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.
Put-Call Parity Game
Test your options pricing skills with this timed game using the fundamental put-call parity formula.
Option Pricing Calculator
Compare European (Black-Scholes) and American (Binomial Tree) option prices side-by-side with full Greeks calculations.
Implied Yield Calculator
Calculate the implied yield from options prices using European-style cost of carry for non-dividend paying stocks.
Forward Volatility Calculator
Calculate the forward volatility implied between two option expirations by subtracting near-term volatility from longer-dated volatility.
Event Volatility Extractor
Separate implied volatility into event-day volatility and typical daily volatility when markets anticipate specific events like earnings.
Volatility Converter
Transform implied volatility between 365-day and 251-day models to compare options prices across different calendar conventions.
Binary Straddle Calculator
Calculate expected move sizes for binary events (FDA ruling, merger, election) given a straddle price and probability estimates.
Hedge Ratios Calculator
Compute optimal hedge ratios for long/short pairs, index hedging, or translating option deltas between different assets.
Car Lease Embedded Option Calculator
Calculate the embedded option value in a car lease by comparing the present value of lease payments to the purchase price.
Trading Edge Statistical Calculator
Calculate how many trades you need to statistically prove your trading edge exists. Includes a trade simulator and educational content on hypothesis testing.
CRR Binomial Tree Lab
Interactive tool for pricing American options using the Cox-Ross-Rubinstein binomial tree model with backward induction.
Leveraged ETF Simulator
Simulate how 2x leveraged ETFs behave over time and observe volatility decay in action.
Delta Hedging Simulator
Simulate delta hedging a short call option and observe gamma scalping profits from rebalancing.
Calendar Spread Simulator
Run Monte Carlo simulations of delta-hedged calendar spread positions to analyze P/L distributions.
From Around The Web
Curated interactive experiences from across the web.
Confidence Game
Interactive game exploring confidence intervals and probability estimation from the Success Equation.
Figgie by Jane Street
A fast-paced trading card game that teaches market making, risk management, and information discovery.
Guess the Correlation
Test your intuition by guessing the correlation coefficient of scatter plots.
Brainstellar
Collection of puzzles involving probability, logic, and quantitative reasoning.
The Puzzle Toad
Classic puzzles and brain teasers from Carnegie Mellon University.
Open Quant
Practice mental math with timed arithmetic challenges for quantitative interviews.
Zetamac
Speed arithmetic game to improve mental calculation skills.
Trade or Tighten
Decision-making game testing your ability to assess risk and reward in trading scenarios.