According to TechFlow, on October 15, CryptoQuant analyst EgyHash pointed out that the size of open contracts in the Bitcoin derivatives market has reached a record high of $19.8 billion. At the same time, the funding rate has also climbed to its highest level since August, indicating that most open contracts tend to be long Bitcoin. This upward trend in the derivatives market reflects the increase in liquidity and investor attention in the cryptocurrency field. The increase in funding rates further highlights traders' bullish sentiment.