BMNR has spent the past month quietly squeezing its short sellers, with shares up 26% while the short position has shrunk by a sixth — a combination that sets up an interesting tension heading into the week.
The short-side retreat is the clearest story in the data. Short interest peaked near 19% of the free float in early July and has fallen steadily to 15.2% now, shedding roughly 15 million shares in the process. That decline has accelerated over the past month — down 16% in shares — even as the stock has continued to rally, suggesting some shorts have been forced to or chosen to cover into strength. Despite the reduction, 15% of float is still a heavy load, placing BMNR firmly in contested territory rather than anything resembling a clean bull setup.
The borrow market is loose enough to sustain the remaining short position, which makes a mechanical squeeze unlikely in the near term. Availability is running at 223% — meaning more than two shares are available to borrow for every share already short — well above the 52-week trough of 49%. Cost to borrow has ticked up about 47% on the week to 0.53%, but in absolute terms that is still negligible, well below the 2.3% spike seen in early July. The ORTEX short score has drifted lower over the past two weeks, from 55 to 52, consistent with a position that is large but actively unwinding rather than building. Options traders remain overwhelmingly call-oriented: the put/call ratio is 0.37, just above its 20-day average of 0.35 and near the bottom end of the past year's range, signalling that derivatives positioning is broadly bullish rather than hedged.
The Street picture is harder to parse clearly, partly because analyst data on this name is thin. Valuation multiples offer some context: the P/E has risen about 3 points over the past 30 days to 20.7x, reflecting the stock's re-rating from a much lower base. Enterprise value is reported at roughly $9.5 billion — a number worth treating with some caution given the company's smaller profile and volatile float. The ORTEX factor scores paint a mixed backdrop: the short score ranks in the 21st percentile of the broader universe, meaning positioning is lighter than most heavily-shorted names, yet the EPS surprise score at the 13th percentile suggests the company has not been a consistent beat-and-raise story. Sector score sits neutral at 50.
Institutional ownership has been building. Vanguard established a new position of 20.3 million shares as of March-end, while Citadel added 5.9 million shares in the same period. BlackRock and Morgan Stanley both increased positions through June. ARK Investment Management holds 9.7 million shares and has been adding, a signal that at least one growth-oriented active manager sees the immersion-cooling narrative as credible. The insider record over the past 90 days is limited to routine equity award grants to directors — no open-market purchases or sales — which neither adds to nor detracts from the bull case.
Recent earnings reactions have been notably positive. The July 17 print produced a 7.7% next-day gain, and a second event on July 14 generated an 8.1% jump with a 17.9% five-day follow-through. Prior to that, the April 29 report was essentially flat on day one but gained 6.7% over the following week. The pattern across all four recent events is positive — none produced an outright post-print decline. The next scheduled event is in November, leaving a long runway before earnings become a near-term catalyst. Peers have been broadly moving in the same direction this week: MSTR gained 1.5%, BTCS added 2.9%, and ABTC surged 12% — suggesting the entire Bitcoin-adjacent complex has been in favour rather than BMNR outperforming in isolation.
What to watch is whether short covering continues at its recent pace or stalls now that the stock has retraced to $18 — the convergence of still-elevated short interest, loose borrow conditions, and a bullish options skew means the key variable is whether new shorts step in to replace those who have exited, or whether the position continues its orderly decline toward single digits.
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