The Short Report
FNArena’s weekly ASIC-based update on ASX short positions for the week ending May 21, 2026 shows the highest short percentages above 10% in LOT (18.34%), DMP (15.39%), TLX (14.66%), BOE (14.61%), GYG (13.55%), and TWE (13.52%), among others. Nanosonics (9.87%) and Healius (9.84%) were near 10%. The report notes moves into higher/lower brackets and that short-percentage figures alone may not indicate bearish intent.
NAN sits just below 10%, so incremental negative news could push it higher and sustain downside pressure.
Nanosonics (NAN) short positions are listed at 9.87% (in: NAN), indicating bearish positioning near the 10% threshold.
Tactical downside bias if sentiment worsens; otherwise mean reversion is possible.
Background
This is FNArena’s weekly ASIC-derived update on ASX-listed stocks with notable short-position percentages, grouped by ranges and flagged as 'In'/'Out' by bracket changes.
Why it matters
Because the article contains no company-specific news, it functions mainly as a positioning/volatility indicator; directional trading should be conditioned on upcoming catalysts and confirmation from price action.
Market relevance
Elevated short percentages (especially 'In' names) can increase sensitivity to surprises, but the report warns against assuming shorts equal bearish fundamentals.
Market effects
Multiple healthcare/biotech and resources names show elevated short percentages, implying crowded positioning across risk-on/risk-off themes.
ASX-wide short positioning changes may contribute to broader volatility sensitivity in Australian equities.
Limited direct global linkage; however, commodity-linked names (e.g., RIO) can transmit sentiment to global peers via risk appetite.
Alternative perspectives
Short increases may reflect hedging, market-making, or option-delta hedges rather than a purely negative fundamental view, reducing directional conviction.
The report explicitly cautions that ASIC short data can be misclassified or offset by other positions; bracket moves alone may not predict returns.
Key entities
- regulatorASIC
Australian Securities & Investments Commission provides the short-position data used in the report.
- exchangeASX
Australian Securities Exchange lists the securities referenced; it also maintains its own short-position register.
- publisherFNArena
Publishes the weekly short-position summary and includes methodological caveats about interpretation.
