# Peak US National Debt before 2027 — $42 trillion

> $40 trillion leads at 93%, runner-up 42% across 3 winner-take-all outcomes — refreshed 9 min ago.

URL: https://simplefunctions.dev/odds/peak-us-national-debt
Updated: 2026-05-09T07:50:26.940Z
Category: general
Status: active
Closes: 2026-12-31

## Headline

- Leader: $40 trillion at 93%
- Runner-up: $41 trillion at 42%
- Outcomes: 3 (winner-take-all)
- Venue: Polymarket (3 contracts)
- 24h volume: $2

## Bound contracts (3)

| Outcome | Price | 24h | Volume | Venue | Slug |
|---|---|---|---|---|---|
| $40 trillion | 93¢ | ±0 | $2 | polymarket | /markets/peak-us-national-debt-before-2027-40-trillion-polymarket-0x83c948109c75656cc3a996b589052be0d06f68ebb016a14f82b0ded1faaa05ad |
| $41 trillion | 42¢ | +1pp | $0 | polymarket | /markets/peak-us-national-debt-before-2027-41-trillion-polymarket-0xc552c2d96a844be039ad665435bef6d2b256e304ebc596a0c2fca40e3340c20b |
| $42 trillion | 8¢ | ±0 | $0 | polymarket | /markets/peak-us-national-debt-before-2027-42-trillion-polymarket-0x1f9a27523f446ac64949dbbf8dfb385e9e7cc3516aec0a3c3a7cae9ca4df63b5 |

## 30-day trajectory

| Day | $40 trillion | $41 trillion | $42 trillion |
|---|---|---|---|
| 2026-04-09 | — | 46 | — |
| 2026-04-10 | — | 46 | 7 |
| 2026-04-11 | 95 | 43 | — |
| 2026-04-25 | — | 37 | — |
| 2026-04-26 | 96 | 34 | 7 |
| 2026-05-02 | 95 | 40 | 8 |
| 2026-05-09 | 93 | 43 | 8 |

_29 days of price history captured. Each row is the daily mean of intraday 5-min captures._

## Analysis

This market assesses the likelihood that U.S. national debt will reach $42 trillion before the end of 2026. The 92% probability reflects near-certainty among traders that this threshold will be breached given current spending trajectories and economic conditions. The primary driver is the U.S. fiscal trajectory: with debt currently in the $35-36 trillion range, reaching $42 trillion requires approximately $6-7 trillion in additional debt accumulation within 18 months—a pace consistent with historical deficits if spending or revenue patterns shift unexpectedly. The outcome depends on three main variables: government spending levels through 2026, tax revenue collections, and any major legislative changes to fiscal policy. The Treasury publishes monthly debt figures, making the resolution deterministic once the debt clock reaches $42 trillion. A significant catalyst would be any major fiscal legislation passed before year-end that either accelerates or constrains spending, though without such changes, existing budget projections point toward this threshold being crossed.

### Key factors

- U.S. national debt currently stands near $35-36 trillion, requiring approximately $6-7 trillion in additional accumulation to reach $42 trillion by end-2026
- Monthly Treasury debt data is public and updated regularly, making the resolution objective and verifiable rather than subject to interpretation
- Federal spending and tax revenue over the next 18 months remain the primary drivers; any significant fiscal legislation or macroeconomic shock could alter the trajectory materially
- Current deficit projections by CBO and OMB assume debt reaches this level under baseline scenarios, suggesting high baseline probability absent policy changes
- Economic growth, interest rate changes, and employment levels will affect both tax revenues and spending needs through mid-2026

## Methodology

Headline is the **leader's price**, not an arithmetic mean — averaging disjoint winner-take-all outcomes is meaningless. Per-outcome prices come from the venue's last-traded mid; cross-venue values are simple means across contracts on each venue.

## How to use this data

- HTML: https://simplefunctions.dev/odds/peak-us-national-debt
- JSON: https://simplefunctions.dev/api/public/odds?slug=peak-us-national-debt

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