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Research Terminal

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Market DataPortfolioBacktesterPaper TradingCode Editor

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Quotes via Yahoo Finance. Backtester and Python sandbox run fully in your browser.

Practice

LeetCode for Quants

Train on quant interview-style prompts across math/stats, word problems, puzzles, and coding.

0 / 20 solved

Math/StatsUnsolved

Sample Variance by Hand

Beginner

Math/StatsUnsolved

Annualized Sharpe from Daily Stats

Beginner

Math/StatsUnsolved

Convert Covariance to Correlation

Intermediate

Math/StatsUnsolved

Interpret a Z-Score Shock

Intermediate

Math/StatsUnsolved

Two-Asset Portfolio Variance

Advanced

Word ProblemUnsolved

Position Size from Risk Budget

Beginner

Word ProblemUnsolved

Kelly Fraction Scenario

Intermediate

Word ProblemUnsolved

Interpret Daily VaR

Beginner

Word ProblemUnsolved

Triangular FX Arbitrage Check

Advanced

Word ProblemUnsolved

Sharpe vs Sortino in Allocation Choice

Intermediate

PuzzleUnsolved

Dice Game Expected Value

Beginner

PuzzleUnsolved

Both Assets Down Probability

Intermediate

PuzzleUnsolved

Coin Flip Stop Rule

Advanced

PuzzleUnsolved

Card Draw: Ace then King

Beginner

PuzzleUnsolved

Monty Hall Variant

Intermediate

CodingUnsolved

Code: Rolling Sharpe (63-day)

Beginner

CodingUnsolved

Code: Kelly Fraction Function

Beginner

CodingUnsolved

Code: Max Drawdown

Intermediate

CodingUnsolved

Code: Historical VaR (95%)

Intermediate

CodingUnsolved

Code: Equal-Weight Rebalance Shares

Advanced