National Australia Bank logo
NAB

National Australia Bank

Banks

National Australia Bank (NAB) is one of Australia’s major banks, generating earnings primarily from net interest income and fees across consumer banking, business and private banking, and institutional banking. It holds a leading position in Australian business banking and has a large domestic deposit base that supports funding and margins. NAB differentiates through scale, a broad distribution network and digital channels, and deep relationships with SMEs and corporate clients across Australia and New Zealand.

Short position

short percentage2.12%
reported shorts66M
shares on issue3.117B

National Australia Bank (ASX:NAB) has 2.12% of its shares on issue reported as short positions as of 5 Oct 2026, or about 65,989,036 shares. Over the past 30 days that figure has risen 0.50 percentage points, and over 90 days it has risen 1.15 percentage points. NAB is classified in the Banks industry. All figures come from official ASIC short position reports, published with a four trading-day (T+4) delay.

Price & short interest

Toggle series, zoom, and compare · ASIC daily, T+4

National Australia Bank (NAB) short interest history

NAB Short Interest History

30-day change
+0.50pp
90-day change
+1.15pp
1-year change
+1.52pp
All-time high
2.12% (October 2026)
All-time low
0.19% (January 2014)

Is NAB heavily shorted?

Not especially: 2.12% short interest is modest by ASX standards, ranking #149 of 799 ASX securities with reported short positions. ASIC requires positions of 0.01% of issued capital or $100,000 (whichever is less) to be reported.

How has NAB's short interest changed recently?

Over the past 30 days National Australia Bank's short interest has been broadly stable, and over 90 days it has risen 1.15 percentage points. The current level is 2.12% of shares on issue.

What is the highest NAB's short interest has been?

Since 2010, National Australia Bank's short interest peaked at 2.12% in October 2026 and bottomed at 0.19% in January 2014.

Where does this data come from?

All figures are sourced from daily ASIC short position reports, published with a four trading-day (T+4) delay. Shorted aggregates the full history since 2010. See our methodology.