SPDR S&P 500 ETF Trust Code Analysis: SST1G182500500.U Why is the underlying stock code SST 1 instead of SST?
This report aims to deeply analyze the U.S. equity options code “SST1G182500500.U,” particularly why its underlying stock code portion is displayed as “SST 1” instead of the original “SST” when sent to Interactive Brokers (IB). By analyzing the standardization structure of option symbols, related company behavior, and broker’s internal processing mechanisms, this report will elucidate the reasons behind this phenomenon and its impact on options traders. U.S. Equity Options Symbol Standardization (OSI) To ensure the efficient operation and transparency of the options market, the U.
Daily Musings
AI has been integrated into daily development workflows, and recent investments have shifted focus from external funds to internal stocks and ETFs. Open Source Projects Project Log Last week, I was bored and tried to obtain GitHub badges, starting to use the Issue module. Previously, when writing code, I always wanted to find a place to record the content of each AI modification, but creating a separate document to record it felt disorganized.
Cross-machine computation time difference
The existing communication protocol within the group uses steady_clock as a timestamp to calculate the latency for each individual node. In a specific scenario, a message packet’s built-in timestamp was used, and this timestamp originated from another machine – resulting in an anomalous latency calculation.
As a side note: Gemini2.5 Pro shows promise of completely surpassing GPT-4.
Breadcrumb Navigation
Continuing AI’s random writing, Local Comic Browser, at the end, I discovered there was no return to homepage function; I extracted the issue and fed it to AI. The solution was to add breadcrumb navigation. What is Breadcrumb Navigation? Breadcrumb navigation is a common user interface design pattern typically used to help users understand their location within a website or application and provide quick paths to return to the previous level or homepage.
WeChat Backup Tool Local Network Recognition Failed
I regularly clear out data on my phone, including photos and WeChat chat logs, backing them up to my computer. Previously, it worked seamlessly, allowing me to easily identify both my mobile phone and desktop PC within the same local network and directly back up the chat records to my computer. However, today everything has been failing.