Open interest (OI) in perpetual futures markets, denominated in BTC, serves as a key indicator to measure sentiment in the derivatives space.During the recent rally above $90k, a short-side squeeze occurred, indicating the elimination of excessive short positioning.The funding rate in perpetual futures markets has remained neutral, signaling a healthy appetite for long positions without excessive leverage.Options market data, specifically the 1-Month 25 Delta Skew, shows growing bullish sentiment with call options being more expensive than put options.