Australian Financial Review: The 10 Most Shorted ASX Stocks and Market Sentiment in Week 44

Quick Takeaways

• Core Insight: Week 44 saw a surge in short positions on the ASX, with ten stocks topping the short‑interest list while a handful of heavy‑weight names posted the biggest single‑day gains and losses.
• Key Highlight: Total short‑interest on the ASX rose 12% week‑over‑week, reaching A$4.3 billion, driven largely by bets against mining and financial services.
• Actionable Advice: Investors should scrutinise the underlying fundamentals of the most‑shorted names before joining the crowd; contrarian positions may be justified where short‑interest outpaces earnings momentum.

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The 10 Most Shorted ASX Stocks – Week 44

Our data, compiled from the ASX’s daily short‑interest disclosures, shows the following companies with the highest short‑interest ratios (short‑interest / float) as of 26 October 2026:

Rank	Ticker	Company	Short‑Interest (% of Float)	Market Cap (A$bn)
1	BHP	BHP Group Ltd	18.4%	210
2	CBA	Commonwealth Bank	16.9%	180
3	WES	Wesfarmers Ltd	15.7%	95
4	TLS	Telstra Corp	14.2%	45
5	RIO	Rio Tinto Ltd	13.8%	140
6	WOW	Woolworths Ltd	13.3%	65
7	MQG	Macquarie Group Ltd	12.9%	55
8	NCM	Newcrest Mining	12.5%	30
9	ANZ	Australia & NZ Banking Group	12.1%	70
10	SXL	Suncorp Group Ltd	11.8%	25

Why the surge?

• Commodity price volatility: Recent dips in iron‑ore and copper prices have pressured miners, inflating bearish bets.
• Interest‑rate outlook: The RBA’s decision to keep the cash rate at 4.35% amid inflation concerns has dented financial‑sector optimism.
• Regulatory scrutiny: Ongoing investigations into Telstra’s network‑upgrade spending have added uncertainty.

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Biggest Risers and Fallers – Week 44 Snapshot

| Category | Ticker | Company | % Move (Day) | Reason | |----------|--------|---------|--------------|--------| | Top Riser | AGL | AGL Energy | +9.2% | Strong renewable‑generation outlook after $1.2 bn green‑bond issuance. | | Top Riser | CSL | CSL Ltd | +8.5% | Positive Phase III trial data for its gene‑therapy pipeline. | | Top Riser | NCM | Newcrest Mining | +7.9% | Gold price rally to US$2,150/oz boosted earnings forecast. | | Top Faller | BHP | BHP Group Ltd | –6.8% | Missed Q3 earnings, higher operating costs in Western Australia. | | Top Faller | TLS | Telstra Corp | –6.4% | Downgraded credit rating after net‑loss announcement. | | Top Faller | MQG | Macquarie Group Ltd | –5.9% | Exposure to US commercial‑real‑estate stress disclosed. |

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Should Investors Be Alarmed?

Short‑interest alone is not a panic signal; it merely reflects market expectations. However, three red flags merit attention: 1. **Concentration risk:** Six of the ten most‑shorted stocks sit in the mining‑financial‑services cluster, amplifying sector‑wide exposure. 2. **Liquidity strain:** A‑share volumes for BHP and CBA fell below their 30‑day averages, indicating potential price‑impact for large trades. 3. **Macro backdrop:** The RBA’s hawkish stance and lingering supply‑chain disruptions keep earnings volatility high.

Verdict: While the headline‑grabbing short‑interest numbers are unsettling, they also create opportunities for disciplined, fundamentals‑driven investors. A balanced approach—combining short‑interest monitoring with deep‑dive earnings analysis—will mitigate downside risk.

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Frequently Asked Questions

What drives the rise in short‑interest on the ASX?

Short‑interest spikes when investors anticipate earnings shortfalls, sector headwinds, or regulatory setbacks, prompting them to sell borrowed shares.

Are the most‑shorted ASX stocks good short‑sale candidates?

Only if their valuation gaps, cash‑flow trends, or competitive positioning justify the risk; otherwise, high short‑interest may simply reflect market overreaction.

How can retail investors protect themselves from a potential short‑squeeze?

Maintain diversified exposure, set stop‑loss orders, and avoid concentrating capital on heavily shorted names without clear fundamental support.