**Trader consensus on a US ally acquiring nuclear weapons before 2027 remains heavily weighted toward “No” at 94.3%, reflecting the absence of any active breakout programs among treaty-bound allies.** Extended deterrence commitments, reinforced through bilateral consultations and joint planning with Washington, continue to address security concerns in East Asia without prompting independent arsenals. South Korean leaders, including the current administration, have publicly dismissed domestic calls for indigenous weapons as incompatible with alliance obligations and international nonproliferation norms. Japan maintains its long-standing policy against nuclear armament despite regional tensions. While New START’s February 2026 expiration has heightened strategic uncertainty, no ally has initiated the fissile-material production, testing, or political decisions required for rapid acquisition within the narrow remaining window. Technical lead times, NPT constraints, and US diplomatic pressure further limit near-term proliferation risks.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated6% chance
$207,298 Vol.
$207,298 Vol.
Dec 31, 2026
6% chance
$207,298 Vol.
$207,298 Vol.
Dec 31, 2026
This market will resolve to "Yes" if credible reports from international nuclear agencies, a claimant government, or a consensus of credible global news sources officially confirm that a US ally which did not possess nuclear weapons as of November 12, 2025, possesses a nuclear weapon by December 31, 2026, 11:59 PM ET.
If a US ally participates in a nuclear sharing agreement that does not include independent control over nuclear weapons, this will not qualify for "Yes" resolution. Only full control over an operational nuclear weapon will count. Any admission from Israel of the possession of a nuclear weapon will not qualify for a "Yes" resolution.
For the purposes of this market, a "US ally" is defined as a country that is a member of NATO or a Major Non-NATO Ally (https://www.state.gov/major-non-nato-ally-status/) as of November 12, 2025. Otherwise, this market will resolve to "No".
**Trader consensus on a US ally acquiring nuclear weapons before 2027 remains heavily weighted toward “No” at 94.3%, reflecting the absence of any active breakout programs among treaty-bound allies.** Extended deterrence commitments, reinforced through bilateral consultations and joint planning with Washington, continue to address security concerns in East Asia without prompting independent arsenals. South Korean leaders, including the current administration, have publicly dismissed domestic calls for indigenous weapons as incompatible with alliance obligations and international nonproliferation norms. Japan maintains its long-standing policy against nuclear armament despite regional tensions. While New START’s February 2026 expiration has heightened strategic uncertainty, no ally has initiated the fissile-material production, testing, or political decisions required for rapid acquisition within the narrow remaining window. Technical lead times, NPT constraints, and US diplomatic pressure further limit near-term proliferation risks.
This market will resolve to "Yes" if credible reports from international nuclear agencies, a claimant government, or a consensus of credible global news sources officially confirm that a US ally which did not possess nuclear weapons as of November 12, 2025, possesses a nuclear weapon by December 31, 2026, 11:59 PM ET.
If a US ally participates in a nuclear sharing agreement that does not include independent control over nuclear weapons, this will not qualify for "Yes" resolution. Only full control over an operational nuclear weapon will count. Any admission from Israel of the possession of a nuclear weapon will not qualify for a "Yes" resolution.
For the purposes of this market, a "US ally" is defined as a country that is a member of NATO or a Major Non-NATO Ally (https://www.state.gov/major-non-nato-ally-status/) as of November 12, 2025. Otherwise, this market will resolve to "No".
If a US ally participates in a nuclear sharing agreement that does not include independent control over nuclear weapons, this will not qualify for "Yes" resolution. Only full control over an operational nuclear weapon will count. Any admission from Israel of the possession of a nuclear weapon will not qualify for a "Yes" resolution.
For the purposes of this market, a "US ally" is defined as a country that is a member of NATO or a Major Non-NATO Ally (https://www.state.gov/major-non-nato-ally-status/) as of November 12, 2025. Otherwise, this market will resolve to "No".
Market Opened: Nov 13, 2025, 5:54 PM ET
Volume
$207,298End Date
Dec 31, 2026Market Opened
Nov 13, 2025, 5:54 PM ETResolver
0x65070BE91...This market will resolve to "Yes" if credible reports from international nuclear agencies, a claimant government, or a consensus of credible global news sources officially confirm that a US ally which did not possess nuclear weapons as of November 12, 2025, possesses a nuclear weapon by December 31, 2026, 11:59 PM ET.
If a US ally participates in a nuclear sharing agreement that does not include independent control over nuclear weapons, this will not qualify for "Yes" resolution. Only full control over an operational nuclear weapon will count. Any admission from Israel of the possession of a nuclear weapon will not qualify for a "Yes" resolution.
For the purposes of this market, a "US ally" is defined as a country that is a member of NATO or a Major Non-NATO Ally (https://www.state.gov/major-non-nato-ally-status/) as of November 12, 2025. Otherwise, this market will resolve to "No".
**Trader consensus on a US ally acquiring nuclear weapons before 2027 remains heavily weighted toward “No” at 94.3%, reflecting the absence of any active breakout programs among treaty-bound allies.** Extended deterrence commitments, reinforced through bilateral consultations and joint planning with Washington, continue to address security concerns in East Asia without prompting independent arsenals. South Korean leaders, including the current administration, have publicly dismissed domestic calls for indigenous weapons as incompatible with alliance obligations and international nonproliferation norms. Japan maintains its long-standing policy against nuclear armament despite regional tensions. While New START’s February 2026 expiration has heightened strategic uncertainty, no ally has initiated the fissile-material production, testing, or political decisions required for rapid acquisition within the narrow remaining window. Technical lead times, NPT constraints, and US diplomatic pressure further limit near-term proliferation risks.
This market will resolve to "Yes" if credible reports from international nuclear agencies, a claimant government, or a consensus of credible global news sources officially confirm that a US ally which did not possess nuclear weapons as of November 12, 2025, possesses a nuclear weapon by December 31, 2026, 11:59 PM ET.
If a US ally participates in a nuclear sharing agreement that does not include independent control over nuclear weapons, this will not qualify for "Yes" resolution. Only full control over an operational nuclear weapon will count. Any admission from Israel of the possession of a nuclear weapon will not qualify for a "Yes" resolution.
For the purposes of this market, a "US ally" is defined as a country that is a member of NATO or a Major Non-NATO Ally (https://www.state.gov/major-non-nato-ally-status/) as of November 12, 2025. Otherwise, this market will resolve to "No".
If a US ally participates in a nuclear sharing agreement that does not include independent control over nuclear weapons, this will not qualify for "Yes" resolution. Only full control over an operational nuclear weapon will count. Any admission from Israel of the possession of a nuclear weapon will not qualify for a "Yes" resolution.
For the purposes of this market, a "US ally" is defined as a country that is a member of NATO or a Major Non-NATO Ally (https://www.state.gov/major-non-nato-ally-status/) as of November 12, 2025. Otherwise, this market will resolve to "No".
Volume
$207,298End Date
Dec 31, 2026Market Opened
Nov 13, 2025, 5:54 PM ETResolver
0x65070BE91...**Trader consensus on a US ally acquiring nuclear weapons before 2027 remains heavily weighted toward “No” at 94.3%, reflecting the absence of any active breakout programs among treaty-bound allies.** Extended deterrence commitments, reinforced through bilateral consultations and joint planning with Washington, continue to address security concerns in East Asia without prompting independent arsenals. South Korean leaders, including the current administration, have publicly dismissed domestic calls for indigenous weapons as incompatible with alliance obligations and international nonproliferation norms. Japan maintains its long-standing policy against nuclear armament despite regional tensions. While New START’s February 2026 expiration has heightened strategic uncertainty, no ally has initiated the fissile-material production, testing, or political decisions required for rapid acquisition within the narrow remaining window. Technical lead times, NPT constraints, and US diplomatic pressure further limit near-term proliferation risks.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
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