Why does a negative funding rate not mean you can easily earn 'interest' by going long? When I first started trading futures, I loved looking for coins with negative funding rates. Shorts pay longs, so you can wait for a rebound while collecting funding fees—it seemed like free money from the market. But later, I realized that the funding rate isn’t a benefit; it’s just a measure of how crowded the trade is. I once went long on a small coin that was in a continuous freefall. At the time, the funding rate had already turned deeply negative, and everyone in the group chat was saying shorts were overcrowded and a short squeeze was imminent. In the end, I collected a few rounds of funding fees, made a few dozen dollars, but the coin’s price dropped another 30%. Those funding fees didn’t even cover a single normal price fluctuation. What’s more ironic is that as the price kept dropping, people kept trying to catch the bottom. Both long and short positions increased, the negative funding rate persisted for a long time, and the so-called short squeeze never happened. A negative funding rate only indicates that the perpetual contract price is weaker than the spot price, or that there’s stronger demand for shorts. It doesn’t mean the selling pressure is over. It could signal extreme sentiment before a reversal, or it could just be the cost trend-following shorts are willing to pay to hold their positions. To decide if it’s worth going long, you still need to check if the spot market has support, if the price has stopped falling, if open interest (OI) has been flushed out, and whether shorts can still push the price lower after the negative funding rate appears. Remember: the funding rate tells you which side is more crowded, but it doesn’t tell you which side will lose immediately. Chasing a bit of funding fees while risking large price swings often means earning interest but losing your principal.