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Approximately $200 million in trades on Polymarket in the first half of the year were flagged as potential insider trading

According to Bloomberg, as prediction markets like Polymarket and Kalshi expand, the issue of betting using non-public information or informational advantages is receiving more scrutiny. Bloomberg Businessweek analyzed approximately 34,000 potential insider trading cases flagged by Polysights between August 2025 and June 2026; these related trades exhibited characteristics such as newly created accounts, low probability entries, large bets, or high trading concentration, but it cannot be determined that traders violated rules based on this.Data shows that from January 1 to June 30 of this year, the amount of suspicious trades flagged on Polymarket was approximately $200 million, with geopolitical and war-related markets driving a significant increase in abnormal trading volume. The profits from potential insider trading are highly concentrated, with the top 1% of accounts in profit wallets earning more than half of the gains, and 57% of related wallets created less than 24 hours before the trades. Some traders are reducing the likelihood of being discovered by using multiple associated wallets and splitting orders. For example, 38 associated addresses placed bets in 90 geopolitical markets related to Iran and Venezuela, achieving a win rate of 98%, with total profits of $1.6 million, and withdrew funds using the same Coinbase deposit address.Polymarket stated that it will monitor insider trading and other illegal activities, and has so far referred nearly 100 wallets to law enforcement agencies. Kalshi has also strengthened identity and employment information checks, and restricted participation in related markets by political candidates, athletes, and others who may influence outcomes.

Grayscale: The Bitcoin covered call option strategy has an annualized return of about 22% in a sideways market

Grayscale's research director Zach Pandl stated that if the price of Bitcoin has formed a solid bottom but is consolidating before recovery, a covered call strategy can generate income through Bitcoin volatility while managing spot price exposure. Grayscale assumes a Bitcoin spot price of $65,000 and an implied volatility of 40%, projected until the end of 2026. Under this assumption, the covered call strategy has an annualized return of about 22%, remaining profitable above a breakeven price of approximately $58,500, and outperforming holding spot Bitcoin alone when Bitcoin reaches about $72,500 at expiration.Pandl pointed out that option premiums provide income and downside protection, at the cost of giving up some upside potential when Bitcoin rises significantly. If the Bitcoin spot price falls below the breakeven price, the strategy will still incur losses, but the extent of the loss will be less than directly going long on spot Bitcoin, with the difference equivalent to the call option premium. Grayscale's Grayscale Bitcoin Covered Call ETF, with the ticker BTCC, aims to maximize income generation potential through writing covered calls. The fund does not directly invest in digital assets or initial coin offerings but gains indirect exposure to digital assets through derivatives related to exchange-traded products that hold digital assets.

The dark side of the moon plans to release the Kimi K3 large model soon, with a parameter scale reaching 2 to 3 trillion, closely following the leading teams in the United States

According to the Financial Times, informed sources reveal that the Chinese AI unicorn company Moonshot AI plans to release a new large language model, Kimi K3, in the near future. This model has between 20 trillion to 30 trillion parameters, making it the largest AI model in China by parameter scale, and its performance is expected to surpass the flagship model Claude Opus 4.8 from Anthropic in mainstream benchmark tests (industry speculation suggests its parameter count is around 15 trillion to 20 trillion).Unlike the currently mainstream closed-source and expensive cutting-edge large models in the United States, Kimi K3 will be available as an open-weight model for users to download and modify for free, which may create competitive pressure for leading American labs like OpenAI and Anthropic. Currently, due to the rising service fees for large models in the U.S. (for example, Anthropic has announced a 50% price increase for Opus 4.8 in September), some overseas companies have begun to shift towards using more cost-effective Chinese open-source models.In terms of the capital market, informed sources indicate that Moonshot AI is preparing for a new round of financing, with the latest valuation expected to reach approximately $31.5 billion. Meanwhile, the valuations of other AI giants in China and the U.S. are also rising; DeepSeek is starting a new round of financing with an estimated valuation of about $71 billion, while Anthropic and OpenAI have reached valuations of $965 billion and $852 billion, respectively, in their latest round of financing. In response to the aforementioned release and financing rumors, Moonshot AI has currently declined to comment.

Data: Leverage rather than spot demand drives Bitcoin, value and momentum buyers are still on the sidelines

According to a research report by NYDIG, Bitcoin fell by 13.4% in the second quarter of 2026, with the year-to-date decline expanding to 32.9%. In contrast, the Nasdaq 100 index rose by 27.7%, and tech stocks increased by 43.5%, indicating that this round of decline is not due to macro risk aversion, but rather specific supply pressures unique to Bitcoin.The core pressure comes from Strategy (MSTR) launching the "Digital Credit Capital Framework," authorizing the sale of approximately $1.25 billion in Bitcoin to cover capital structure obligations, marking a shift of the largest historical marginal buyer from continuous accumulation to active monetization, with the DAT complex overall transitioning from a demand engine to a supply risk. In terms of ETFs, the U.S. spot Bitcoin ETF saw a net outflow of $4.9 billion in the second quarter, but Morgan Stanley's Bitcoin Trust attracted $364.8 million in inflows against the trend, showing that distribution channels remain competitive.In the derivatives market, amid weak spot demand and continued outflows from ETFs and stablecoins, the positive funding rate combined with a rebound in open interest indicates that leveraged long positions are rebuilding, posing a risk of passive liquidation triggering a new round of declines. Bitcoin has currently fallen 54.3% from its historical high of $126,000 set on October 6, 2025, referencing the cycles of 2018 and 2022 (with a gradually narrowing decline of about 70%).

first_img Cap team responds to Stabledrop controversy, admits early commitment errors and clarifies insider rumors

In response to the recent market controversy regarding the reduction of Stabledrop shares, Cap founder Benjamin issued a statement of apology and provided a detailed response. He stated that the team prematurely committed to an airdrop scale of 11 million before the funding was fully secured, but subsequent changes in the market environment led to a fundraising amount that fell short of expectations, resulting in the actual airdrop pool shrinking to 4.2 million.To avoid substantial principal losses for early YT (Yield Token) holders, the team temporarily adjusted the originally planned linear distribution scheme to a "capital protection but no profit" restructuring model, ensuring that no one incurs losses. This rule applies equally to all wallets. Meanwhile, in response to community concerns about a related whale address allegedly engaging in "internal score manipulation," Benjamin clarified that the wallet belongs to a former colleague and is not operated by the team, and that project treasury funds have not been utilized. Additionally, he emphasized that the Cap protocol is still operating healthily, and the decline in TVL that occurred over the weekend was mainly due to the surge in USDM lending rates on Aave for MegaETH, causing arbitrageurs to exit, which is unrelated to this airdrop incident. All redemptions have been processed smoothly.
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