Tamboran Resources (ASX:TBN) Could Be 36% Undervalued Following Earnings And Auditor Warning - Simply Wall Street
Tamboran Resources (ASX:TBN) Could Be 36% Undervalued Following Earnings And Auditor Warning Simply Wall Street
Everything you need to track shorting on the ASX — official ASIC short selling data updated daily with T+4 delay. Follow the most shorted ASX stocks, analyze short interest trends, and explore industry heatmaps.
ASIC short position data as at (T+4 reporting delay)
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Tamboran Resources (ASX:TBN) Could Be 36% Undervalued Following Earnings And Auditor Warning Simply Wall Street
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Stocks with the biggest short position changes
Over the past week of ASIC short position data to 29 September, short sellers built their largest new positions in Zip Co (ZIP, up 1.32 percentage points to 12.54% of shares on issue), Artrya (AYA, up 0.97pp to 7.63%) and Paladin Energy (PDN, up 0.71pp to 11.07%). Rising short interest signals growing bearish conviction against a stock among hedge funds and institutional investors.
On the other side of the ledger, shorts covered most heavily in Vulcan Energy Resources (VUL, down 0.60 percentage points to 7.03% of shares on issue), Nanosonics (NAN, down 0.34pp to 6.52%) and Electro Optic Systems Holdings (EOS, down 0.34pp to 10.23%). Falling short interest can mean the bear case has played out — or that short sellers are locking in profits and reducing exposure.
Track every position change in the stock screener or browse the top 100 most shorted ASX stocks.
Explore short positions across 25 ASX industry sectors
Stock picker
Dan Zanger's breakout rules, CAN SLIM, the Minervini trend template, crowded-short breakouts and quality compounders run over every ASX stock: market regime, ranked shortlist and every rule shown pass, fail or unknown.
Macro dashboard
Interactive state map — unemployment, trade, state final demand and fuel, with cash rate and CPI. ABS, RBA and DCCEEW open data.
Macro dashboard
National and suburb-level prices, demographics and drilldown maps from ABS and RBA data.

Shorted's new stock picker runs four named strategies over every ASX stock we track, starting with Dan Zanger's breakout method. Every rule is scored pass, fail or unknown against published data: ASIC short positions, daily prices and volume, the S&P/ASX 200 trend and newly typed company fundamentals. Here is what each rule tests, where the numbers come from, and what the picker cannot see.

The national dwelling stock is now worth $12.8 trillion and the average home $1.11 million, but that average hides a two-speed market: Perth, Brisbane, Adelaide and Darwin houses are up 15 to 25 per cent in a year while Sydney and Melbourne are flat. Here is the March-quarter picture from ABS, RBA and Valuer-General data, state by state, with the caveats that matter.

A suburb page on Shorted carries a Valuer-General median, a Census profile, four SEIFA indexes, amenity and school counts, electorates, elevation and hazard shares, recent asking-price cuts and the suburbs most like it. Here is how each layer is built, what it can and cannot tell you, and how to read them together, using Altona North as the worked example.
All short position data is sourced directly from ASIC (Australian Securities and Investments Commission) daily reports. We track over 4,500 ASX-listed securities with historical data from 2010 to present — the top 100 short positions on the ASX, with interactive historical charts and industry sector breakdowns.
ASIC publishes short position data with a 4 trading day delay to balance market transparency with preventing potential manipulation. Data shown reflects positions from 4 trading days ago, not real-time figures.
View interactive historical charts, industry heatmaps, and weekly reports. Screen stocks by short interest, days to cover, director trades, and news sentiment. Track short interest trends, identify heavily shorted companies, and monitor bearish sentiment across the Australian market.
Go deeper: ASX short selling statistics — total dollars shorted, daily short interest scans, the strategy-driven stock picker, the top 100 most shorted ASX stocks, or the full list of ASX short positions.
New to this? Learn how short selling works on the ASX, keep the short selling glossary handy, then read the weekly ASX short selling reports.
| Rank | Code | Company | Short Interest % |
|---|---|---|---|
| 1 | DRO | Droneshield | 14.91% |
| 2 | LOT | Lotus Resources | 13.21% |
| 3 | BOE | Boss Energy | 12.94% |
| 4 | IPX | Iperionx | 12.88% |
| 5 | ZIP | Zip Co | 12.54% |
| 6 | PLS | PLS Group | 12.43% |
| 7 | 4DX | 4Dmedical | 11.75% |
| 8 | DMP | Domino's Pizza Enterprises | 11.71% |
| 9 | PDN | Paladin Energy | 11.07% |
| 10 | TWE | Treasury Wine Estates | 10.82% |
| 11 | WTC | Wisetech Global | 10.76% |
| 12 | TLX | Telix Pharmaceuticals | 10.67% |
| 13 | LYC | Lynas Rare Earths | 10.55% |
| 14 | ELD | Elders | 10.28% |
| 15 | EOS | Electro Optic Systems Holdings | 10.23% |
| 16 | FLT | Flight Centre Travel Group | 10.17% |
| 17 | RIO | Rio Tinto | 9.85% |
| 18 | CUV | Clinuvel Pharmaceuticals | 9.01% |
| 19 | IPH | IPH | 9.00% |
| 20 | DYL | Deep Yellow | 8.90% |
| 21 | LLC | Lendlease Group | 8.88% |
| 22 | CU6 | Clarity Pharmaceuticals | 8.67% |
| 23 | EDV | Endeavour Group | 8.64% |
| 24 | NXT | Nextdc | 8.59% |
| 25 | TLC | The Lottery | 8.48% |
| 26 | BRG | Breville Group | 8.38% |
| 27 | GMD | Genesis Minerals | 8.21% |
| 28 | MI6 | Minerals 260 | 8.15% |
| 29 | SDR | Siteminder | 8.15% |
| 30 | BPT | Beach Energy | 7.79% |
| 31 | SLX | Silex Systems | 7.75% |
| 32 | AYA | Artrya | 7.63% |
| 33 | MSB | Mesoblast | 7.48% |
| 34 | AUB | Aub Group | 7.31% |
| 35 | PNV | Polynovo | 7.24% |
| 36 | GDG | Generation Development Group | 7.13% |
| 37 | A2M | The A2 Milk Company | 7.10% |
| 38 | CAT | Catapult Sports | 7.03% |
| 39 | VUL | Vulcan Energy Resources | 7.03% |
| 40 | CYL | Catalyst Metals | 7.02% |
| 41 | DVP | Develop Global | 6.73% |
| 42 | PXA | Pexa Group | 6.68% |
| 43 | NCK | Nick Scali | 6.62% |
| 44 | NAN | Nanosonics | 6.52% |
| 45 | ELV | Elevra Lithium | 6.50% |
| 46 | TYR | Tyro Payments | 6.48% |
| 47 | A4N | Alpha Hpa | 6.32% |
| 48 | CIA | Champion Iron | 6.13% |
| 49 | ILU | Iluka Resources | 6.12% |
| 50 | ORA | Orora | 6.11% |
| 51 | XRO | Xero | 5.87% |
| 52 | LIC | Lifestyle Communities | 5.87% |
| 53 | LTR | Liontown | 5.78% |
| 54 | DGT | Digico Infrastructure Reit | 5.64% |
| 55 | RHC | Ramsay Health Care | 5.56% |
| 56 | ABB | Aussie Broadband | 5.53% |
| 57 | GYG | Guzman Y Gomez | 5.47% |
| 58 | BEN | Bendigo and Adelaide Bank | 5.46% |
| 59 | MFG | Magellan Financial Group | 5.45% |
| 60 | SIG | Sigma Healthcare | 5.36% |
| 61 | ASX | ASX | 5.33% |
| 62 | CBO | Cobram Estate Olives | 5.27% |
| 63 | ARU | Arafura Rare Earths | 5.21% |
| 64 | AGL | AGL Energy | 5.20% |
| 65 | INA | Ingenia Communities Group | 5.20% |
| 66 | SUL | Super Retail Group | 5.13% |
| 67 | ACL | Australian Clinical Labs | 5.06% |
| 68 | NEC | Nine Entertainment Co. Holdings | 4.98% |
| 69 | PNI | Pinnacle Investment Management Group | 4.93% |
| 70 | ARB | ARB | 4.90% |
| 71 | KAR | Karoon Energy | 4.90% |
| 72 | TPW | Temple & Webster Group | 4.81% |
| 73 | NHC | New Hope | 4.67% |
| 74 | EVN | Evolution Mining | 4.47% |
| 75 | HSN | Hansen Technologies | 4.42% |
| 76 | CAR | Car Group | 4.41% |
| 77 | SDF | Steadfast Group | 4.41% |
| 78 | HMC | HMC Capital | 4.38% |
| 79 | MIN | Mineral Resources | 4.38% |
| 80 | SBM | St Barbara | 4.27% |
| 81 | PPT | Perpetual | 4.23% |
| 82 | PME | Pro Medicus | 4.23% |
| 83 | BOQ | Bank of Queensland | 4.21% |
| 84 | BMN | Bannerman Energy | 4.16% |
| 85 | ING | Inghams Group | 4.15% |
| 86 | MTS | Metcash | 3.92% |
| 87 | LIN | Lindian Resources | 3.88% |
| 88 | ARF | Arena Reit | 3.85% |
| 89 | REA | Rea Group | 3.84% |
| 90 | CHN | Chalice Mining | 3.83% |
| 91 | PDI | Pdi Gold | 3.83% |
| 92 | VCX | Vicinity Centres | 3.74% |
| 93 | CXO | Core Lithium | 3.65% |
| 94 | FMG | Fortescue | 3.57% |
| 95 | AOV | Amotiv | 3.51% |
| 96 | HLI | Helia Group | 3.50% |
| 97 | SRL | Sunrise Energy Metals | 3.48% |
| 98 | MPL | Medibank Private | 3.43% |
| 99 | RFF | Rural Funds Group | 3.35% |
| 100 | MAF | Ma Financial Group | 3.33% |
Yes. Short selling is legal in Australia and regulated by ASIC, the Australian Securities and Investments Commission, which requires market participants to report their net short positions. Naked short selling — selling shares without first arranging to borrow them — is prohibited under section 1020B of the Corporations Act 2001.
Short interest is the total number of shares held short in a stock, usually expressed as a percentage of the company's total shares on issue. On the ASX, below 5% is normal, 10-15% is elevated, and above 20% signals extreme bearish positioning and potential short squeeze pressure.
ASIC publishes aggregated short positions with a T+4 trading day delay, so each report reflects positions held four trading days earlier. The delay gives ASIC time to compile accurate figures, protects reporters from being front-run, and limits the scope for market manipulation.
You borrow the shares through a broker with a securities lending arrangement in place, sell them at the current price, then buy them back later — profiting if the price has fallen. Covered short selling is the only legal form in Australia, and losses are theoretically unlimited if the price rises instead. Read the full guide to shorting the ASX.
More answers in the short selling FAQ, or work through the short selling guides in Learn.