IperionX Limited heads into its October 1 earnings release with short sellers at their most aggressive in months, borrow availability at a record low, and the stock down 13% in a week.
The short side has been building steadily and is now unmistakable. Short interest has climbed to 13.5% of the free float, up 30% over the past month and 6.5% over the past week alone. The pace has accelerated: from late August through mid-September, shorts added positions gradually; the last two weeks have seen a sharper step-up. ORTEX's combined short score now reads 84.8, near the top of its recent range and at its highest print in the 10-day history shown. That is a high-conviction bearish positioning signal, not a modest lean.
The lending market confirms the squeeze on available supply. Availability has dropped to just 29.2% of short interest, its lowest level of the past 52 weeks, meaning for every share already borrowed there are fewer than a third of a share still available to lend. Six weeks ago availability was above 99%. The compression has been almost continuous since mid-August: from 99.6% on August 19 to 29.2% today. Cost to borrow has edged higher too, reaching 3.94%, up roughly 4% on the week and 9% over the past month. Individually these are moderate borrow costs; in combination with the tightening availability, the borrow market is becoming genuinely constrained for new short positions.
Insider buying, however, tells a different story. Executive Chairman Todd Hannigan and CEO Anastasios Arima both bought stock in July at prices around AUD 3.58, well above Tuesday's close of AUD 2.63. Hannigan's combined July purchases totalled 825,000 shares for roughly AUD 2.96 million. Arima added 138,720 shares for approximately AUD 497,000. Net insider buying over the past 90 days runs to around 664,000 shares worth AUD 2.4 million. These are not trivial amounts from peripheral directors: they are the two most senior executives buying at prices 36% above where the stock closed this week.
Institutional ownership is concentrated at the top. BNY Asset Management holds 26.7% of shares and added nearly 25 million shares in its most recent filing. State Street added just over 5 million shares as of September 1. JPMorgan's custodial position of 6.6% also saw a large recent increase of 8.75 million shares. The top four holders alone account for more than 51% of shares outstanding, which limits the free float and likely contributes to the borrow tightness.
The recent earnings history adds weight to the setup. The most comparable prior release, August 4, produced a one-day gain of 13.3% and a five-day move of 23.6%. The June 16 event moved the stock down 16% on the day and 23% over five days. The April 27 release saw an 8.3% one-day gain and a 14.5% five-day move. Reactions have been large in both directions. The stock also fell 4.7% on September 28, which the data logs as an earnings-related event. The mean analyst price target, last updated in late July, stands at AUD 5.15, implying roughly 96% upside to the current price, though that figure is now two months stale and should be treated with caution.
With availability at a 52-week low, short interest at a monthly high, and a binary earnings event arriving tomorrow, the key question is whether the sustained short build reflects informed concern about the print or simply speculative positioning against a stock that has already fallen sharply.
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