v1.8.1 · 2026-05-11
Stock Forecaster — UX, i18n & AI
- Chart controls (zoom ＋/－, pan ◀/▶, reset, CSV export) moved below chart — no longer overlap price labels
- Technical indicators apply only on Analyze & Forecast press; toggling shows a pending state without re-fetching
- Recent tickers stored in 365-day cookie, filtered to show only non-preset searches, with per-chip × removal
- Default language forced to English; old auto-detected Italian preference ignored unless user explicitly chose it
- Portfolio & Backtesting fully translated; backtesting inputs validated client-side before any API call
- AI analysis 502 errors fixed — correct
anthropic-beta header, robust fallback from web-search to knowledge-only
v1.0 · 2026-05-01
First public release — what was built in v1.0–v1.8
- 10 tools across Finance, Fortune, Dev, Wanderlust, Bargain Hunter and Community — stock & crypto stochastic forecasting (GBM, EWMA, GARCH, Jump, Bootstrap, Ensemble), lottery probabilities, sport betting math, Hash Tool (15+ algorithms), travel aggregator, deals scanner, price-error hunter, guestbook
- AI Analysis — ✦ Claude, ✦ Gemini and ✦ Groq buttons after each forecast; real-time web search for news, fundamentals and analyst ratings; 4h/24h KV cache shared across users
- 8 stock data providers — Netlify-Yahoo → Twelve Data → FMP → Finnhub → Alpha Vantage → Yahoo → Marketstack → Stooq; automatic fallback chain, 25s budget, session cache
- Portfolio tab — multi-portfolio manager with save/load, CSV import/export, Markowitz frontier projection and 2 000-path Monte Carlo
- Backtesting tab — walk-forward test across 6 algorithms with coverage, MAPE, RMSE and directional accuracy scoring
- Hash Tool — encode (15+ algorithms) + decode (4-provider parallel lookup with inverse verification)
- Infrastructure — custom domain 4suite.net, Cloudflare Pages Functions, Workers KV, Service Worker v4, 9-language i18n (~800 keys), light/dark theme, PWA-installable