The lending market for ZSQR (Z Squared Inc.) has hit a wall. Availability has collapsed to just 3.3% — meaning only one share remains borrowable for every thirty already lent out. That is the tightest the borrow pool has been in nearly a year.
Availability has plunged 47% in a single week. It briefly touched 2.5% on April 29 — the 52-week low — before recovering slightly. Now it is back near that floor.
Cost to borrow has moved sharply in lockstep. CTB hit 11.30% on June 3. That is up 53% week-on-week. A month ago it stood at 7.5%. The direction is unambiguous.
Short shares outstanding climbed 34% over the past week to 647,461. Day-on-day growth has been steady. From mid-May to now, short interest has nearly doubled from the ~350,000 range. Demand for borrows is accelerating — but supply is not following.
When availability falls this low, new short positions become effectively impossible to open. Existing shorts face forced recall risk if lenders pull back. That dynamic can compress short interest mechanically, regardless of conviction.
The FINRA fortnightly report (settlement date May 15) showed 516,958 shares short — already below the current ORTEX daily estimate of 647,461. The gap suggests shorts have added aggressively in the two-and-a-half weeks since that print.
Days to cover stood at 3.05 per the latest official data. That figure will likely move higher when the next FINRA report settles.
ZSQR trades on Nasdaq in the biotechnology space. The stock is up 7% over the past week but down 26% over the past month. An earnings event is flagged for June 26.
Correlated peers have had a rough week. EDIT fell 22%. NKTX dropped nearly 15%. TCRX shed 9%. ZSQR's relative outperformance over seven days — even as short pressure builds — makes the lending dynamics more notable.
Institutional holder data is sparse. Vanguard Capital Management holds 311,348 shares as of April 30, a new position. Marshall Wace, a known short-focused manager, holds 24,513 shares.
Watch: Whether availability breaches the April 29 low of 2.46% as the June 26 earnings date approaches.
See the live data behind this article on ORTEX.
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