Rheinmetall AG has emerged as the most actively traded stock on European exchanges during the first half of 2026, according to a review by German business publication WirtschaftsWoche.

The defense manufacturer’s shares have dominated trading volumes, reflecting sustained investor interest in the sector despite significant price volatility.

Yet, the company’s share price has experienced sharp swings, including a recent 17% drop on fears that the German government might cancel the F126 frigate program.

The heightened activity comes against a backdrop of escalating geopolitical risks, including the Iran conflict and fluctuating oil prices, which have driven capital toward defense and energy names.

However, the stock has faced headwinds from broader market skepticism and profit-taking in technology equities, creating a complex trading environment for defense investors.

Rheinmetall’s prominence in trading volumes underscores the sector’s role as a key beneficiary of global security concerns.

Yet, the company’s share price has experienced sharp swings, including a recent 17% drop on fears that the German government might cancel the F126 frigate program.