TMC the metals company Inc. Common StockTMC
Closing prices as of Sep 15, 2026Updated once daily after the US close — not a live quote.

$3.79

-7.98% past month

Notable price movement

  • Sep 15, 2026

    $3.75-2.09%

    Comparable Metal Mining companies fell 1.26% on average on the day , with declines ranging from LAC's 2.77% to NB's 1.93% alongside MP's 2.98% drop, a broadly similar move to this stock's decline .

  • Sep 14, 2026

    $3.83-2.67%

    Comparable Metal Mining companies fell 1.72% on average on the day , with NB down 4.60% and CLF down 3.40%, a move in the same direction as this stock's decline .

  • Sep 11, 2026

    $3.94-1.87%

    TMC shares fell 1.87%, a slightly larger decline than the broader move among comparable Metal Mining companies, which slipped 1.20% on average as 5 of 6 peers fell . Trading volume was well below the company's trailing average, at 0.5x, with the session ranging between 3.93 and 4.09 .

  • Sep 10, 2026

    $4.01-6.31%

    TMC shares fell 6.31%, a steeper decline than the 4.70% average drop across comparable Metal Mining companies, all six of which fell that day .

  • Sep 9, 2026

    $4.28-3.39%

    Shares fell 3.39%, a steeper decline than the comparable Metal Mining group, which was roughly flat on average with four of six names lower and two higher . The session traded on below-average volume within a 5.3% range .

  • Sep 8, 2026

    $4.43-0.23%

  • Sep 4, 2026

    $4.44+0.91%

Closing prices for TMC. Summaries describe past sessions only and are not advice, a forecast or a recommendation.

Prices and financial data are historical and provided for research only. Not investment advice.