Simon (@linsizhen) / X

Simon

9 posts

Simon

@linsizhen

I build open-source market data tools with AI. a-stock-data 7.7k★ · TradingAgents 2.6k★ · global-stock-data 1.2k★ Not investment advice. I may hold positions

New Zealand

github.com/simonlin1212

Born December 12, 1987

Joined March 2018

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Simon
@linsizhen
11h
Everyone paywalls options Greeks. I built a free one. Full Greeks + IV + same-day 0DTE flow, straight from CBOE's official feed. yfinance doesn't have Greeks. OpenBB's free tier doesn't either. Also in there: daily short volume for all 12,112 US symbols (FINRA), a market-wide
00:00
Simon
@linsizhen
11h
━━━━━━━━━━━━━━━━━━━━ CXMT LISTS TOMORROW 20260727 · WHAT TWO MARKETS PRICE ━━━━━━━━━━━━━━━━━━━━ China's largest DRAM maker — world #4 — lists on the STAR Market Monday. IPO price 8.66 CNY, or 579B CNY (~$85B). Only 6.73% of the shares
Simon
@linsizhen
15h
━━━━━━━━━━━━━━━━━━━━ 📡 HBM HIRING RADAR 20260726 · BASELINE ━━━━━━━━━━━━━━━━━━━━ SK HYNIX vs MICRON ▸ SNAPSHOT SK hynix America 42 openings Micron (HBM roles) 193 openings First edition = baseline. From here, every issue ships
Simon
@linsizhen
15h
━━━━━━━━━━━━━━━━━━━━ 📡 HUMANOID HIRING RADAR 20260726 · 30-DAY DIFF ━━━━━━━━━━━━━━━━━━━━ TESLA OPTIMUS vs FIGURE ▸ SNAPSHOT (Jun 25 → Jul 26) Tesla Optimus 231 → 282 (+22%) Figure 101 → 122 (+21%) Tesla opened 80
Simon
@linsizhen
16h
Most "free" US market data APIs stop at quotes. No options Greeks. No short volume. No SEC filings. So I built one that has them — 13 layers, 30+ endpoints, zero auth, no API key. Every source labeled with its license tier.
GitHub - simonlin1212/global-stock-data: US & HK stock market data for AI coding assistants —...
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