Energy & Commodities mixed · 0–6 months
A what‑if from the future

What if a new H5N1 wave culls US laying hens?

A fresh D1.1 H5N1 wave culling tens of millions of US layers re-spikes egg prices — the clean trade is long eggs and a food-CPI pop; the entire crude-collapse/gold-bid cascade is wildly mis-mapped (a poultry cull doesn't crater oil demand). Rhymes exactly with the Apr-2025 H5N1 wave that drove record US egg prices near $8/dozen. Transmission: domestic protein substitution and breakfast-food margins (Cal-Maine benefits). Forward: barn biosecurity has improved, so repopulation is faster than 2022 — spikes are sharp but shorter-lived.

30%
our model probability
over 0–6 months
prediction markets — the market's odds
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Anchored to measured history 30% · 90% range 12–47% · 40 dated precedents behind it — a wider range means thinner evidence

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 0–6 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…

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What it would mean

If this plays out, it is a mixed shock. A fresh D1.1-driven H5N1 wave forces culling of tens of millions more US laying hens beyond prior years, re-spiking egg prices. The trigger decomposes into signed root‑shocks — Food inflation ▲ · Pandemic shock ▲ — which propagate through our causal graph to the markets below.

Methodology. Probability and impact are anchored to history and scored against what actually happens — wins and losses, in public, at Reality Check. Market odds live from Polymarket & Kalshi. By Vikas Singh, Quantitative Strategist. Updated 2026-08-13.