WULF has jumped 14% in a week and 37% in a month, and with 26% of the free float still short, the rally is happening against a wall of bearish positioning that has barely moved.
The short interest story is the most compelling tension here. At 25.9% of the free float — roughly 108.6 million shares — WULF carries one of the heavier short burdens in the crypto-mining space. That position has barely budged, down just 0.5% on the week, even as the stock climbed sharply. What's changed is availability: borrow tightened considerably this week, falling to 59% — from above 120% as recently as June 16 — meaning the pool of shares available to lend has nearly halved in two sessions. The 52-week availability low is 1.6%, so there's room to tighten further, but the direction of travel is notable. Cost to borrow remains low at 0.70%, keeping the carry manageable for shorts — for now. Options traders are tilting modestly more cautious, with the put/call ratio at 0.39, running nearly 1.8 standard deviations above its 20-day average of 0.36. That's not extreme, but it's the highest reading in recent weeks, suggesting some participants are hedging into the move rather than chasing calls.
The Street is firmly onside. Ten analysts carry buy-equivalent ratings, with a consensus target of $36.34 — about 25% above current prices. Coverage has broadened rapidly: BofA Securities initiated at Buy with a $34 target on June 15, Bernstein opened at Outperform with a $46 target in early June, and Morgan Stanley nudged its Overweight target up to $42 in May. That's three new or freshened views from significant firms in under a month, all positive. The bull case centres on TeraWulf's pivot from bitcoin miner to high-performance computing infrastructure provider, leveraging its clean-energy assets at Lake Mariner and a Kentucky site. Bears point to no new HPC contracts yet announced, expense reclassifications that have clouded EBITDA, and the ongoing capital intensity of the business — the EV/EBITDA multiple is running at roughly 40x, a premium that prices in meaningful execution on the HPC transition. Factor scores add nuance: EPS surprise ranks in the 96th percentile and the 30-day EPS momentum sits at the 98th, but the 90-day EPS momentum drops to just the 6th percentile — a divergence that reflects how recent the upgrade cycle has been.
Insider selling is a counterweight worth flagging. Founder and CEO Paul Prager sold approximately $19.9 million worth of shares across three transactions in late May at prices between $21 and $26.60. Founder and CTO Nazar Khan sold a further $9.6 million on May 18, and CFO Patrick Fleury sold $2.7 million the same day — though each of those coincided with stock award grants. The net 90-day insider balance is technically positive in share terms due to the awards, but the cash sales by the two founders at prices well below the current $28.98 close are worth noting as the stock pushes to new highs. On the institutional side, Jane Street added over 25 million shares in the period ending April 28, and Citadel built a 10-million-share increment by late May — flows that suggest the stock's recent momentum has attracted active traders alongside the longer-term holders.
WULF's peer group amplifies the broader crypto-mining rally this week, but WULF is outpacing most of it. CIFR leads the pack with a 29% weekly gain, but RIOT, CORZ, HUT, and CLSK are all up 6-7% — roughly half WULF's move. The outperformance likely reflects the HPC re-rating thesis playing out on top of the broader bitcoin tailwind, rather than pure crypto beta. Earnings are on the calendar for August 7, and that event will be the first real test of how much HPC revenue has actually converted from pipeline to contract.
The setup heading into summer is a high-short-interest, fast-appreciating stock where borrow availability is tightening, analyst coverage is expanding bullishly, but insiders have been selling into the same rally the Street is praising — a tension that makes the next HPC contract announcement, or lack of one, the clearest near-term signal to watch.
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