Ridgetech, Inc. is a micro-cap stock in free fall with a striking disconnect: short sellers are racing for the exits, yet the lending market remains expensive and borrow remains fully absorbed.
Short interest has collapsed almost entirely in a matter of weeks. From a peak near 2.3 million shares on April 7, estimated short interest has fallen to just 6,427 shares — a drop of nearly 97% over the past month. That unwind accelerated dramatically this week, with shorts cut by roughly 93% in five days alone. At today's level, SI registers at just 0.06% of the free float, effectively a non-event in positioning terms.
The borrow market tells a different story, and that contrast is the most interesting thing about RDGT right now. Despite the near-total exodus of short sellers, cost to borrow is still running at 71.7% APR. That is elevated for any stock, let alone one with negligible short interest. Availability of shares to borrow has fallen to 0% — every share in the lending pool is currently out on loan — even as the number of actual borrows has shrunk dramatically. The 52-week high on utilization was 100%, hit as recently as April 30, and the current borrow market sits only slightly below that tightness.
The short score has also moved sharply lower this week. It dropped from 80.4 on May 8 to 69.5 on May 12, a notable single-week decline after holding in the 80–81 range for most of April and early May. The days-to-cover rank remains elevated at 82nd percentile, a reflection of how thin trading volumes are relative to any remaining short position. The utilization rank of 11 is low in percentile terms, consistent with the sharp shrinkage in borrowed shares — but the borrow cost remaining above 70% suggests the lending pool itself is tiny, not that conditions have eased.
Ridgetech's price is down 42% over the past month, closing at $1.45 on May 12, after a 6.5% drop in the last session. A 5% bounce on the week provides little cover. The stock is a micro-cap with a market cap of approximately $177,000 — a size that makes any position meaningful and any volume unusual. Earnings history shows the stock has fallen on the day of each of the last four results, with average next-day declines of around 6%, though the five-day moves have been mixed: a 62% recovery followed a March 16 print, while a November 2025 report led to a 14% five-day loss. The next event is scheduled for June 26.
Institutional ownership is thin — three holders on record, with the largest being Lingtao Kong at 12.2% of shares. Insider data is too stale to carry weight. Analyst coverage is absent. With no Street coverage and ownership concentrated in a handful of names, any price discovery in RDGT will be driven entirely by how borrow availability evolves around June's earnings and whether the cost to borrow finally softens as the last shorts close out.
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