http://Greeks.Live Daily Briefing of Chinese Community ===== Release date: 2025-02-13 Overall market sentiment ===== The market sentiment tends to be cautious and optimistic, and BTC remains strong in the short term. Pay attention to 94000 as an important support level within the group, and breaking through this level may initiate a new round of upward movement. Options Strategy and Hedge Discussion ===== Currently, both IV and RV are at low levels, and the group is discussing following large investors to sell both call and put options simultaneously In currency based option trading, there is a difference in Delta calculation between forward and short-term options, and it is recommended to use static hedging instead of DDH tools When discussing neutral strategies for Vega, it is recommended to hedge the original Vega based on the Deribit calculation system instead of standardizing Vega Volatility arbitrage is not strictly risk-free arbitrage, but a statistical arbitrage strategy for obtaining volatility risk premium