Shimon Eckstein Finance systems and applied AI engineering

Software that
shows its work.

Four systems built for finance, research and regulation. Each one makes a claim you would have to act on — a valuation, a rule that applies to you, a shift in what management is saying, a trade — and each one can tell you exactly where that claim came from.

Evidence, from RegWatch
effective_on = 2026-11-03
filled from the Federal Register API — the model has no field for it

The work

4 systems · 4 running live

Read about RegWatch
Regulatory triage agent Live demo

RegWatch

Reads the entire Federal Register every night and surfaces the handful of rules that actually reach one company — with every claim anchored to the exact characters it came from.

effective_on = 2026-11-03
filled from the Federal Register API — the model has no field for it
  • Python
  • FastAPI
  • SQLite
  • Anthropic
  • OpenRouter
Read more Open demo
Read about ValuationIQ
Equity valuation platform Live demo

ValuationIQ

An AI analyst that argues the methodology and writes the thesis, but never does the arithmetic — every number is computed in deterministic Python and carries a clickable derivation.

WACC 7.84% = 0.71 × 9.2% + 0.29 × 4.1% × (1 − 0.24)
derivation_log — formula and inputs stored with the result
  • Python
  • FastAPI
  • SQLAlchemy
  • pandas
  • SciPy
Read more Open demo
Read about Threadline
Earnings-call research platform Live demo

Threadline

Turns thousands of words of earnings calls into a heatmap of what management is emphasising — and what they have stopped mentioning — with every AI answer cited to the paragraph it came from.

“…meaningful shelf-space gains across convenience…”
CELH Q1 2026 · Q&A · paragraph 47
  • React
  • FastAPI
  • Postgres
  • pgvector
  • DeepSeek
Read more Open demo
Read about Backend Broker Integration
Options trading desk Live demo

Backend Broker Integration

A single-screen options cockpit — technical signals computed from raw OHLC, full chains by expiry, and multi-leg orders previewed against a real brokerage before they are ever sent.

SMS cross ↑ · ATR trailing stop 181.40
computed from 2y weekly OHLC — not a vendor signal
  • React
  • Vite
  • FastAPI
  • pandas
  • SnapTrade
Read more Open demo