The Vibe: When future prices of an asset are higher than the current spot price.
The Details: In crypto (especially Bitcoin futures or ETFs), contango means contracts for delivery months from now cost more than buying Bitcoin today. This happens when people expect the price to rise over time or there are extra costs like storage/interest. Funds that hold futures have to “roll” expiring contracts into new, pricier ones, which slowly drags down returns compared to just holding real Bitcoin—this is called contango bleed.
Pro Tip: Spot Bitcoin ETFs (approved in 2024) avoid contango completely because they hold actual BTC. If you’re using older futures-based ETFs, watch out—contango can eat your gains over long periods even if Bitcoin goes up.