Tag Archives: insider trading

It aggregates content related to insider trading, market manipulation, prediction markets, securities regulation, and crypto market enforcement risks.

The US CFTC investigation into White House teleprompter operator Kalshi: Prediction Market Insider Trading and Compliance Governance Analysis
The US CFTC investigation into White House teleprompter operator Kalshi: Prediction Market Insider Trading and Compliance Governance Analysis

The U.S. CFTC is investigating White House teleprompter operator Gabriel Perez for allegedly using non-public information to place keyword bets on the Kalshi prediction market, profiting over $10. Kalshi proactively reported the unusual transactions and froze $9 in profits. Perez has entered into civil settlement negotiations. This article analyzes DCM.

17
June
The Japanese parliament passed a bill to reclassify crypto assets: upgrading them from payment instruments to financial products, reducing the tax rate to 20%.
The Japanese parliament passed a bill to reclassify crypto assets: upgrading them from payment instruments to financial products, reducing the tax rate to 20%.

The Japanese parliament passed amendments to the Financial Instruments and Exchange Act, reclassifying crypto assets from payment instruments to financial products. The income tax rate was reduced from a maximum of 55% to a flat 20%, the maximum penalty for unlicensed operation was increased from 3 to 10 years, and insider trading rules were introduced for the first time. Legal obstacles to spot Bitcoin ETFs were removed, and the FSA will begin developing a regulatory framework. The new regulations will take effect in 2027, and the tax reform will be implemented in 2028.

15
June
Japan incorporates cryptocurrencies into the Financial Instruments and Exchange Act: a regulatory upgrade from payment instrument to financial product, along with a 20% tax separation reform.
Japan incorporates cryptocurrencies into the Financial Instruments and Exchange Act: a regulatory upgrade from payment instrument to financial product, along with a 20% tax separation reform.

On June 10, 2026, the Finance and Financial Affairs Committee of the Japanese House of Representatives passed an amendment to the FIEA (Financial Instruments and Exchange Act), transferring the regulation of crypto assets from the Payment Services Act to the Financial Instruments and Exchange Act, placing them under the same regulatory level as stocks and bonds. The accompanying tax reforms will reduce the income tax rate on crypto transactions from a maximum of 55% to 20%, implementing separate taxation, and introduce insider trading regulations, net capital ratio requirements, liability reserve systems, and statutory information disclosure obligations. The amendments also reserve institutional space for the establishment of crypto ETFs and are expected to be fully implemented in 2027.

11
June
US prediction market platform Kalshi launches employer disclosure mechanism: CFTC-regulated compliance upgrade for insider trading in event contracts.
US prediction market platform Kalshi launches employer disclosure mechanism: CFTC-regulated compliance upgrade for insider trading in event contracts.

In June 2026, Kalshi, a CFTC-regulated prediction market platform, launched three insider trading prevention measures: employer disclosure, market risk scoring, and whistleblower services. This move comes at a time when prediction markets are facing dual pressure from congressional scrutiny and CFTC enforcement advice, with the Polymarket Google employee insider trading case serving as a catalyst for the industry. Kalshi has already referred over 20 suspicious trading leads in Q1, and its new screening tools have prevented over 100 potential insider trading incidents during the same period.

10
June
Hong Kong SFO Insider Trading Criminal Prosecution: Film Producer Raymond Wong Sentenced to 5 Months in Prison; SFO Enforcement Signal No. 291 and Compliance Warnings for Listed Companies
Hong Kong SFO Insider Trading Criminal Prosecution: Film Producer Raymond Wong Sentenced to 5 Months in Prison; SFO Enforcement Signal No. 291 and Compliance Warnings for Listed Companies

香港西九龙裁判法院判处知名电影制片人黄百鸣监禁5个月，罚款99,720港元及Payment调查费374,305港元。黄百鸣在担任天马影视主席期间利用出售控股权内幕信息怂恿胞妹买入逾900万股，违反SFO第291条。该案是SFC近年来针对控股股东内幕交易刑事检控的标志性案例。

09
June
The U.S. Department of Justice and the CFTC are jointly investigating former Congressman Santos for insider trading in market predictions: Kalshi voluntarily froze his accounts and handed them over to law enforcement.
The U.S. Department of Justice and the CFTC are jointly investigating former Congressman Santos for insider trading in market predictions: Kalshi voluntarily froze his accounts and handed them over to law enforcement.

The U.S. Department of Justice (DOJ) and the Commodity Futures Trading Commission (CFTC) are jointly investigating former Congressman George Santos for alleged insider trading on the Kalshi prediction market platform. Santos publicly claimed to have attended Trump's State of the Union address while privately betting against him and profiting tens of thousands of dollars. Kalshi voluntarily froze his accounts and handed him over to regulators. This case marks the third insider trading enforcement action by federal agencies against prediction markets in the past two months.

04
June
The U.S. House Oversight Committee launches investigation into Kalshi and Polymarket insider trading: Market regulation is escalating to the congressional level.
The U.S. House Oversight Committee launches investigation into Kalshi and Polymarket insider trading: Market regulation is escalating to the congressional level.

House Oversight Committee Chairman Comer announced an investigation into insider trading risks at Kalshi and Polymarket, demanding the submission of documents in three categories—identity verification, geofencing, and anomaly monitoring—by June 5. This marks the first time Congress has directly intervened in the regulation of prediction markets. Coupled with India's ban and South Korea's scrutiny, this has brought global compliance risks to a head.

22
June
The CFTC and NHL have signed an agreement to collaborate on overseeing the professional hockey prediction market.
The CFTC and NHL have signed an agreement to collaborate on overseeing the professional hockey prediction market.

The CFTC and NHL signed a memorandum of understanding to establish a regulatory cooperation framework for the professional hockey prediction market, which covers information sharing and integrity protection mechanisms and provides valuable insights for due diligence in prediction market license applications.

22
June
Jane Street is accused of profiting $1.34 million from the Terra crash using insider information from Telegram—a compliance lesson for licensed institutions.
Jane Street is accused of profiting $1.34 million from the Terra crash using insider information from Telegram—a compliance lesson for licensed institutions.

Key Summary: Jane Street Group, a top Wall Street trading firm, was sued by the bankruptcy administrators of Terraform Labs.

21
June
The US DOJ and CFTC join forces to crack down on insider trading in prediction markets: A comprehensive overview of compliance responses from Kalshi and Polymarket.
The US DOJ and CFTC join forces to crack down on insider trading in prediction markets: A comprehensive overview of compliance responses from Kalshi and Polymarket.

According to a Wall Street Journal report on May 16, 2026, the U.S. Department of Justice (DOJ) and the Commodity Futures Trading Commission (CFTC) have joined forces...

20
June
CFTC and DOJ Join Forces to Crack Down on Insider Trading in Prediction Markets: A Deep Dive into the Regulatory Storm of 2026
CFTC and DOJ Join Forces to Crack Down on Insider Trading in Prediction Markets: A Deep Dive into the Regulatory Storm of 2026

Key Summary: The U.S. Department of Justice (DOJ) Manhattan U.S. Attorney's Office launched a criminal investigation in March 2026 into suspicious betting in prediction markets.

19
June

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