How to use · 45 of 45 tools
Calculator guides
Each guide reads the tool's actual inputs, walks through the steps, and tells you what to look for in the output. Worked examples included. No marketing intros, no salesy framing.
Calculator how-to's
16 guides-
How to use Agent Cost Envelope Calculator
Agent Cost Envelope: model end-to-end LLM loop. Steps, tool calls, convergence checks. Per-loop, daily, monthly cost with explicit cap.
5 STEPS
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How to use Backtest Overfitting Score
Backtest Overfitting Score: upload trade logs. Get PBO, Deflated Sharpe, and probability of skill — quantify selection bias vs real edge.
5 STEPS
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How to use Batch vs Real-Time Cost Calculator
Batch vs Real-Time Cost Calculator: jobs/day, tokens, model, deadline in. Side-by-side real-time vs batch cost with savings and SLA eligibility.
5 STEPS
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How to use Correlation Matrix Visualizer
Correlation Matrix Visualizer: multi-asset returns CSV. Heatmap plus condition number, mean-abs correlation, eigenvalue concentration diagnostics.
5 STEPS
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How to use Deflated Sharpe Ratio Calculator
Deflated Sharpe Ratio: observed Sharpe, sample length, K trials in. Returns Bailey-Lopez de Prado deflated Sharpe and PSR (probability of skill).
5 STEPS
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How to use Drawdown-Recovery Markov Simulator
Drawdown Recovery (Markov + Cornish-Fisher MC): drawdown depth, Sharpe, skew, kurtosis in. Recovery time distribution over thousands of simulations.
5 STEPS
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How to use Earnings-Call Summarization Cost Calculator
Earnings Call Summarization Cost: per-stock per-quarter LLM cost across Sonnet, Opus, GPT-4o, Gemini Pro/Flash. Cache-aware, snapshot pricing.
5 STEPS
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How to use Efficient Frontier Builder
Efficient Frontier Builder: multi-asset returns CSV. Markowitz mean-variance frontier, min-variance and tangency portfolios with actual weights.
5 STEPS
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How to use Financial Document Token Estimator
Financial Document Token Estimator: paste a filing or transcript. Token count plus one-pass extraction cost across 8 frontier LLMs, cache-aware.
5 STEPS
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How to use Fractional Kelly Sizer
Kelly Sizer: enter win probability, win/loss ratio, and Kelly fraction. Get bet size, drawdown distribution, and ruin rate via Monte Carlo.
5 STEPS
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How to use Position Sizing under Edge Variance
Position Sizing with Edge Variance: edge estimate, variance, sample size in. Deterministic, Bayesian-adjusted, and conservative-bound Kelly bet sizes.
5 STEPS
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How to use Returns Distribution Analyzer
Returns Distribution Analyzer: returns CSV in. Histogram with normal overlay, QQ plot, skew, kurtosis, Jarque-Bera, tail-weight index out.
5 STEPS
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How to use Risk-Adjusted Returns Calculator
Risk-Adjusted Returns: paste returns CSV. Computes Sharpe, Sortino, Calmar, Omega, alpha, beta, tracking error, drawdown, and tail moments.
5 STEPS
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How to use Sharpe vs Sortino Calculator
Sharpe vs Sortino Calculator: daily returns in. Sharpe, Sortino, Calmar, Omega side-by-side. Recommendation on which ratio matches the distribution.
5 STEPS
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How to use Statistical Arbitrage Capacity Calculator
Stat-Arb Capacity: signal half-life, daily volume, slippage, fees, target Sharpe in. Sqrt-impact closed-form returns max AUM the strategy survives.
5 STEPS
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How to use Token-Cost Optimizer
Token Cost Optimizer: prompt length, response length, model, retry rate, calls/day. Outputs monthly cost across major LLMs side-by-side.
5 STEPS
Comparator how-to's
5 guides-
How to use Broker API Comparator
Broker API Comparator: five retail brokers side-by-side on auth, rate limits, order types, market data, MCP, and fees — the integration-cost matrix.
5 STEPS
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How to use Data-Vendor TCO Calculator
Data Vendor TCO: enter instrument count, bar resolution, history depth. Get annual cost across six retail data vendors side-by-side.
5 STEPS
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How to use FTC vs FCA vs MiCA+DORA Regulatory Cost
Regulatory Cost Comparator: pick product type + jurisdictions (FTC/FCA/MiCA/DORA). Outputs compliance cost snapshot with as-of date for each.
5 STEPS
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How to use Kalshi vs Polymarket Arb Scanner
Kalshi/Polymarket Arb Scan: paired contracts across both venues, daily-refreshed. Gross edge, tax-adjusted edge, and resolution-risk overlay included.
5 STEPS
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How to use Model Selector for Finance
Model Selector: task, latency, cost, context, quality in. Ranked LLM recommendations with benchmark-grounded rationale per model.
5 STEPS
Playground how-to's
19 guides-
How to use Agent Skill Tester for Markets
Agent Skill Tester: paste SKILL.md and a sample. Runs in-browser, returns structured extraction, token cost, latency. Test skills before production.
5 STEPS
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How to use Calibration Dojo
Calibration Dojo: answer binary forecasting questions at any confidence level. Tracks Brier score and reliability curve — train probabilistic intuition.
5 STEPS
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How to use Cointegration Half-Life Solver
Cointegration Half-Life Solver: two price series. Engle-Granger ADF p-value, OU half-life, hedge ratio, and spread chart for stat-arb sizing.
5 STEPS
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How to use Execution Simulator
Execution Simulator: order params + venue config. Models sqrt-impact, latency, partial fills, queue position. Outputs realistic fill vs naive slippage.
5 STEPS
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How to use Fallback Chain Simulator
Fallback Chain Simulator: provider chain in. Rate-limit + latency failures simulated. Outputs p50/p95/p99 latency, success rate, cost, degradations.
5 STEPS
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How to use Forecast Scoring Sandbox
Forecast Scoring Sandbox: (probability, outcome) pairs in. Brier with decomposition, log loss, reliability diagram, bootstrap CIs out.
5 STEPS
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How to use Hallucination Detector
Hallucination Detector: source document plus LLM extraction. Numeric claims matched line-by-line, fabricated numbers flagged before reaching production.
5 STEPS
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How to use LLM Finance Error Taxonomy
LLM Finance Error Taxonomy: 12 documented failure modes. Paste LLM output, see which categories trigger — fast triage for finance pipelines.
5 STEPS
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How to use Options Greeks Explorer
Options Greeks Explorer: Black-Scholes pricer plus live delta, gamma, theta, vega, rho. Drag spot, strike, vol, DTE to build Greek intuition.
5 STEPS
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How to use Options Payoff Builder
Options Payoff Builder: 1–4 leg strategy editor. Picks call/put, long/short, strikes. Renders at-expiry payoff, break-evens, max profit/loss.
5 STEPS
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How to use Order Book Replay Visualizer
Order Book Replay: drop a Level-2 CSV. Reconstructs the book tick by tick with depth animation, spread over time, and imbalance signal.
5 STEPS
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How to use Pair Trading Cointegration Tester
Pair Trading Tester: two price series in. Engle-Granger test, OU half-life, z-score plot — pair mean-reverts on a usable timescale or it doesn't.
5 STEPS
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How to use Price-Blind Research Auditor
Price-Blind Auditor: paste an agent prompt or context. Flags price numbers, direction-leaking phrases, and outcome cues that cause LLM confabulation.
5 STEPS
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How to use Prompt Injection Tester
Prompt Injection Tester: 24 attacks against your finance agent — direct override, role-confusion, indirect-via-RAG. Each attack scored followed/refused.
5 STEPS
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How to use Prompt Regression Tester
Prompt Regression Tester: same prompt, multiple models. Diffs outputs and surfaces silent drift after provider model updates — catch regressions early.
5 STEPS
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How to use Structured Schema Validator for Finance
Structured Schema Validator: LLM JSON in. Validates against four finance schemas. Sanity checks: currency, ticker, magnitude beyond JSON-Schema.
5 STEPS
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How to use VaR Backtest — Kupiec & Christoffersen
VaR Backtest (Kupiec + Christoffersen): P&L and VaR series in. POF, independence, joint conditional-coverage LR tests with chi-squared p-values.
5 STEPS
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How to use Walk-Forward Validation Visualizer
Walk-Forward Validation Visualizer: returns CSV in. Per-window IS vs OOS Sharpe, IS-to-OOS drop, rolling and anchored modes — visual overfit check.
5 STEPS
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How to use Walk-Forward Validator
Walk-Forward Validator: upload returns. Rolling or expanding IS-OOS windows. Per-window Sharpe, walk-forward efficiency, concatenated OOS equity curve.
5 STEPS
Generator how-to's
4 guides-
How to use Quant Interview Question Generator
Quant Interview Question Generator: pick topic + difficulty. Seeded for reproducibility, human-authored questions across five quant interview domains.
5 STEPS
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How to use SEC Filing Chunk Optimizer
SEC Filing Chunk Optimizer: filing archetype, chunk size, overlap. Outputs chunk count, embedding cost, boundary warnings (tables, sections).
5 STEPS
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How to use Synthetic Market Data Generator
Synthetic Market Data Generator: pick GBM, GARCH, regime-switching, or copula-linked. Outputs price series for backtest stress-tests on controlled inputs.
5 STEPS
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How to use Trading System Blueprinter
Trading System Blueprinter: pick data, LLM, broker, storage, risk, logger. Emits architecture diagram, repo scaffold ZIP, and decision checklist.
5 STEPS
Directory how-to's
1 guidesAdjacent surfaces