ParaZero Technologies enters the week with a familiar but sharpening tension: short interest has climbed more than 60% over the past month, and the stock has shed 15% in that same stretch to close at $0.64 on Friday.
The positioning picture is the clearest story here. Short interest in PRZO has risen 62% over the past 30 days to roughly 1.71 million shares, equivalent to 7.2% of the free float — a meaningful level for a micro-cap trading below $1. The build came in waves: shares short broke above 1.7 million in mid-April and have held in that range since. The ORTEX short score, hovering near 64, places the stock in elevated-pressure territory. Borrow availability tells a tighter story. Only about 31% of the existing short position is available for new borrows — well below the 200%-plus range that characterises a loose lending market. Combined with a utilisation rate that has climbed to 87.5% this week from around 77% at the start of May — the highest it has been in recent weeks — the borrow pool is getting squeezed. Cost to borrow runs around 8.8%, broadly stable over the past month, but the tightening availability is doing more to describe conditions than the rate itself.
The ORTEX factor scores underline the positioning tilt. The short score ranks in the 4th percentile of the universe — meaning almost no stocks show a more bearish short-side signal. The utilisation rank mirrors that, also in the 4th percentile. RSI-14 is running at just 36, approaching oversold territory without quite touching it, and the stock is down 22% year-to-date. No analyst consensus data is available for PRZO, and no valuation multiples are comparable given the absence of earnings-based figures for a company at this stage.
Earnings history offers some context, though not a comforting one. The last three confirmed earnings events all produced negative next-day moves — down 16%, down 11%, and down 1.5% respectively. Only the September 2025 print bucked the trend, logging a 6.6% gain on the day and a 25.5% five-day rally. The next event is scheduled for late August 2026.
Institutional ownership is thin and concentrated. The largest declared holder, Xylo Technologies, holds roughly 2.95% as of December 2024 with no reported change. Several individuals — Amitai Weiss, Regev Livne, Yigal Shtief, Natan Israeli — each added small positions in March 2026, but the sizes are modest. Close peers have had a very different week: INVZ gained 9% and FWDI rose 8.4% over the same five sessions that PRZO lost 12.8%, pointing to stock-specific rather than sector-driven pressure.
What to watch: whether short interest consolidates near current levels or resumes its April-style build — and whether availability tightens further as utilisation pushes toward the 52-week peak of 100%.
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