Stephen Alpher

Stephen is CoinDesk's managing editor for Markets. He previously served as managing editor at Seeking Alpha. A native of suburban Washington, D.C., Stephen went to the University of Pennsylvania's Wharton School, majoring in finance. He holds BTC above CoinDesk’s disclosure threshold of $1,000.

Stephen Alpher

Latest from Stephen Alpher


Markets

Why bitcoin’s ‘500-day rule’ faces its biggest test yet

The so-called ‘500-day rule’ says buying BTC roughly 500 days before a bitcoin halving and selling it about 500 days after would have produced profits in prior cycles.

A bus carries a Bitcoin advert.

Markets

Live updates: An AI credit bubble could set up bitcoin’s path to $1 million, says Arthur Hayes

Maelstrom co-founder Arthur Hayes says overleveraged AI data-center spending will eventually crack, forcing government bailouts and money printing that become the next major bitcoin catalyst.

BTC

Finance

SpaceX tops Wall Street revenue forecast, posts $540 million loss on bitcoin holdings

Elon Musk's space company posted its first earnings as a public company ahead of a major insider share unlock.

SpaceX and Tesla CEO Elon Musk

Markets

Bitcoin’s $63,000 zone emerges as key battleground for buyers: Glassnode

Retail investors and large whales are buying as bitcoin trades near its 200-week moving average.

URPD (Glassnode)

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Finance

Dinari brings tokenized U.S. stocks to American investors as equity race heats up

The move brings the custodial tokenization model to eligible U.S. investors as competition over blockchain-based equities intensifies.

Dinari co-founder and CEO Gabe Otte (Dinari)

Finance

Live updates: Bitcoin stuck in tight range as risk assets soar on Iran deal hopes

Japan may have spent as much as $36.6 billion buying yen in the first joint US-Japan action to support the currency since 1998. Bitget Wallet’s Alvin Kan says it can slow a disorderly slide without reversing the broader trend.

BTC

Markets

U.S.-Japan intervention revives yen carry trade fears for bitcoin

Coordinated action sent the yen sharply higher, but bitcoin’s recent correlation suggests U.S. dollar strength, rather than the carry trade, may be the bigger risk.

Close up of the red circle at the center of the Japanese flag. (DavidRockDesign/Pixabay)

Finance

BlackRock expands tokenized cash with new blockchain-based money market offerings

Both funds intend to qualify as eligible reserve assets for permitted U.S. payment stablecoin issuers under the GENIUS Act.

BlackRock logo on a stone block

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Finance

Tom Lee's Bitmine bought more ether, added to stock buyback last week

Chairman Tom Lee said ether's outperformance versus the Nasdaq in July signals strengthening crypto fundamentals.

Tom Lee, chairman of Bitmine and cofounder of Fundstrat, speaking at Consensus 2026 in Miami (CoinDesk)

Markets

Strategy sold another $105 million of bitcoin last week, repurchased $81.2 million of STRC

The company trimmed bitcoin holdings by 1,638 coins, while raising $290.6 million with sales of common stock.

Strategy Executive Chairman Michael Saylor (CoinDesk Television)