Geopolitics risk-off · 1–3 years
A what‑if from the future

What if Saudi Arabia buys nuclear warheads from Pakistan?

Saudi acquisition of Pakistani warheads is a proliferation shock more than a barrel shock: vol bids, Brent carries a modest premium, equities soften. The reference is the long-rumored Saudi-Pakistan nuclear understanding finally going overt; markets price the tail, not a supply cut. Transmission: Saudi is the swing exporter to Asia and the Fed-adjacent petrodollar anchor; the forward angle is that an overt Sunni bomb pressures the US security umbrella and could, at the margin, accelerate Gulf reserve diversification out of dollars.

6%
our model probability
over 1–3 years
prediction markets — the market's odds
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Anchored to measured history 6% · 90% range 0–13% · 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 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…

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What it would mean

If this plays out, it is a risk-off shock. Riyadh acquires nuclear warheads from Pakistan, igniting a Gulf proliferation cascade. The trigger decomposes into signed root‑shocks — Defense spending ▲ · Geopolitical risk ▲ · Oil supply risk ▲ — 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.