http://Greeks.Live Chinese Community Daily Brief ===== Release Date: 2025-09-17 Overall Market Sentiment ===== The group holds a cautiously optimistic view on BTC's short-term movement, focusing on the breakout of key resistance levels at 117 and 119. Traders believe the short-term skew remains strongly left-biased, with bears increasing their positions, but the final short squeeze above 117 could push prices higher. Hot Topics ===== • Intense discussions on professional options trading strategies, with traders showcasing complex 130-leg options combinations. Daily trading volume reaches $4 million, with an average slippage of just 0.1bp. • Delta-neutral strategies are in the spotlight, emphasizing the abstraction of multi-leg positions through Greek values, focusing on dynamic order placement for quick position building rather than profiting from slippage. • The Argus multi-account management tool on the Gezhi platform is under development, aiming to provide visualized risk matrices and distribution chart management functions for complex options strategies.