--- type: "Topics" locale: "en" url: "https://longbridge.com/en/topics/40612409.md" description: "Optimal position f = (win rate × odds − loss rate) / oddsExample: win rate 50%, odds 3:1 → f=(0.5×3−0.5)/3≈33% (single stock position ≤33%).Review Key points: Currently hot topics are optical fiber and storage.If you haven't moved from the beginning of last year/January when it was written until nowUp to now, the odds are very attractive.😂Looked at the sister who's good at options trading, had a gambler's mindset in the early stages!Later when playing, still need to be rational, look at data and physical condition.Reduce gambling based on intuition and emotion.Currently considering one thing:I have new capital, where to put it?Are my odds sufficient?Should I buy now?Or wait for an opportunity?$YOFC(06869.HK)$YOFC(06869.HK) In H-shares, Yangtze Optical Fibre's valuation looks more attractive.$Corning(GLW.US)$Leverage Shares 2X Long GLW Daily ETF(GLWG.US)" datetime: "2026-05-11T03:34:57.000Z" locales: - [en](https://longbridge.com/en/topics/40612409.md) - [zh-CN](https://longbridge.com/zh-CN/topics/40612409.md) - [zh-HK](https://longbridge.com/zh-HK/topics/40612409.md) author: "[佩宁Penny财商成长系](https://longbridge.com/en/profiles/17154496.md)" --- # Optimal position f = (win rate × odds − loss rate)… ### Related Stocks - [06869.HK](https://longbridge.com/en/quote/06869.HK.md) - [601869.CN](https://longbridge.com/en/quote/601869.CN.md) - [GLW.US](https://longbridge.com/en/quote/GLW.US.md) - [GLWG.US](https://longbridge.com/en/quote/GLWG.US.md) ## Comments (2) - **z个两 · 2026-05-11T03:46:27.000Z**: I've also been keeping an eye on Changfei recently 👀 - **佩宁Penny财商成长系** (2026-05-11T03:49:29.000Z): Hope I can hold on tight this time🌝😂