SNDK heads into September with its short base now decisively through the threshold that had capped it all summer — and a Street firmly divided on whether the stock has earned its 547% year-to-date gain.
The rebuild flagged in last week's note has continued without pause. Short interest closed September 1 at 7.96 million shares — 5.43% of the float — up 7.9% on the week and now marginally above the 5.7% peak set on July 28 before the earnings-driven covering cascade. That July figure had been the ceiling. Bears have now punched through it. The month-on-month picture is more nuanced: SI is actually 3% lower than it was in early August, so this isn't a fresh long-term crowding event, but the direction of travel over the past two weeks is unambiguous. Shorts that covered aggressively into the August earnings prints have returned, and they are adding.
The borrow market is giving them every reason to stay patient. Availability runs at 3,292% of short interest — roughly 33 shares remain lendable for every one already borrowed. That is broadly unchanged from last week's 3,320% reading, and while it has drifted lower from the 4,700% range seen in late July and early August as shorts rebuilt their position, the lending pool remains extraordinarily deep. Cost to borrow at 0.23% is near the low end of its 30-day range and down 23% on the week — there is simply no cost pressure on the bears. Options add a touch of caution to the picture: the put/call ratio at 1.27 is running modestly above its 20-day average of 1.22, about 1.25 standard deviations elevated, suggesting incremental hedging demand without anything close to an alarm signal.
The Street's disagreement over valuation is the sharper tension. A bulk of analyst moves clustered around the August 14 earnings print: JP Morgan reinstated at Overweight with a $2,250 target, Cantor Fitzgerald held firm at $2,900, and Wedbush reiterated Outperform at $2,000 — all projecting meaningful upside from current levels. The more cautious voices are equally prominent. Wells Fargo and RBC both raised their targets post-earnings but kept Equal-Weight and Sector Perform ratings respectively; Mizuho, in the most recent action on August 25, trimmed its target slightly to $1,875 while holding Outperform. The consensus mean target of $2,125 implies around 38% upside from $1,537, but with Wells Fargo's equal-weight at $1,550 and the stock up 26% in a month, the neutral camp's math is already looking stretched. The analyst recommendations factor score sits at the 99th percentile — the Street is about as bullish in direction as it gets — yet the divergence in targets from $1,550 to $2,900 reflects genuine disagreement about how to value a newly independent NAND pure-play that has re-rated faster than anyone modelled. Valuation multiples back up the anxiety: trailing PE near 6x and EV/EBITDA near 5x look cheap in isolation, but price-to-book at 3.1x has expanded roughly 0.8 points over 30 days on a stock that has already moved a long way.
Institutional flows offer one more data point worth noting. Jane Street filed a fresh Schedule 13G on August 5, disclosing a 5% stake of 7.4 million shares — a significant position built rapidly by a firm not typically associated with long-term fundamental holding. FMR (Fidelity) filed an amendment on August 6 showing its stake had dropped to 5.3% from 8.7% previously, a reduction of more than three percentage points. Vanguard's 13D/G register tells a similar story of restructuring: the original Vanguard Group entity filed showing its stake had gone to zero, while Vanguard Capital Management separately filed a fresh 13G at 7.17%. The position reshuffling around the spinoff is still working its way through the institutional base, and the as-last-disclosed caveat applies — stakes around the 5% threshold can change materially without a further filing.
The earnings history makes the next catalyst on October 30 genuinely difficult to read. The two August prints produced a +22% and a -11.8% single-day move respectively, showing that the stock can move hard in either direction on a release — and that the market is not yet settled on a baseline. With shorts now back above their pre-earnings high, the borrow pool deep and cheap, and analyst targets spread across a $1,350 range, what October 30 will settle is less whether SNDK can grow and more whether the post-spinoff re-rating has run ahead of the earnings trajectory.
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