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CBA vs RIO — ASX Short Interest Comparison

Side-by-side comparison of short positions for COMMONWEALTH BANK. ORDINARY (ASX:CBA) and RIO TINTO LIMITED ORDINARY (ASX:RIO), based on official ASIC short position reports as of 30 May 2026.

RIO is more heavily shorted, with 8.36% of shares reported as short positions against 1.71% for CBA — a gap of 6.65 percentage points.

CBA

COMMONWEALTH BANK. ORDINARY

Short interest
1.71%
Reported positions
28,666,970
Industry
Banks

RIO

More shorted

RIO TINTO LIMITED ORDINARY

Short interest
8.36%
Reported positions
31,083,584
Industry
Materials

Source: official ASIC short position reports (T+4 delay). Methodology · Disclaimer — not financial advice.