What if S&P cuts France toward an A- rating?
An S&P cut of France toward A- on persistent 5%+ deficits widens OAT-Bund spreads and pressures European bank credit, but is a slow-burn rerating, not a shock. The 2012 France downgrade (loss of AAA) and the 2024 snap-election OAT widening to ~80bp are the templates, both orderly. Transmission is core-EZ: French banks' sovereign holdings and periphery sympathy; trade OAT-Bund widener, with the HY/crypto legs largely irrelevant to a single-notch IG move.
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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 1–3 years 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. S&P downgrades France a further notch toward A- as deficits stay above 5% with no credible consolidation path. The trigger decomposes into signed root‑shocks — Credit spreads ▲ · Financial conditions ▲ — which propagate through our causal graph to the markets below.