According to glassnode, the BTC 25 Delta Skew has shifted from negative to strongly positive within one week, with the 1-week skew moving from -2.6% to +10.1% and the 1-month skew from -2.2% to +4.9%. This decisive bullish flip in short-dated Bitcoin (BTC) options indicates traders are aggressively positioning for near-term upside or heightened volatility, despite a slight price decline (source: glassnode, June 16, 2025). This shift in options sentiment is often a leading indicator of increased trading activity and potential price movement in the BTC spot market, making it highly relevant for crypto traders monitoring volatility and directional bets.