TSLTF (TransAlta Corp, PNK) tops $20.00 18 Feb 2026: why this top gainer matters

TSLTF stock led market gainers in US regular hours on 18 Feb 2026 after the OTC-listed TransAlta Corp (PNK) surged to $20.00 from a prior close near zero. The one-day move printed a +1,333,233.33% change on a light volume of 100.00 shares, putting TSLTF stock squarely in traders’ screens. We examine price drivers, the company’s financial metrics, and what the spike means for investors in the utilities sector and for TransAlta Corp’s USD-listed shares.