Bitcoin's open interest has soared to an all-time high (ATH) amid the recent surge in Bitcoin's price to $72,000, marking a significant milestone for the cryptocurrency market. Maartun, the community manager at CryptoQuant Netherlands, took to social media on April 8 to announce the remarkable milestone. Bitcoin's open interest has reached an unprecedented peak of $18.2 billion, indicating a surge in activity within the Bitcoin derivatives market. Open interest (OI) is a metric that tracks the total number of active Bitcoin derivatives contracts across all exchanges. It serves as a key indicator of the overall influx of capital into the Bitcoin derivatives market.