Polymarket has resumed operations in the United States following regulatory clearance from the Commodity Futures Trading Commission. The platform launched a phased rollout for waitlisted users, who can now access sports event contracts, with additional markets planned for future release. The approval follows a $1.4 million settlement in 2022 and the platform's $112 million acquisition of Florida-based derivatives exchange QCX in July 2025.

The U.S. Securities and Exchange Commission issued nine warning letters Tuesday to major ETF providers including Direxion, ProShares, and Tidal Financial, halting proposed funds designed to deliver three to five times daily returns on stocks and cryptocurrencies. The agency cited violations of Rule 18f-4, which limits a fund's value-at-risk exposure to 200% of its reference benchmark. ProShares withdrew several applications within one day of the letters being posted.

Bank of America has authorized more than 15,000 wealth advisers to recommend Bitcoin exchange-traded funds to clients, the bank told Yahoo Finance. Starting January 5, clients at Merrill, Bank of America Private Bank, and Merrill Edge can access four spot Bitcoin ETFs. The bank recommends a 1–4% crypto allocation for suitable investors, marking a significant expansion of regulated digital asset products within traditional banking channels.

YZi Labs, backed by Changpeng Zhao, filed a consent solicitation with the SEC to restructure the board of CEA Industries Inc. (NASDAQ: BNC). The firm holds approximately 5% of BNC shares and cited governance failures, disclosure delays, and a share price decline exceeding 92% since July. BNC holds one of the largest institutional BNB positions globally.

South Korean lawmakers have set a December 10 deadline for regulators to submit a draft stablecoin bill. If the Financial Services Commission fails to deliver, legislators plan to advance independent legislation. The debate centers on whether banks or technology firms should lead issuance of won-pegged stablecoins.

Chicago Mercantile Exchange suspended trading for approximately 10 hours on November 28, 2025, after a cooling system malfunction at a CyrusOne data center in Aurora, Illinois. The outage affected futures markets across equities, rates, commodities, and cryptocurrencies. Full functionality was restored at 1:30 p.m. UTC, though delays persisted in some products.

Uzbekistan will launch a regulatory sandbox on January 1, 2026, allowing stablecoin-based payments and issuance of tokenized stocks and bonds under supervised conditions. The National Agency for Perspective Projects and the central bank will manage the framework to test digital payment systems while maintaining strict oversight. Licensed entities will be authorized to issue tokenized equities and bonds, with stock exchanges preparing dedicated platforms for these digital securities.

The International Monetary Fund has warned that tokenized financial markets may experience heightened volatility as automation accelerates settlement processes. The institution highlighted potential flash-crash scenarios driven by instant execution mechanisms. Early modeling suggests asset-management costs could decline by up to 20%, though speed-driven efficiency may amplify systemic shocks during periods of market stress.

U.S. spot Solana exchange-traded funds recorded $8.1 million in net outflows on November 26, marking the first negative session since launch. The reversal ended a 21-day consecutive inflow period that had positioned Solana among the fastest-growing ETF markets for non-Bitcoin digital assets, according to SoSoValue data.