# Ukraine agrees not to join NATO by June 30

> Liquidity-weighted aggregate at 4% across 1 contract — refreshed 20 min ago.

URL: https://simplefunctions.dev/odds/ukraine-agrees-not-to-join-nato-june-30
Updated: 2026-05-28T20:20:09.115Z
Category: geopolitics · Topic: ukraine
Status: active
Closes: 2026-06-30

## Headline

- Probability: 4% (liquidity-weighted across 1 contract)
- Venue: Polymarket (1 contract)
- 24h volume: $109K

## Bound contracts (1)

| Outcome | Price | 24h | Volume | Venue | Slug |
|---|---|---|---|---|---|
| Ukraine agrees not to join NATO by June 30? | 4¢ | ±0 | $109K | polymarket | /markets/ukraine-agrees-not-to-join-nato-by-june-30-polymarket-0x9772347ce628f4427ab437333679512aba5a98a4d14ff2a138f99fe7a40ba5fe |

## 30-day trajectory

| Day | Aggregate |
|---|---|
| 2026-04-28 | 20 |
| 2026-05-14 | 6 |
| 2026-05-21 | 4 |
| 2026-05-26 | 5 |

_19 days of price history captured. Each row is the daily mean of intraday 5-min captures._

## Analysis

This probability indicates that markets assess a 3% chance Ukraine formally agrees to forgo NATO membership before June 30, 2026. The low probability reflects that Ukraine has consistently pursued NATO integration as a strategic priority, particularly since Russia's 2022 invasion. The current level suggests markets view a voluntary agreement as unlikely within the timeframe, though it could shift if major diplomatic developments occur or if military/political circumstances change substantially. The contract resolves based on whether Ukraine's government issues an official commitment not to pursue NATO membership before the deadline. Key drivers include ongoing peace negotiations, if any materialize; statements from Ukrainian leadership; NATO's own posture toward Ukrainian candidacy; and Russia's negotiating position on the conflict.

### Key factors

- Ukraine's constitutional commitment to NATO integration, which would require significant political reversal or external pressure to abandon
- Status of active peace negotiations between Ukraine and Russia, as ceasefire talks could include NATO membership discussions
- Official statements from Ukrainian President Zelensky or parliament regarding NATO aspirations between now and June 30
- Russia's military position and diplomatic leverage—whether tactical shifts alter Ukraine's willingness to negotiate membership terms
- NATO's formal position on Ukrainian candidacy, including any scheduled expansion votes or policy announcements before the deadline

## Methodology

Probability is **liquidity-weighted** across all bound Kalshi/Polymarket contracts: Σ(price × volume) ÷ Σ(volume). 30-day trajectory uses the daily mean of intraday 5-min captures. 24h delta = today's mean − yesterday's mean. Movement events are ≥3pp daily moves in the last 7 days.

## How to use this data

- HTML: https://simplefunctions.dev/odds/ukraine-agrees-not-to-join-nato-june-30
- JSON: https://simplefunctions.dev/api/public/odds?slug=ukraine-agrees-not-to-join-nato-june-30
- Topic hub: https://simplefunctions.dev/predictions/ukraine

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