S&P Dow Jones Indices' reaffirmation of its standard 12-month public trading requirement for new listings remains the dominant factor anchoring the 94.8% market-implied probability against SpaceX joining the S&P 500 in 2026. The company completed its record $75 billion Nasdaq IPO in mid-June at a roughly $1.77 trillion valuation, yet the index committee declined to accelerate eligibility despite the scale, citing rules on profitability under U.S. GAAP and a minimum 10% public float. With only about ten weeks of trading history as of late August, these thresholds cannot be met before mid-2027 even if earnings turn positive and lockup-driven float expands. Traders pricing this outcome recognize the structural barriers while acknowledging that unexpected profitability surges or rule reinterpretations could theoretically alter the timeline beyond 2026.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated5% chance
$20,994 Vol.
$20,994 Vol.
Dec 31, 2026
5% chance
$20,994 Vol.
$20,994 Vol.
Dec 31, 2026
The S&P 500 undergoes quarterly reconstitution on the third Friday of March, June, September, and December.
This market will resolve to "Yes" if S&P Global Inc. announces that SpaceX will be added to the S&P 500 index by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No."
An announcement from S&P will qualify for a "Yes" resolution, regardless of whether the listed company has actually been added to the S&P 500 index by the resolution date.
The primary resolution source will be official announcements from S&P Global Inc. (https://www.spglobal.com/en/press/press-release).S&P Dow Jones Indices' reaffirmation of its standard 12-month public trading requirement for new listings remains the dominant factor anchoring the 94.8% market-implied probability against SpaceX joining the S&P 500 in 2026. The company completed its record $75 billion Nasdaq IPO in mid-June at a roughly $1.77 trillion valuation, yet the index committee declined to accelerate eligibility despite the scale, citing rules on profitability under U.S. GAAP and a minimum 10% public float. With only about ten weeks of trading history as of late August, these thresholds cannot be met before mid-2027 even if earnings turn positive and lockup-driven float expands. Traders pricing this outcome recognize the structural barriers while acknowledging that unexpected profitability surges or rule reinterpretations could theoretically alter the timeline beyond 2026.
The S&P 500 undergoes quarterly reconstitution on the third Friday of March, June, September, and December.
This market will resolve to "Yes" if S&P Global Inc. announces that SpaceX will be added to the S&P 500 index by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No."
An announcement from S&P will qualify for a "Yes" resolution, regardless of whether the listed company has actually been added to the S&P 500 index by the resolution date.
The primary resolution source will be official announcements from S&P Global Inc. (https://www.spglobal.com/en/press/press-release).
This market will resolve to "Yes" if S&P Global Inc. announces that SpaceX will be added to the S&P 500 index by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No."
An announcement from S&P will qualify for a "Yes" resolution, regardless of whether the listed company has actually been added to the S&P 500 index by the resolution date.
The primary resolution source will be official announcements from S&P Global Inc. (https://www.spglobal.com/en/press/press-release).
Market Opened: Jun 9, 2026, 1:42 AM ET
Volume
$20,994End Date
Jan 1, 2027Market Opened
Jun 9, 2026, 1:42 AM ETResolver
0x65070BE91...The S&P 500 undergoes quarterly reconstitution on the third Friday of March, June, September, and December.
This market will resolve to "Yes" if S&P Global Inc. announces that SpaceX will be added to the S&P 500 index by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No."
An announcement from S&P will qualify for a "Yes" resolution, regardless of whether the listed company has actually been added to the S&P 500 index by the resolution date.
The primary resolution source will be official announcements from S&P Global Inc. (https://www.spglobal.com/en/press/press-release).S&P Dow Jones Indices' reaffirmation of its standard 12-month public trading requirement for new listings remains the dominant factor anchoring the 94.8% market-implied probability against SpaceX joining the S&P 500 in 2026. The company completed its record $75 billion Nasdaq IPO in mid-June at a roughly $1.77 trillion valuation, yet the index committee declined to accelerate eligibility despite the scale, citing rules on profitability under U.S. GAAP and a minimum 10% public float. With only about ten weeks of trading history as of late August, these thresholds cannot be met before mid-2027 even if earnings turn positive and lockup-driven float expands. Traders pricing this outcome recognize the structural barriers while acknowledging that unexpected profitability surges or rule reinterpretations could theoretically alter the timeline beyond 2026.
The S&P 500 undergoes quarterly reconstitution on the third Friday of March, June, September, and December.
This market will resolve to "Yes" if S&P Global Inc. announces that SpaceX will be added to the S&P 500 index by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No."
An announcement from S&P will qualify for a "Yes" resolution, regardless of whether the listed company has actually been added to the S&P 500 index by the resolution date.
The primary resolution source will be official announcements from S&P Global Inc. (https://www.spglobal.com/en/press/press-release).
This market will resolve to "Yes" if S&P Global Inc. announces that SpaceX will be added to the S&P 500 index by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No."
An announcement from S&P will qualify for a "Yes" resolution, regardless of whether the listed company has actually been added to the S&P 500 index by the resolution date.
The primary resolution source will be official announcements from S&P Global Inc. (https://www.spglobal.com/en/press/press-release).
Volume
$20,994End Date
Jan 1, 2027Market Opened
Jun 9, 2026, 1:42 AM ETResolver
0x65070BE91...S&P Dow Jones Indices' reaffirmation of its standard 12-month public trading requirement for new listings remains the dominant factor anchoring the 94.8% market-implied probability against SpaceX joining the S&P 500 in 2026. The company completed its record $75 billion Nasdaq IPO in mid-June at a roughly $1.77 trillion valuation, yet the index committee declined to accelerate eligibility despite the scale, citing rules on profitability under U.S. GAAP and a minimum 10% public float. With only about ten weeks of trading history as of late August, these thresholds cannot be met before mid-2027 even if earnings turn positive and lockup-driven float expands. Traders pricing this outcome recognize the structural barriers while acknowledging that unexpected profitability surges or rule reinterpretations could theoretically alter the timeline beyond 2026.
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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