What if Fed liquidity-floor miscalculation re-triggers a 2019-style repo spike?
Misjudging the ample-reserves level during runoff re-creates a September-2019 funding squeeze, spiking SOFR and forcing emergency repo as the operational error rattles risk briefly.
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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. Misjudging the ample-reserves level during runoff re-creates a September-2019 funding squeeze, spiking SOFR and forcing emergency repo as the operational error rattles risk briefly. The trigger decomposes into signed root‑shocks — Volatility (VIX) ▲ · Credit spreads ▲ · Financial conditions ▲ · Risk appetite ▼ · Risk-parity deleveraging ▲ — which propagate through our causal graph to the markets below.