Odaily: Arbitrum posted on X platform that Arbitrum has launched a new perpetual market, Internet Meltdown, where users can trade internet security risks via @perpdotcity.

Odaily reports: Derivatives platform SkyArrow has announced its upcoming launch, with AnubisChain becoming its first supported network and settlement layer. Users can directly use the on-chain stablecoin DAI as margin to participate in perpetual contracts such as BTC and ETH, with up to 50x leverage. The platform adopts a hybrid matching model combining an order book and AMM, and uses a unified omnichain margin account to aggregate collateral across multiple chains, eliminating the need for cross-chain transfers. After launch, trading incentives and market-making rebates will be launched simultaneously.

Odaily: Polymarket Perps has launched pre-market perpetual contracts for Anthropic (ANT), supporting up to 10x leverage.

Odaily — Polymarket Perps launched ANTHROPIC-USD on October 29, 2026, at 16:00 (UTC), a pre-IPO perpetual contract tracking Anthropic's valuation, offering up to 10x leverage, 24/7 trading, and settlement in pUSD. The contract uses Hyperliquid's io:ANT market as its reference price and plans to convert to a standard perpetual contract after Anthropic completes its IPO.

According to an official announcement, OKX will list DOODUSD-margined X-Perp on its website, App, and API. Trading will open at 16:00 (UTC+8) on October 21, 2026.

According to an official announcement, OKX will officially list the USD-margined X-Perp on its website, App, and API on October 21, 2026, at 16:30 (UTC+8).

Odaily reports that Ondo Perps has now listed the OpenAI Private Market Note, with the ticker OPAIPon. The note provides tokenized economic exposure linked to OpenAI and is now open for 7×24 trading on Ondo Perps' permissionless spot order book, with the trading pair OPAIPon/USDC. OPAIPon is part of Ondo Private Markets, which offers qualified investors tokenized economic exposure to leading private companies, allowing users to participate in trading without waiting for the company to go public and to self-custody the tokens in their personal wallets.

Odaily News: According to on-chain analyst Ember, Perp @papertrade_xyz on Hyperliquid, since launching loss-mining on the 10th, in less than 6 days, the trading volume of the top three addresses has each exceeded $10 billion.The first-ranked address had a trading volume of $11.6 billion, trading losses of $780,000, and obtained 46 million PAPER through loss-mining, with a token acquisition cost of $0.017; the second-ranked address had a trading volume of $10.3 billion, trading losses of $930,000, and obtained 85 million PAPER through loss-mining, with a token acquisition cost of $0.011; the third-ranked address had a trading volume of $10.1 billion, trading losses of $980,000, and obtained 252 million PAPER through loss-mining, with a token acquisition cost of $0.0039.The above token acquisition costs do not include dividends from PAPER earned through mining. If relevant dividends are included, the token acquisition costs will decrease further, and the third-ranked address's token acquisition cost will turn negative.

Odaily News: Nasdaq-listed fintech company Perpetuals.com plans to offer tokenized U.S. stock trading services under the innovation exemption mechanism introduced by the U.S. Securities and Exchange Commission (SEC). The plan predates a related proposal from the joint venture between OKX and Intercontinental Exchange (ICE).Perpetuals.com CEO Patrick Gruhn previously co-founded Digital Assets AG, a company that developed stock-linked tokens for cryptocurrency exchanges including Binance and FTX, and was later acquired by FTX Group.Trading could potentially launch as early as mid-November, but the company still needs to complete technical and compliance preparations. (CoinDesk)

Odaily reports that PERPTools has announced it has raised a cumulative $8 million through two rounds of token financing, including a $3 million pre-seed round and a $5 million seed round, with participation from BigBrain Holdings, NEAR, Animoca Brands, Sfermion, and Shima Capital, among others. The project is an AI perpetual contract trading platform built by DEXTools developers and plans to conduct a token generation event in Q4 2026.