Biggest ASX share price moves in September 2026, and why

In September 2026, 206 ASX share moves had a cause we could name. The biggest rise was Dateline Res. (DTR) at +47.6%, on regulatory news. The biggest fall was Echoiq (EIQ) at −50.0%, on regulatory news. Moves are the explained ones the site flagged that month, by the size of the day's move as it ended; the kind of news is the platform's reading of the news that day. General information only, not financial product advice.

Biggest rises (130 in the month)

  • DTRDateline Res.Regulatory · 28 Sep+47.6%
  • EIQEchoiqRegulatory · 18 Sep+31.4%
  • CDACodanGuidance Up · 29 Sep+23.9%
  • WCNWhite CliffOperational · 21 Sep+21.7%
  • SRLSunrise EnergyRegulatory · 8 Sep+21.2%
  • DXNDXNOperational · 30 Sep+20.9%
  • FRSForrestaniaOperational · 4 Sep+18.3%
  • IELIDP EducationManagement · 21 Sep+17.4%
  • A4NAlpha HPAOperational · 1 Sep+17.1%
  • SBMST BarbaraTakeover / M&A · 10 Sep+16.4%

Biggest falls (75 in the month)

  • EIQEchoiqRegulatory · 9 Sep−50.0%
  • MEKMeeka MetalsCapital Raise · 25 Sep−25.9%
  • BC8Black CATGuidance Down · 30 Sep−24.7%
  • TUATuasSector Flow · 23 Sep−23.4%
  • AYAArtryaStake Change · 10 Sep−19.2%
  • MTMMetalliumOperational · 30 Sep−18.7%
  • LINLindian Res.Operational · 30 Sep−18.5%
  • ASLAndean SilverCapital Raise · 2 Sep−17.3%
  • GLNGalan LithiumSector Flow · 25 Sep−17.1%
  • LINLindian Res.Contract · 3 Sep−17.0%

Top 10 each way. Percentages are the move on the day it was flagged.

What kind of news

  • Operational47 moves
  • Sector Flow28 moves
  • Capital Raise17 moves
  • Unknown17 moves
  • Earnings Beat16 moves
  • Takeover / M&A15 moves
  • Regulatory14 moves
  • Stake Change13 moves

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