tags. We'll preserve that.
We also need to ensure proper Dutch capitalization and punctuation.
Let's put it all together.
Title: "Bitcoin blijft zijwaarts, maar BitMEX-ratio piekt: echo's van vóór de FTX-ineenstorting?" Or maybe "Bitcoin zijwaarts, maar BitMEX-ratio piekt: echo's van de pre-FTX-crash?" I'll go with a more natural: "Bitcoin blijft zijwaarts, maar BitMEX-ratio piekt: echo's van de periode vóór de FTX-ineenstorting?" But that's long. Perhaps "Bitcoin zijwaarts, maar BitMEX-ratio piekt: echo's van de FTX-crash?" But that loses "pre". I'll use: "Bitcoin blijft zijwaarts, maar BitMEX-ratio piekt: echo's van vóór de FTX-crash?" That seems fine.
Actually, "pre-FTX collapse" means "before the FTX collapse". So "echo's van de periode vóór de FTX-ineenstorting" is accurate. But we can shorten: "echo's van vóór de FTX-ineenstorting" is a bit odd. I'll go with "echo's van de periode vóór de FTX-ineenstorting?" but the question mark is part of the title? The original has a question mark. So we'll keep it.
Let's decide: "Bitcoin blijft zijwaarts, maar BitMEX-ratio piekt: echo's van de periode vóór de