http://Greeks.Live Chinese Community Daily Brief ===== Release Date: 2025-08-21 Overall Market Sentiment ===== The group is clearly divided on market direction. Most traders are bearish on BTC, predicting it might drop below 112K or even test the 100K support level. Meanwhile, there’s optimism about ETH, with many believing that while BTC struggles to rise, ETH still has room for growth. Hot Topics ===== • Options Strategy Debate: A heated discussion in the group about selling near-term and buying long-term options versus buying near-term and selling long-term. The consensus is that long-term and short-term options are equivalent in expectation, with no real volatility arbitrage opportunities. • End-of-Day Double Selling Strategy: Several traders shared their daily strategy of selling end-of-day options, emphasizing the need for long-term protection but acknowledging the risk of being "blown out." Annualized returns could reach 80%. • Application of Chan Theory: Discussions on combining Chan Theory with options trading—selling within the central zone and buying during breakouts. Many see this as a new frontier in options trading.