extending their retreat from records set last month, even as the nascent market shows signs of maturing. A single bitcoin BTCUSD, -7.30% which hit an all-time high above $3,000 on June 11, was on Tuesday morning trading 7.2% lower at $2,580.28. Meanwhile, Ether, the currency underpinning the Ethereum network, fell about 8% to trade at $205.21. The cryptocurrency peaked at...