Geopolitics Alpha

Polymarket faced $10 million fraud attempt as its CEO pushed growth over compliance concerns: WSJ

Published . Updated .

In a separate attack, hackers compromised nearly 500 users' accounts using stolen personal information, according to the report.

Directly affected

  • No company is named in this report.

Indirectly affected

  • MGK Vanguard Mega Cap Growth ETF

    GA selected MGK as a RELATED security because its canonical security name directly matches this event's themes: growth. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article.

  • SCHG SCHWAB U.S. LARGE-CAP GROWTH ETF

    GA selected SCHG as a RELATED security because its canonical security name directly matches this event's themes: growth. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article.

  • ARWG ARCHER INVT SER TR GROWTH ETF

    GA selected ARWG as a RELATED security because its canonical security name directly matches this event's themes: growth. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article.

  • BAMG BROOKSTONE GROWTH STOCK ETF

    GA selected BAMG as a RELATED security because its canonical security name directly matches this event's themes: growth. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article.

  • BUFG FT VEST BUFFERED ALLOCATION GROWTH ETF

    GA selected BUFG as a RELATED security because its canonical security name directly matches this event's themes: growth. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article.

  • CAFG PACER US SMALL CAP CASH COWS GROWTH LEADERS ETF

    GA selected CAFG as a RELATED security because its canonical security name directly matches this event's themes: growth. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article.

Price reaction, T-5 to T+3

TickerT-5T-3T-1T0T+1T+2T+3
MGK———————
SCHG———————
ARWG———————
BAMG———————
BUFG———————
CAFG———————

In a separate attack, hackers compromised nearly 500 users' accounts using stolen personal information, according to the report.

Source: The Block

Price since this story was published: Vanguard Mega Cap Growth ETF (MGK)

Since the first closing price after “Polymarket faced $10 million fraud attempt as its CEO pushed growth over compliance concerns: WSJ,” Vanguard Mega Cap Growth ETF (MGK) is -2.56%. The S&P 500 fund (SPY) is -0.89% over the same days, a -1.66% difference versus the market.

MGK
SPY

Who gains and who loses around Vanguard Mega Cap Growth ETF (MGK)

Companies carried with this story

  • MGK Vanguard Mega Cap Growth ETF

    For “Polymarket faced $10 million fraud attempt as its CEO pushed growth over compliance concerns: WSJ,” Vanguard Mega Cap Growth ETF (MGK) is linked, with no stored direction, medium confidence. Reason on file: GA selected MGK as a RELATED security because its canonical security name directly matches this event's themes: growth. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article

  • SCHG Schwab U.S. Large-Cap Growth Etf

    For “Polymarket faced $10 million fraud attempt as its CEO pushed growth over compliance concerns: WSJ,” Schwab U.S. Large-Cap Growth Etf (SCHG) is linked, with no stored direction, medium confidence. Reason on file: GA selected SCHG as a RELATED security because its canonical security name directly matches this event's themes: growth. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article

  • ARWG Archer Invt Ser Tr Growth Etf

    Archer Invt Ser Tr Growth Etf (ARWG) is linked, with no stored direction, medium confidence in the 20 Sep 2026 story “Polymarket faced $10 million fraud attempt as its CEO pushed growth over compliance concerns: WSJ.” Reason on file: GA selected ARWG as a RELATED security because its canonical security name directly matches this event's themes: growth. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article

  • BAMG Brookstone Growth Stock Etf

    In “Polymarket faced $10 million fraud attempt as its CEO pushed growth over compliance concerns: WSJ,” Brookstone Growth Stock Etf (BAMG) is linked, with no stored direction, medium confidence. Reason on file: GA selected BAMG as a RELATED security because its canonical security name directly matches this event's themes: growth. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article

  • BUFG Ft Vest Buffered Allocation Growth Etf

    For “Polymarket faced $10 million fraud attempt as its CEO pushed growth over compliance concerns: WSJ,” Ft Vest Buffered Allocation Growth Etf (BUFG) is linked, with no stored direction, medium confidence. Reason on file: GA selected BUFG as a RELATED security because its canonical security name directly matches this event's themes: growth. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article

  • CAFG Pacer Us Small Cap Cash Cows Growth Leaders Etf

    In “Polymarket faced $10 million fraud attempt as its CEO pushed growth over compliance concerns: WSJ,” Pacer Us Small Cap Cash Cows Growth Leaders Etf (CAFG) is linked, with no stored direction, medium confidence. Reason on file: GA selected CAFG as a RELATED security because its canonical security name directly matches this event's themes: growth. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article

Vanguard Mega Cap Growth ETF (MGK)

The 20 Sep 2026 story “Polymarket faced $10 million fraud attempt as its CEO pushed growth over compliance concerns: WSJ” names Vanguard Mega Cap Growth ETF (MGK) because of this story.

For Vanguard Mega Cap Growth ETF (MGK), the reason on file says GA selected MGK as a RELATED security because its canonical security name directly matches this event's themes: growth. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article

Also listed, Schwab U.S. Large-Cap Growth Etf (SCHG): GA selected SCHG as a RELATED security because its canonical security name directly matches this event's themes: growth. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article

Dates and price levels for Vanguard Mega Cap Growth ETF (MGK)

ARWG traded between 25.28 and 26.47 across 14 sessions. The latest close on file is 25.28. MGK traded between 89.59 and 95.52 across 20 sessions. The latest close on file is 90.96. SCHG traded between 35.06 and 37.09 across 20 sessions. The latest close on file is 35.55.

A simple score for Vanguard Mega Cap Growth ETF (MGK)

46 out of 100

“Polymarket faced $10 million fraud attempt as its CEO pushed growth over compliance concerns: WSJ” scores 46 out of 100. The score uses 1 sources, and 6 linked companies.