Funding Rate
The Funding Rate is a mechanism used in perpetual futures contracts to ensure that the contract price stays anchored to the underlying asset's spot price. Since perpetual futures have no expiration date, the funding rate acts as a periodic payment between long and short traders.
When the perpetual price is higher than the spot price, long traders pay a fee to short traders, incentivizing them to sell and bring the price down. Conversely, if the perpetual price is lower than the spot price, short traders pay long traders, encouraging buying.
This mechanism prevents long-term divergence between the derivative and the underlying asset. For traders, the funding rate represents a continuous cost or benefit of holding a position.
It is highly correlated with market sentiment, often turning positive during bull markets and negative during bear markets. Monitoring the funding rate provides valuable insight into the prevailing leverage and directional bias of the market.