Tools and Games

Interactive games and simulations to deepen your understanding of markets, probability, and decision-making.

From Moontower

Games and simulations built by the Moontower team.

Test your options pricing skills with this timed game using the fundamental put-call parity formula.

Compare European (Black-Scholes) and American (Binomial Tree) option prices side-by-side with full Greeks calculations.

Calculate the implied yield from options prices using European-style cost of carry for non-dividend paying stocks.

Calculate the forward volatility implied between two option expirations by subtracting near-term volatility from longer-dated volatility.

Separate implied volatility into event-day volatility and typical daily volatility when markets anticipate specific events like earnings.

Transform implied volatility between 365-day and 251-day models to compare options prices across different calendar conventions.

Calculate expected move sizes for binary events (FDA ruling, merger, election) given a straddle price and probability estimates.

Compute optimal hedge ratios for long/short pairs, index hedging, or translating option deltas between different assets.

Interactive tool for pricing American options using the Cox-Ross-Rubinstein binomial tree model with backward induction.

Simulate how 2x leveraged ETFs behave over time and observe volatility decay in action.

Simulate delta hedging a short call option and observe gamma scalping profits from rebalancing.

Run Monte Carlo simulations of delta-hedged calendar spread positions to analyze P/L distributions.

Curated interactive experiences from across the web.

Interactive game exploring confidence intervals and probability estimation from the Success Equation.

A fast-paced trading card game that teaches market making, risk management, and information discovery.

Test your intuition by guessing the correlation coefficient of scatter plots.

Collection of puzzles involving probability, logic, and quantitative reasoning.

Classic puzzles and brain teasers from Carnegie Mellon University.

Practice mental math with timed arithmetic challenges for quantitative interviews.

Speed arithmetic game to improve mental calculation skills.

Decision-making game testing your ability to assess risk and reward in trading scenarios.