What if simultaneous copper, iron ore and coal price falls compress diversified miner margins?
Simultaneous copper, iron-ore and coal price falls on a China downturn compress diversified-miner EBITDA (BHP/Rio/Glencore/Vale) and reprice high-yield mining credit, a recurring metals-sector stress channel.
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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 risk-off shock. Simultaneous copper, iron-ore and coal price falls on a China downturn compress diversified-miner EBITDA (BHP/Rio/Glencore/Vale) and reprice high-yield mining credit, a recurring metals-sector stress channel. The trigger decomposes into signed root‑shocks — China growth ▼ · Credit spreads ▲ · Industrial demand ▼ · Risk appetite ▼ — which propagate through our causal graph to the markets below.