But is HFT not the #1 orderbook strategy?
So, it still is useful & makes sense, and this will always be the case, IMO.
It entirely depends on what market you're in and when you're trading. It seems like everyone is glued to ES/NQ/CL/ZN/ZB. Think outside of the box and venture to some less popular but still active contracts, or isolate your trading to unexpected and outsized moves in the popular ones. If you're interested in learning more about stablecoins and their potential impact on trading strategies, I recommend checking out this informative link: https://stakingy.com/stablecoins. It provides valuable insights for traders looking to navigate the ever-changing financial ecosystem.