insider trading
Coverage of insider trading in the Nexus archive.
- Is Trump's new 'Truth API' insider trading? | About That
Trump's Truth API service offers early access to his posts on Truth Social, which may influence stock market reactions. The article explores whether this service could constitute insider trading.
- Trump faces ethics storm for ‘pimping’ fast access to his Truth Social posts
US President Donald Trump's company began selling sneak peeks of his social media posts to Wall Street traders, raising concerns about insider trading and using public office for private gain. Similar fast-speed feeds are sold by other social media firms.
- Trump stands to profit off US policy announcements by selling fast access to his social media posts
President Donald Trump's Truth Social platform is selling early access to his social media posts, which often influence markets, to Wall Street traders. The service raises concerns about insider trading and using public office for private gain, as Trump's posts frequently impact global markets and policy decisions.
- Trump stands to profit off US policy announcements by selling fast access to his social media posts
President Donald Trump's Truth Social platform is selling early access to his social media posts to Wall Street traders, raising concerns about insider trading and using public office for private gain. The service, called Truth API, allows high-frequency traders to exploit market-moving information before it becomes public.
- Trump stands to profit off US policy announcements by selling fast access to his social media posts
President Donald Trump's Truth Social platform is offering paid early access to his social media posts, which often influence markets through policy-related announcements. Critics argue this raises concerns about insider trading and using public office for profit, while Trump's company defends it as a free market service.
- George Santos Fined Over Bets on State of the Union on Kalshi Prediction Market
George Santos was fined over allegations he engaged in insider trading by betting on his attendance at the State of the Union address. The bets were placed on the Kalshi Prediction Market in February.
- China’s corporate crackdown: insider trading fines and bans intensify
Chinese regulators are intensifying a crackdown on corporate insiders, imposing severe fines, criminal sentences, and market bans. This effort aims to restore confidence in China's stock markets, with 21 executives from 20 listed companies investigated in the first half of 2026 according to a South China Morning Post analysis.
- Prediction market wagering on drug approvals draws fire from researchers
Betting platforms Kalshi and Polymarket are allowing users to wager on FDA drug approvals and clinical trial outcomes, sparking criticism from researchers, doctors, and patients over risks to scientific integrity and public trust. Critics argue prediction markets could influence trial behavior and enable insider trading, while Kalshi claims they offer valuable insights and have safeguards against insider participation.
- DAVID MARCUS: Brave new world of prediction markets can make us all inside traders
The article discusses the rise of prediction markets, exemplified by platforms like Kalshi and Polymarket, enabling bets on diverse events from reality TV outcomes to political races. It highlights ethical and legal concerns about insider trading, citing examples of individuals using non-public information to profit, such as a soldier betting on military actions and a teleprompter operator exploiting foreknowledge of presidential speeches.
- Volkswagen engineers charged with insider trading tied to Rivian joint venture
Volkswagen engineers are charged with insider trading related to a joint venture with Rivian. The indictment alleges they used confidential information to purchase Rivian stock.
- Arthur Hayes, BitMEX co-founders face fraud claims over alleged ‘Insider Trading Desk’ as exchange winds down
Arthur Hayes, BitMEX co-founders Samuel Reed and Benjamin Delo are facing a proposed class action alleging insider trading and deliberate server freezes. The lawsuit accuses them of fraud through an alleged 'Insider Trading Desk' as BitMEX winds down operations.
- BitMEX faces proposed class-action suit for theft, insider trading as crypto exchange shuts down
BitMEX faces a proposed class-action lawsuit for theft and insider trading as the crypto exchange shuts down. The legal action alleges criminal misconduct by the exchange.
- The battle for Congress gets a Wall Street-style scoreboard powered by real-money bets
Kalshi launched a Midterms Hub offering real-time election forecasts through prediction markets, integrating live odds, polling data, fundraising reports, and news. The platform aims to provide a dynamic view of congressional races, with users primarily using it for monitoring rather than trading. Kalshi plans to expand the tool beyond the 2026 midterm elections.
- Trump’s teleprompter operator under investigation for insider trading, sources say
Federal regulators are investigating Trump's longtime teleprompter operator, Gabriel Perez, for potential insider trading on prediction markets. Perez made flagged trades on Kalshi, earning over $90,000 in profits now frozen, and is on unpaid leave while cooperating with the CFTC. Trump called the situation 'deeply unfortunate and frankly a disgrace.'
- Wall Street banks tighten prediction market rules for staff as insider fears spread
Wall Street banks, including Goldman Sachs and Morgan Stanley, are restricting employee prediction market trades on platforms like Polymarket and Kalshi due to rising concerns over insider trading.
- Prediction markets spark insider trading concerns. Here's how Goldman and other companies are responding
CNBC surveyed 50 companies about their employee trading policies on prediction markets, but only a few provided responses. The article highlights concerns about insider trading related to prediction markets and how companies like Goldman are addressing the issue.
- Insider Trading Cases End as DOJ Dud With Few Prison Sentences
The article discusses insider trading cases ending with few prison sentences by the DOJ, highlighting concerns about market valuations and President Donald Trump's tariff policy easing. The S&P 500 Index declined as these factors offset optimism around the upcoming CES conference.
- There's one big reason insider trading is harder to catch in stocks than prediction markets: Kalshi CEO
Kalshi CEO Tarek Mansour claims insider trading is easier to detect in prediction markets compared to the stock market due to the direct link between information and trades. He cited former Rep. George Santos's alleged insider trading on Kalshi as an example, noting the platform is implementing stricter measures to combat such activity. Lawmakers, including Minnesota Gov. Tim Walz, have criticized prediction markets and proposed bans or restrictions.
- 6/28/2026: Betting on War; The Looting of Cambodia
The article discusses the high win rate of bets on military operations as a potential indicator of insider trading and reports on Cambodia's efforts to track down looted antiquities.
- 6/28/2026: Betting on War; The Looting of Cambodia
The article highlights a high win rate of bets on military operations, potentially indicating insider trading, and reports on Cambodia's efforts to track down looted antiquities.
- High win rate of bets on military operations a likely sign of insider trading
Prediction market users are profiting from bets on war. Analysts suggest suspiciously timed bets and high win rates on military outcomes indicate possible insider trading.
- Suspicious trades make millions with bets tied to U.S. military operations
Prediction market users are profiting from bets on U.S. military operations. Analysts suggest suspiciously timed wagers and high win rates indicate insider trading.
- House panel advances bill banning lawmakers from political betting markets
House Republicans advanced a bill to prohibit lawmakers and their families from trading on Washington-focused prediction markets. Democrats criticized the bill for loopholes, while Republicans defended it as a step to restore trust in Congress by curbing insider trading risks.
- House Republican Introduces Insider Trading Bill to Ban Lawmaker Prediction Market Bets
A House Republican introduced a bill to prohibit lawmakers and their family members from making policy-related prediction market bets. The legislation aims to prevent potential insider trading by restricting such financial activities.
- Republican lawmaker proposes prediction markets insider trading ban, not including White House officials
A Republican lawmaker proposed a bill to ban insider trading in prediction markets. The bill does not prohibit members of the US Congress from using these platforms or placing sports bets but targets policy-related wagers. White House officials are excluded from the proposed restrictions.
- US Senate Dems press federal agency to increase oversight of prediction markets
U.S. Senate Democrats are urging the Commodity Futures Trading Commission to increase oversight of prediction markets like Kalshi and Polymarket, citing concerns over insider trading and consumer harms. The senators, led by Amy Klobuchar, called for stricter regulations and clearer contract terms to address risks as these markets grow in popularity.
- US Senate Dems press federal agency to increase oversight of prediction markets
A group of 16 U.S. Senate Democrats, led by Amy Klobuchar, is urging the Commodity Futures Trading Commission to tighten regulation of prediction markets like Kalshi and Polymarket. They cited concerns over insider trading, consumer harms, and ambiguous contract language as these markets grow in popularity among retail participants.
- US Senate Dems press federal agency to increase oversight of prediction markets
A group of 16 U.S. Senate Democrats is urging the Commodity Futures Trading Commission to tighten regulation of prediction markets like Polymarket and Kalshi, citing concerns over insider trading and consumer harms. The senators requested guidance to prevent market manipulation and called for reviews of policies to ensure adequate resources for preventing abuse.
- Kalshi adds required employment verification for some prediction market bets
Kalshi has added required employment verification for some prediction market bets. The CFTC is considering its first regulation for prediction markets, focusing on contracts involving activities like terrorism, war, or unlawful conduct. Recent arrests over 'insider trading' on topics ranging from military operations to Google Search data have increased regulatory scrutiny.
- Kalshi planning to require some participants to identify employers
Kalshi plans to require users in certain markets to share employer information to combat insider trading. The prediction market introduced a system to score markets based on insider trading and manipulation risks, with higher-risk markets requiring employment verification.
- Kalshi Rolls Out New Safeguards After Insider Trading Concerns Hit Prediction Markets
Kalshi has introduced new safeguards requiring traders to disclose their employers when participating in high-risk markets linked to insider trading or manipulation. The measures aim to address concerns about insider trading and market manipulation in prediction markets.
- Prediction platform Kalshi to collect job details to combat insider trading
Prediction platform Kalshi will collect employment information for markets at heightened risk of manipulation to combat insider trading.
- 'Maximal' ban on insider trading would hurt prediction markets, says researcher
A researcher argues that a maximal ban on insider trading could negatively impact prediction markets. Balbinder Singh Gill explains that while insider trades may improve current price accuracy, they could reduce future market participation.
- Kalshi requires traders to disclose employers to curb insider trading in sensitive markets
Kalshi, a prediction markets platform, requires traders to disclose their employers to prevent insider trading in sensitive markets. The company also implemented a risk-scoring system and whistleblower tools to maintain market integrity.
- Kalshi now requiring users to disclose employers for some bets after string of insider trading scandals
Kalshi, a platform allowing bets on various topics, plans to require some users to disclose their employers following insider trading scandals. An advisory committee has recommended stricter security measures to prevent market manipulation and insider trading.
- Kalshi to make some users reveal job details to tackle insider trading
Kalshi, a prediction betting platform, is implementing new rules requiring certain users to disclose job details to address insider trading issues. The platform is taking steps to combat insider trading by adding these requirements.
- Kalshi rolls out whistleblower services, employment verification to curb insider trading
Kalshi has introduced whistleblower services and employment verification to prevent insider trading. Traders must now disclose their employer's identity when participating in sensitive markets, as first reported by the Wall Street Journal.
- Kalshi will require employment info for some bets as an insider trading precaution
Kalshi will require employment information for certain bets as a precaution against insider trading. The new rules may create a minor obstacle for individuals attempting to cheat.
- Kalshi to collect employment info from customers trading in some high-risk markets
Kalshi, a prediction market platform, will begin collecting customer employment information for trading in specific high-risk markets. The company stated this measure targets markets with heightened risks of insider trading.
- Kalshi looks to tackle insider trading by asking some users for their employer info
Kalshi is addressing insider trading concerns by requesting employer information from some users. The move comes as prediction markets face increased scrutiny over insider trading and market manipulation.