Tether, the issuer of the world's largest stablecoin, USDT, announced a major strategic investment into Parfin, a London-based fintech company with extensive operations across Latin America.
The selloff pushed Bitcoin's price down over 35% from its October peak and coincided with broad weakness across risk assets, including a slump in major stock indices.
The volatility that has gripped the crypto market for the last six weeks intensified, with Bitcoin (BTC) briefly plunging below the $90,000 level on November 18, 2025.
The week of November 9 to November 16, 2025, was a period of extreme contrast, characterized by a severe market downturn and retail panic on one side, and highly confident, strategic institutional adoption on the other.
BlackRock's BUIDL (BlackRock USD Institutional Digital Liquidity Fund) was announced as being accepted as off-exchange collateral for trading on Binance.
SharpLink Gaming, Inc. (Nasdaq: SBET), one of the world's largest corporate holders of Ether (ETH), announced highly encouraging financial results and a major expansion of its Ethereum treasury strategy.
Financial technology company SoFi announced the phased rollout of SoFi Crypto, a new product allowing its large customer base to buy, sell, and hold dozens of cryptocurrencies directly within their main banking application.
This capital raise, which totaled nearly $160 million, represents a powerful institutional affirmation of the corporate treasury strategy surrounding Bitcoin.