Categories › Business & Finance › Market data, stocks & crypto
Free, read-only US and HK stock research: event studies, stock scores, rule results and SEC filings.
Remote server: your requests and data go to plainquant.com. Claude Code: claude mcp add --transport http plainquant https://plainquant.com/mcp · Claude app: Settings → Connectors → Add custom connector.
The tools this server listed when we connected to it, in its own words.
list_events — The events PlainQuant has history for (Fed decisions, CPI, jobs reports, US elections, quarterly options expiry, market drops), with ids, naevent_study — For each past occurrence of the event, the move of the market (market: US = the S&P 500 via SPY, the default for US events; HK = the Hang Seindex_move_study — Like event_study, for a move of an index found in our prices: index SPY (S&P 500), QQQ (Nasdaq-100) or HSI (Hang Seng Index) moving pct perccheck_stocks — Trend and business scores (1-100) for up to 20 US or Hong Kong stocks, the industry ranks behind them, whether each is stretched above its aupcoming_events — Fed decisions, CPI and jobs reports scheduled in the next days (default 30, at most 180), copied from each official calendar, each with the rule_estimates — For each of PlainQuant's library stock-picking rules (US and Hong Kong) at default settings: the plain backtest's return a year after tradinmarket_snapshot — US and Hong Kong large stocks as of each market's last close (the date is as_of): how many have a strong, good, mixed or weak price trend, hcompany_filings — A US stock's important SEC filings in the last days (default 30, at most 90): results, 10-Q and 10-K, officer or director changes, major agrNot tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.