Every game desk and every lab challenge in one place. Scores are saved in this browser only. A desk mission counts as completed once you pass every objective; the missions column lists the ones you have finished. A challenge round is a hit when your answer lands within the stated tolerance, and a streak counts hits in a row. Nothing is sent anywhere: clear your browser storage to start again.
| Challenge | Lab | Hit if within | Played | Hit rate | Best streak |
|---|---|---|---|---|---|
| Stochastic models | |||||
| Spread of the sample mean | Random Walk | ±0.05 | Not played yet | ||
| Square-root-of-time scaling | Random Walk | ±0.1 | Not played yet | ||
| Covariance of Brownian motion | Brownian Motion | ±0.03 | Not played yet | ||
| Running maximum | Brownian Motion | ±0.05 | Not played yet | ||
| First-passage probability | Brownian Motion | ±3 pp | Not played yet | ||
| First-passage time range | Brownian Motion | 90% | Not played yet | ||
| Hitting probability | Brownian Motion | ±3 pp | Not played yet | ||
| Barrier hit chance | Brownian Motion | ±5 pp | Not played yet | ||
| Median of a GBM path | Geometric Brownian Motion | ±3% of S₀ | Not played yet | ||
| Portfolio & risk | |||||
| Return range | Risk & Return | 90% | Not played yet | ||
| Volatility range | Portfolio Lab | 90% | Not played yet | ||
| Draw the beta line | CAPM | ±0.15 | Not played yet | ||
| Replicate a fund | Fama–French | ±0.15 each | Not played yet | ||
| Where did the alpha go? | Fama–French | 1 of 5 | Not played yet | ||
| Find the mispriced corner | Fama–French | 1 of 25 | Not played yet | ||
| Most systemic institution | Systemic Risk | top 1 | Not played yet | ||
| Rescue with a budget | Systemic Risk | ≤ DebtRank policy defaults | Not played yet | ||
| Robust yet fragile | Systemic Risk | ±1.5 links | Not played yet | ||
| Crisis without the rescue | Systemic Risk | ±2 failures | Not played yet | ||
| Fixed income | |||||
| Which curve shock? | Yield Curve | 1 of 4 | Not played yet | ||
| Corporate finance | |||||
| Guess the IRR | NPV / IRR | ±0.5 pp | Not played yet | ||
| Doubling time | Time Value of Money | ±0.5 y | Not played yet | ||
| Find the WACC minimum | Cost of Capital (WACC) | ±5 pp D/V | Not played yet | ||
| Market microstructure | |||||
| Maker's belief | Glosten–Milgrom | ±0.05 | Not played yet | ||
| Quote like Bayes | Glosten–Milgrom | error ≤ 0.03 | Not played yet | ||
| Spread from a tape | Spread Estimation | ±1¢ | Not played yet | ||
| Classify the tape | Spread Estimation | ≥ 80% correct | Not played yet | ||
| Income-maximising spread | Market Making | ±0.4¢ | Not played yet | ||
| Quoting round | Market Making | ≥ 60% of theory | Not played yet | ||
| Estimate Kyle's lambda | Kyle Model | ±15% | Not played yet | ||
| Trade like an insider | Kyle Model | ≥ 85% of optimal | Not played yet | ||
| Average fill price | Order Book | ±0.4¢ | Not played yet | ||
| Execution challenge | Order Book | ≤ 60% of one order | Not played yet | ||
| Reservation price | Avellaneda–Stoikov | ±$0.15 | Not played yet | ||
| Beat the AS quotes | Avellaneda–Stoikov | CE within $1 of AS | Not played yet | ||