Central Banks & Macro risk-off · 0–6 months
A what‑if from the future

What if a widening deficit forces another record Saudi debt wave?

A widening 2026 deficit forcing record PIF/sovereign issuance widens Aramco and Saudi (GACI) spreads — a primary-supply and credit story; the oil leg is incidental, not a global supply shock. Rhymes with Saudi's heavy 2020 and 2024 record bond programs that pressured Gulf credit. The Gulf recycles petrodollars into US assets, so heavy issuance competes for the same global IG bid; the novel angle is Vision-2030 spending keeping the deficit structurally bid-hungry even at moderate oil.

16%
our model probability
over 0–6 months
prediction markets — the market's odds
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Anchored to measured history 16% · 90% range 0–33% · 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 risk-off shock. A widening 2026 deficit forces another record PIF and sovereign debt issuance, widening Saudi Aramco and GACI spreads. The trigger decomposes into signed root‑shocks — Credit spreads ▲ · 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.