CIFR is caught in a widening sector selloff, down 10.4% on the week and 34.5% over the past month, while short sellers have quietly rebuilt positions to a level that now ranks among the more elevated readings in the bitcoin mining space.
Short interest has climbed meaningfully. At 17.2% of free float — up 12.2% week-on-week and 22.2% over the past month — the short book has grown steadily since late July, when it sat closer to 13%. The acceleration happened in two steps: a steady grind higher through August 3–21, then a sharper jump after August 24 as the stock broke down. That pattern suggests shorts added conviction after a technical failure, not before it. Borrowing costs remain remarkably subdued at 0.57%, barely moving despite the position build. Availability has tightened from above 300% in late July to 123% now — still comfortably in the "tight" band but well off the looseness that made shorting cheap and easy two months ago. Options traders, by contrast, are not defensive. The put/call ratio is running at 0.29, slightly below its 20-day average and not far from the 52-week low of 0.24. That's a divergence worth noting: the short book is growing, but the options market is not hedging — call demand is still the dominant positioning story on the listed derivatives side.
The Street remains formally bullish, though targets have come down sharply since the August 4 earnings print. JP Morgan trimmed to $22 while keeping Overweight; KBW cut from $32 to $28 on its Outperform. Against a current price of $14.61, even the trimmed targets imply substantial upside on paper. Morgan Stanley holds the most optimistic target on the register at $47, reduced marginally from $48.50 in July. The mean target of $32.18 looks stretched relative to where the stock is trading — more than double the current price — which reflects the speed of the recent decline rather than a Street capitulation. The factor picture is mixed: CIFR scores in the 95th percentile on EPS surprise history, yet sits in the bottom decile on EPS momentum over both 30 and 90 days. The short score of 65.9 — ranking in the 7th percentile for bearish short positioning across the universe — confirms the bears have the more concentrated position here.
The activist angle adds a layer of complexity. V3 Holding Ltd holds a Schedule 13D position, the activist designation, at 14.6% of shares — trimmed from 15.0% in its most recent amendment filed June 4. With 13 filings since July 2025, V3 has been an active presence on the register throughout CIFR's recent history. Morgan Stanley also crossed the 5% threshold and filed a fresh Schedule 13G in August. As always with 13D/G disclosures, these stakes are as-last-disclosed around the 5% threshold, and a holder can exit below that level without a further filing. On the institutional side, BlackRock and Vanguard have both been adding modestly, while Morgan Stanley's disclosed position grew to 6.3% — a notable increase that partially offsets the V3 trim. The ownership picture is more supported than the price action alone would suggest.
The most sobering data point for any prospective buyer is the August 4 earnings reaction. The stock fell 22.6% on the day and extended the move to -28.8% over the subsequent five sessions. With the next event scheduled for October 27, the market has had roughly two months to reprice expectations — and the short book's continued expansion through August suggests sellers do not yet believe the reset is complete. Peers traded similarly poorly on the week: RIOT fell 16.5%, CLSK dropped 13.3%, and CORZ was down 10.9%, pointing to broad-based sector weakness rather than any CIFR-specific catalyst. What to watch is whether the borrow market tightens further as availability approaches the 52-week low of 61.3% — that threshold, if reached, would meaningfully change the cost dynamic for new shorts entering the position.
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