The Metals Company Surges as Options Heat Up and Deep-Sea Mining Policy Comes Into Focus
December 19, 2025 — Shares of TMC the metals company Inc. (NASDAQ: TMC) are back in the spotlight after another sharp move higher, extending what has already been a headline-grabbing year for one of the market’s most polarizing “critical minerals” stories: deep-sea mining.
As of mid-day on Dec. 19, TMC stock traded around the mid-$7 range and was up roughly ~10% on the session, after opening near $7.00 and hitting an intraday high near $7.70. [1]
That price action is the easy part. The harder — and far more important — question for investors is why TMC keeps whipping around, and what the latest swirl of policy signals, partnerships, and forecasts really means for the stock.
What’s driving TMC stock on Dec. 19, 2025?
The most…
