What if Post-tariff COMEX copper premium collapses as US destocks?
After front-loaded imports, US copper demand stalls and the bloated COMEX-LME premium unwinds violently, pressuring domestic prices even as LME holds.
Every number ships with its receipt — the odds, the range, the precedents, and a public grade at Reality Check. The statistical machinery that produces it is proprietary.
The butterfly cascade
How this trigger trickles across markets, left → right — the root shock, its first‑order moves, then the ripple effects. Drag any node; tap a market for its real price history.
Resolution timeline — how this probability is moving
Our model's odds (electric blue) over time vs the market's (Polymarket, amber), from the past toward the 6–18 months horizon. Each dot is a real macro event that nudged the probability — green pushed it up, red pushed it down. Tap a dot for the source. Loading the probability audit trail…
What it would mean
If this plays out, it is a mixed shock. After front-loaded imports, US copper demand stalls and the bloated COMEX-LME premium unwinds violently, pressuring domestic prices even as LME holds. The trigger decomposes into signed root‑shocks — Copper ▼ · Industrial demand ▼ · Risk appetite ▲ · Trade tension ▲ — which propagate through our causal graph to the markets below.