[Nasdaq ISE Proposes Raising IBIT Options Position Limit to 1 Million Contracts] Bloomberg Senior ETF Analyst Eric Balchunas stated that Nasdaq ISE has proposed raising the position limit for BlackRock's Bitcoin Spot ETF IBIT options from 250,000 contracts to 1 million contracts. Previously, this limit was increased from 25,000 contracts to 250,000 contracts in July 2025.

The price of Bitcoin fell to about $87000, a seven month low, and the inflow into the exchange increased accordingly. On November 21st, large deposits (over 100 BTC) accounted for 45% of the total inflow, reaching 7000 BTC. Large holders are transferring more Bitcoin into the exchange, strengthening the current downward trend. （CryptoQuant）

Recent analysis shows that the net flow of USDT into the exchange is strongly negatively correlated with the mid-term performance of BTC. During the high market stage, the daily net outflow of USDT was about $100 million to $200 million, and when BTC reached its peak price of $126000, the average net outflow over 30 days exceeded $220 million. At present, the trend of net outflow has eased, and the flow of funds has returned to positive. （glassnode）

[Avail Launches Nexus Mainnet, Supporting Multi-Chain Liquidity Execution] Modular blockchain platform Avail has announced the official launch of its cross-chain execution layer, Nexus Mainnet, supporting multiple blockchain ecosystems such as Ethereum, BNB Chain, and Base. Nexus adopts an intent-driven architecture and multi-source liquidity aggregation technology, allowing users to seamlessly transfer assets and execute operations across different chains. Moving forward, Avail will implement unified verification through its data availability layer (Avail DA), aiming to simplify bridging and chain-switching processes and optimize the user experience for Web3 applications.

NASDAQ announced that it will increase the position limit for Bitcoin ETF options, which involves adjustments to trading rules for Bitcoin related financial products. （Bitcoin Archive）