# optionstratlib | Joaquin Bejar Garcia | Knowledge Base | Instagit

OptionStratLib is a comprehensive Rust library for options trading and strategy development across multiple asset classes.

GitHub Stars: 172

Repository: https://github.com/joaquinbejar/optionstratlib

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## Articles

### [How the Poor Man's Covered Call Strategy Uses LEAPS to Replicate Covered Call Exposure](/joaquinbejar/optionstratlib/how-does-the-poor-mans-covered-call-strategy-use-leaps-to-replicate-covered-call-exposure)

Discover how the Poor Man's Covered Call strategy uses LEAPS options to achieve covered call exposure with less capital. Learn to replicate stock ownership and generate income.

- Tags: deep-dive
- Published: 2026-03-04

### [What is the Vanna-Volga Hedge Surface and How Is It Calculated in Composite Metrics?](/joaquinbejar/optionstratlib/what-is-the-vanna-volga-hedge-surface-and-how-is-it-calculated-in-composite-metrics)

Discover the Vanna-Volga hedge surface a 3D grid quantifying vega vanna and volga risk. Learn its calculation in composite metrics using optionstratlib.

- Tags: deep-dive
- Published: 2026-03-04

### [How to Handle CSV/JSON Import/Export for Option Chains with the optionstratlib `chains` Module](/joaquinbejar/optionstratlib/how-do-you-handle-csv-json-import-export-for-option-chains-with-the-chains-module)

Easily import and export option chain data using CSV/JSON with the optionstratlib chains module. Handle missing data and format conversions automatically. Learn more.

- Tags: how-to-guide
- Published: 2026-03-04

### [Theta Curve vs Charm Surface in Optionstratlib: Temporal Greeks Analysis](/joaquinbejar/optionstratlib/what-is-the-difference-between-theta_curve-and-charm_surface-in-temporal-metrics)

Understand theta curve vs charm surface in optionstratlib. Explore temporal Greeks analysis and uncover how delta sensitivity drifts across price and time.

- Tags: deep-dive
- Published: 2026-03-04

### [How the `random_walk_build_chain` Simulation Generates Price Paths for Backtesting in optionstratlib](/joaquinbejar/optionstratlib/how-does-the-random_walk_build_chain-simulation-generate-price-paths-for-backtesting)

Discover how optionstratlib's random_walk_build_chain simulation generates price paths for backtesting. Learn about stochastic parameters, price sequences, and option chain rebuilding. Optimize your strategy analysis today.

- Tags: how-to-guide
- Published: 2026-03-04

### [Margrabe's Formula for Exchange Option Pricing: Implementation in OptionStratLib](/joaquinbejar/optionstratlib/what-is-margrabes-formula-for-exchange-option-pricing-between-two-assets)

Discover Margrabe's formula for exchange option pricing. This guide explains how to implement the closed-form solution for swapping assets at maturity using OptionStratLib.

- Tags: tutorial
- Published: 2026-03-04

### [How to Configure Plotly Visualization with Custom Themes in optionstratlib](/joaquinbejar/optionstratlib/how-do-you-configure-plotly-visualization-with-custom-themes-in-the-visualization-module)

Learn to configure Plotly visualization with custom themes in optionstratlib using hex color strings in GraphConfig for automatic application during rendering. Enhance your charts today.

- Tags: how-to-guide
- Published: 2026-03-04

### [Put-Call Parity Test: Property-Based Tests vs Unit Tests in optionstratlib](/joaquinbejar/optionstratlib/what-is-the-difference-between-put-call-parity-test-property-based-tests-and-unit-tests)

Discover the difference between property-based tests and unit tests for put-call parity. Learn how optionstratlib uses random scenarios vs fixed inputs to ensure accuracy.

- Tags: testing
- Published: 2026-03-04

### [How the Covered Call Strategy Integrates with SpotPosition in optionstratlib](/joaquinbejar/optionstratlib/how-does-the-covered-call-strategy-integrate-with-spotposition-for-the-underlying-asset-leg)

Discover how the Covered Call strategy integrates with SpotPosition in optionstratlib. Learn how asset leg data combines with short calls for profit loss analysis and break even points.

- Tags: how-to-guide
- Published: 2026-03-04

### [What Is Kirk's Approximation in Spread Option Pricing?](/joaquinbejar/optionstratlib/what-is-kirks-approximation-used-for-in-spread-option-pricing)

Discover Kirk's approximation for spread option pricing. Learn how this analytical method prices options with non-zero strikes using adjusted strikes and effective volatility.

- Tags: deep-dive
- Published: 2026-03-04

### [How the Telegraph Process Models Jump-Diffusion for Options Pricing in optionstratlib](/joaquinbejar/optionstratlib/how-does-the-telegraph-process-model-jump-diffusion-for-options-pricing)

Discover how the telegraph process models jump-diffusion for options pricing. Learn about abrupt asset price changes and Markov chains in optionstratlib without complex machinery.

- Tags: deep-dive
- Published: 2026-03-04

### [How Barrier Options Handle Knock-In and Knock-Out Events in optionstratlib's pricing/barrier.rs](/joaquinbejar/optionstratlib/how-do-barrier-options-handle-knock-in-and-knock-out-events-in-the-pricing-barrier.rs-implementation)

Discover how optionstratlib's barrier.rs handles knock-in and knock-out events using analytical Black-Scholes formulas with direction signs and helper closures.

- Tags: deep-dive
- Published: 2026-03-04

### [RiskReversalCurve vs DollarGammaCurve: Comparing Volatility Skew and Gamma Risk Metrics in optionstratlib](/joaquinbejar/optionstratlib/what-is-the-difference-between-risk_reversal_curve-and-dollar_gamma_curve-in-the-metrics-module)

Understand the difference between RiskReversalCurve and DollarGammaCurve in optionstratlib. Learn how these metrics measure volatility skew and gamma risk effectively.

- Tags: deep-dive
- Published: 2026-03-04

### [Exit Policies in the Monte Carlo Simulation Module: A Complete Guide to optionstratlib](/joaquinbejar/optionstratlib/what-exit-policies-are-supported-in-the-simulation-module-for-monte-carlo-strategy-testing)

Explore 16 exit policies in optionstratlib Monte Carlo simulations. Discover profit targets, stop losses, time limits, and more for precise strategy testing.

- Tags: how-to-guide
- Published: 2026-03-04

### [How to Construct a Volatility Surface in OptionStratLib Using the Curves and Surfaces Modules](/joaquinbejar/optionstratlib/how-do-you-construct-a-volatility-surface-using-the-curves-and-surfaces-modules)

Learn to construct a volatility surface in OptionStratLib using curves and surfaces modules. Effortlessly build or generate surfaces from implied volatility data for robust options analysis.

- Tags: how-to-guide
- Published: 2026-03-04

### [How the `implied_volatility` Function Uses Newton-Raphson to Solve for IV in optionstratlib](/joaquinbejar/optionstratlib/how-does-the-implied_volatility-function-use-newton-raphson-to-solve-for-iv)

Discover how optionstratlib's implied_volatility function employs Newton-Raphson by parallel grid search to accurately solve for IV. Optimize your option pricing strategy today.

- Tags: internals
- Published: 2026-03-04

### [Difference Between Long and Short Butterfly Spread Payoff Calculations](/joaquinbejar/optionstratlib/what-is-the-difference-between-long-and-short-butterfly-spread-payoff-calculations)

Understand the key difference in long and short butterfly spread payoff calculations. Explore how inverted positions create distinct profit profiles.

- Tags: deep-dive
- Published: 2026-03-04

### [How to Implement a Custom Strategy Using the Strategable Trait in optionstratlib](/joaquinbejar/optionstratlib/how-do-you-implement-a-custom-strategy-using-the-custom-strategy-framework-with-the-strategable-trait)

Learn to implement custom option strategies with optionstratlib by utilizing the Strategable trait. Define your strategy and unlock the full analytics engine.

- Tags: how-to-guide
- Published: 2026-03-04

### [Why OptionStratLib Uses rust_decimal Instead of f64 for Financial Precision](/joaquinbejar/optionstratlib/why-does-optionstratlib-use-rust_decimal-for-precision-instead-of-f64-and-what-are-the-performance-implications)

Discover why OptionStratLib chooses rust_decimal over f64 for precise financial calculations and explore the performance trade-offs for accurate options pricing and regulatory compliance.

- Tags: performance
- Published: 2026-03-04

### [How Second-Order Greeks (Vanna, Vomma, Veta, Charm, Color) Drive Advanced Options Risk Management](/joaquinbejar/optionstratlib/how-do-vanna-vomma-veta-charm-and-color-second-order-greeks-affect-risk-management)

Master second-order Greeks Vanna Vomma Veta Charm and Color to refine options risk management Understand their impact on volatility time and price for superior hedging strategies

- Tags: deep-dive
- Published: 2026-03-04

### [How the Leg Enum Supports Multi-Asset Strategies in optionstratlib](/joaquinbejar/optionstratlib/how-does-the-leg-enum-support-multi-asset-strategies-combining-options-with-spot-futures-and-perpetuals)

Discover how the Leg enum in optionstratlib unifies options, spot, futures & perpetuals for streamlined multi-asset strategy construction and P&L calculations.

- Tags: internals
- Published: 2026-03-04

### [Barone-Adesi-Whaley Approximation vs Binomial Tree Pricing for American Options](/joaquinbejar/optionstratlib/what-is-the-difference-between-barone-adesi-whaley-approximation-and-binomial-tree-pricing-for-american-options)

Compare Barone-Adesi-Whaley approximation O(1) constant-time pricing with binomial trees O(N²) discrete-time simulation for American options. Understand their differences and convergence.

- Tags: deep-dive
- Published: 2026-03-04

### [How the Strategable Trait Hierarchy Organizes Strategy Capabilities in OptionStratLib](/joaquinbejar/optionstratlib/how-does-the-strategable-trait-hierarchy-organize-strategy-capabilities-in-optionstratlib)

Understand how the Strategable trait hierarchy in OptionStratLib unifies option strategies. Discover its organization of Greeks, P&L, probability, and visualization for polymorphic handling and compile-time contracts.

- Tags: internals
- Published: 2026-03-04