/** * Copyright (C) 2011 - present by OpenGamma Inc. and the OpenGamma group of companies * * Please see distribution for license. */ package com.opengamma.analytics.financial.provider.description; import com.opengamma.analytics.financial.model.option.definition.SABRInterestRateParameters; import com.opengamma.analytics.financial.model.volatility.smile.function.SABRFormulaData; import com.opengamma.analytics.financial.model.volatility.smile.function.SABRHaganVolatilityFunction; import com.opengamma.analytics.financial.model.volatility.smile.function.VolatilityFunctionProvider; import com.opengamma.analytics.math.interpolation.CombinedInterpolatorExtrapolatorFactory; import com.opengamma.analytics.math.interpolation.GridInterpolator2D; import com.opengamma.analytics.math.interpolation.Interpolator1D; import com.opengamma.analytics.math.interpolation.Interpolator1DFactory; import com.opengamma.analytics.math.surface.InterpolatedDoublesSurface; /** * Sets of market data used in tests. */ public class SABRDataSets { /** * The linear interpolator/ flat extrapolator. Used for SABR parameters interpolation. */ private static final Interpolator1D LINEAR_FLAT = CombinedInterpolatorExtrapolatorFactory.getInterpolator(Interpolator1DFactory.LINEAR, Interpolator1DFactory.FLAT_EXTRAPOLATOR, Interpolator1DFactory.FLAT_EXTRAPOLATOR); private static final GridInterpolator2D INTERPOLATOR_2D = new GridInterpolator2D(LINEAR_FLAT, LINEAR_FLAT); /** * Create a set of SABR parameter surface (linearly interpolated) with a given SABR function. Expiry is between 0 and 10 years, maturity between 0 and 10 years. * Beta is 0.5. Alpha 0.05 at 1Y and 0.06 at 10Y. Rho 0.50 at 1Y and 0.30 at 10Y. Nu -0.25 at 1Y and 0.00 at 10Y. * @param sabrFunction The SABR function. * @return The SABR parameters parameters. */ public static SABRInterestRateParameters createSABR1(final VolatilityFunctionProvider<SABRFormulaData> sabrFunction) { final InterpolatedDoublesSurface alphaSurface = InterpolatedDoublesSurface.from(new double[] {0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10 }, new double[] {0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 10, 10, 10, 10, 10, 10, 100, 100, 100, 100, 100, 100 }, new double[] {0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.06, 0.06, 0.06, 0.06, 0.06, 0.06, 0.06, 0.06, 0.06, 0.06, 0.06, 0.06 }, INTERPOLATOR_2D); final InterpolatedDoublesSurface betaSurface = InterpolatedDoublesSurface.from(new double[] {0.0, 0.5, 1, 2, 5, 10, 100, 0.0, 0.5, 1, 2, 5, 10, 100, 0.0, 0.5, 1, 2, 5, 10, 100, 0.0, 0.5, 1, 2, 5, 10, 100 }, new double[] {0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 10, 10, 10, 10, 10, 10, 10, 100, 100, 100, 100, 100, 100, 100 }, new double[] {0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5 }, INTERPOLATOR_2D); final InterpolatedDoublesSurface rhoSurface = InterpolatedDoublesSurface.from(new double[] {0.0, 0.5, 1, 2, 5, 10, 100, 0.0, 0.5, 1, 2, 5, 10, 100, 0.0, 0.5, 1, 2, 5, 10, 100, 0.0, 0.5, 1, 2, 5, 10, 100 }, new double[] {0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 10, 10, 10, 10, 10, 10, 10, 100, 100, 100, 100, 100, 100, 100 }, new double[] {-0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00 }, INTERPOLATOR_2D); final InterpolatedDoublesSurface nuSurface = InterpolatedDoublesSurface.from(new double[] {0.0, 0.5, 1, 2, 5, 10, 100, 0.0, 0.5, 1, 2, 5, 10, 100, 0.0, 0.5, 1, 2, 5, 10, 100, 0.0, 0.5, 1, 2, 5, 10, 100 }, new double[] {0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 10, 10, 10, 10, 10, 10, 10, 100, 100, 100, 100, 100, 100, 100 }, new double[] {0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.30, 0.30, 0.30, 0.30, 0.30, 0.30, 0.30, 0.30, 0.30, 0.30, 0.30, 0.30, 0.30, 0.30 }, INTERPOLATOR_2D); return new SABRInterestRateParameters(alphaSurface, betaSurface, rhoSurface, nuSurface, sabrFunction); } /** * Create a set of SABR parameter surface (linearly interpolated) with Hagan volatility function. * @return The SABR parameters parameters. */ public static SABRInterestRateParameters createSABR1() { return createSABR1(new SABRHaganVolatilityFunction()); } /** * Create a set of SABR parameter surface (linearly interpolated) with a given SABR function. Alpha data is bumped by a given shift with respect to SABR1. * @param sabrFunction The SABR function. * @param shift The shift. * @return The SABR parameters parameters. */ public static SABRInterestRateParameters createSABR1AlphaBumped(final VolatilityFunctionProvider<SABRFormulaData> sabrFunction, final double shift) { final InterpolatedDoublesSurface alphaSurface = InterpolatedDoublesSurface.from(new double[] {0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10 }, new double[] {0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 10, 10, 10, 10, 10, 10 }, new double[] {0.05 + shift, 0.05 + shift, 0.05 + shift, 0.05 + shift, 0.05 + shift, 0.05 + shift, 0.05 + shift, 0.05 + shift, 0.05 + shift, 0.05 + shift, 0.05 + shift, 0.05 + shift, 0.06 + shift, 0.06 + shift, 0.06 + shift, 0.06 + shift, 0.06 + shift, 0.06 + shift }, INTERPOLATOR_2D); final InterpolatedDoublesSurface betaSurface = InterpolatedDoublesSurface.from(new double[] {0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10 }, new double[] {0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 10, 10, 10, 10, 10, 10 }, new double[] {0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5 }, INTERPOLATOR_2D); final InterpolatedDoublesSurface rhoSurface = InterpolatedDoublesSurface.from(new double[] {0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10 }, new double[] {0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 10, 10, 10, 10, 10, 10 }, new double[] {-0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00 }, INTERPOLATOR_2D); final InterpolatedDoublesSurface nuSurface = InterpolatedDoublesSurface.from(new double[] {0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10 }, new double[] {0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 10, 10, 10, 10, 10, 10 }, new double[] {0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.30, 0.30, 0.30, 0.30, 0.30, 0.30 }, INTERPOLATOR_2D); return new SABRInterestRateParameters(alphaSurface, betaSurface, rhoSurface, nuSurface, sabrFunction); } /** * Create a set of SABR parameter surface (linearly interpolated) with a given SABR function. Alpha data is bumped by 0.0001 with respect to SABR1. * @param sabrFunction The SABR function. * @return The SABR parameters parameters. */ public static SABRInterestRateParameters createSABR1AlphaBumped(final VolatilityFunctionProvider<SABRFormulaData> sabrFunction) { final double shift = 0.0001; return createSABR1AlphaBumped(sabrFunction, shift); } /** * Create a set of SABR parameter surface (linearly interpolated) with Hagan volatility function. Alpha data is bumped by a given shift with respect to SABR1. * @param shift The shift. * @return The SABR parameters parameters. */ public static SABRInterestRateParameters createSABR1AlphaBumped(final double shift) { return createSABR1AlphaBumped(new SABRHaganVolatilityFunction(), shift); } /** * Create a set of SABR parameter surface (linearly interpolated) with Hagan volatility function. Alpha data is bumped by 0.0001 with respect to SABR1. * @return The SABR parameters parameters. */ public static SABRInterestRateParameters createSABR1AlphaBumped() { return createSABR1AlphaBumped(new SABRHaganVolatilityFunction()); } /** * Create a set of SABR parameter surface (linearly interpolated) with a given SABR function. Beta data is bumped by a given shift with respect to SABR1. * @param sabrFunction The SABR function. * @param shift The shift. * @return The SABR parameters parameters. */ public static SABRInterestRateParameters createSABR1BetaBumped(final VolatilityFunctionProvider<SABRFormulaData> sabrFunction, final double shift) { final InterpolatedDoublesSurface alphaSurface = InterpolatedDoublesSurface.from(new double[] {0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10 }, new double[] {0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 10, 10, 10, 10, 10, 10, 100, 100, 100, 100, 100, 100 }, new double[] {0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.06, 0.06, 0.06, 0.06, 0.06, 0.06, 0.06, 0.06, 0.06, 0.06, 0.06, 0.06 }, INTERPOLATOR_2D); final InterpolatedDoublesSurface betaSurface = InterpolatedDoublesSurface.from(new double[] {0.0, 0.5, 1, 2, 5, 10, 100, 0.0, 0.5, 1, 2, 5, 10, 100, 0.0, 0.5, 1, 2, 5, 10, 100, 0.0, 0.5, 1, 2, 5, 10, 100 }, new double[] {0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 10, 10, 10, 10, 10, 10, 10, 100, 100, 100, 100, 100, 100, 100 }, new double[] {0.5 + shift, 0.5 + shift, 0.5 + shift, 0.5 + shift, 0.5 + shift, 0.5 + shift, 0.5 + shift, 0.5 + shift, 0.5 + shift, 0.5 + shift, 0.5 + shift, 0.5 + shift, 0.5 + shift, 0.5 + shift, 0.5 + shift, 0.5 + shift, 0.5 + shift, 0.5 + shift, 0.5 + shift, 0.5 + shift, 0.5 + shift, 0.5 + shift, 0.5 + shift, 0.5 + shift, 0.5 + shift, 0.5 + shift, 0.5 + shift, 0.5 + shift }, INTERPOLATOR_2D); final InterpolatedDoublesSurface rhoSurface = InterpolatedDoublesSurface.from(new double[] {0.0, 0.5, 1, 2, 5, 10, 100, 0.0, 0.5, 1, 2, 5, 10, 100, 0.0, 0.5, 1, 2, 5, 10, 100, 0.0, 0.5, 1, 2, 5, 10, 100 }, new double[] {0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 10, 10, 10, 10, 10, 10, 10, 100, 100, 100, 100, 100, 100, 100 }, new double[] {-0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00 }, INTERPOLATOR_2D); final InterpolatedDoublesSurface nuSurface = InterpolatedDoublesSurface.from(new double[] {0.0, 0.5, 1, 2, 5, 10, 100, 0.0, 0.5, 1, 2, 5, 10, 100, 0.0, 0.5, 1, 2, 5, 10, 100, 0.0, 0.5, 1, 2, 5, 10, 100 }, new double[] {0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 10, 10, 10, 10, 10, 10, 10, 100, 100, 100, 100, 100, 100, 100 }, new double[] {0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.30, 0.30, 0.30, 0.30, 0.30, 0.30, 0.30, 0.30, 0.30, 0.30, 0.30, 0.30, 0.30, 0.30 }, INTERPOLATOR_2D); return new SABRInterestRateParameters(alphaSurface, betaSurface, rhoSurface, nuSurface, sabrFunction); } /** * Create a set of SABR parameter surface (linearly interpolated) with Hagan volatility function. Beta data is bumped by a given shift with respect to SABR1. * @param shift The shift. * @return The SABR parameters parameters. */ public static SABRInterestRateParameters createSABR1BetaBumped(final double shift) { return createSABR1BetaBumped(new SABRHaganVolatilityFunction(), shift); } /** * Create a set of SABR parameter surface (linearly interpolated) with a given SABR function. Rho data is bumped by the shift with respect to SABR1. * @return The SABR parameters parameters. */ public static SABRInterestRateParameters createSABR1RhoBumped(final VolatilityFunctionProvider<SABRFormulaData> sabrFunction, final double shift) { final InterpolatedDoublesSurface alphaSurface = InterpolatedDoublesSurface.from(new double[] {0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10 }, new double[] {0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 10, 10, 10, 10, 10, 10 }, new double[] {0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.06, 0.06, 0.06, 0.06, 0.06, 0.06 }, INTERPOLATOR_2D); final InterpolatedDoublesSurface betaSurface = InterpolatedDoublesSurface.from(new double[] {0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10 }, new double[] {0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 10, 10, 10, 10, 10, 10 }, new double[] {0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5 }, INTERPOLATOR_2D); final InterpolatedDoublesSurface rhoSurface = InterpolatedDoublesSurface.from(new double[] {0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10 }, new double[] {0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 10, 10, 10, 10, 10, 10 }, new double[] {-0.25 + shift, -0.25 + shift, -0.25 + shift, -0.25 + shift, -0.25 + shift, -0.25 + shift, -0.25 + shift, -0.25 + shift, -0.25 + shift, -0.25 + shift, -0.25 + shift, -0.25 + shift, 0.00 + shift, 0.00 + shift, 0.00 + shift, 0.00 + shift, 0.00 + shift, 0.00 + shift }, INTERPOLATOR_2D); final InterpolatedDoublesSurface nuSurface = InterpolatedDoublesSurface.from(new double[] {0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10 }, new double[] {0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 10, 10, 10, 10, 10, 10 }, new double[] {0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.50, 0.30, 0.30, 0.30, 0.30, 0.30, 0.30 }, INTERPOLATOR_2D); return new SABRInterestRateParameters(alphaSurface, betaSurface, rhoSurface, nuSurface, sabrFunction); } /** * Create a set of SABR parameter surface (linearly interpolated) with a given SABR function. Rho data is bumped by 0.0001 with respect to SABR1. * @param sabrFunction The SABR function. * @return The SABR parameters parameters. */ public static SABRInterestRateParameters createSABR1RhoBumped(final VolatilityFunctionProvider<SABRFormulaData> sabrFunction) { final double shift = 0.0001; return createSABR1RhoBumped(sabrFunction, shift); } /** * Create a set of SABR parameter surface (linearly interpolated) with Hagan volatility function. Alpha data is bumped by a given shift with respect to SABR1. * @param shift The shift. * @return The SABR parameters parameters. */ public static SABRInterestRateParameters createSABR1RhoBumped(final double shift) { return createSABR1RhoBumped(new SABRHaganVolatilityFunction(), shift); } /** * Create a set of SABR parameter surface (linearly interpolated) with Hagan volatility function. Alpha data is bumped by 0.0001 with respect to SABR1. * @return The SABR parameters parameters. */ public static SABRInterestRateParameters createSABR1RhoBumped() { final double shift = 0.0001; return createSABR1RhoBumped(new SABRHaganVolatilityFunction(), shift); } /** * Create a set of SABR parameter surface (linearly interpolated) with a given SABR function. Nu data is bumped by 0.0001 with respect to SABR1. * @return The SABR parameters parameters. */ public static SABRInterestRateParameters createSABR1NuBumped(final VolatilityFunctionProvider<SABRFormulaData> sabrFunction, final double shift) { final InterpolatedDoublesSurface alphaSurface = InterpolatedDoublesSurface.from(new double[] {0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10 }, new double[] {0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 10, 10, 10, 10, 10, 10 }, new double[] {0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.06, 0.06, 0.06, 0.06, 0.06, 0.06 }, INTERPOLATOR_2D); final InterpolatedDoublesSurface betaSurface = InterpolatedDoublesSurface.from(new double[] {0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10 }, new double[] {0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 10, 10, 10, 10, 10, 10 }, new double[] {0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5 }, INTERPOLATOR_2D); final InterpolatedDoublesSurface rhoSurface = InterpolatedDoublesSurface.from(new double[] {0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10 }, new double[] {0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 10, 10, 10, 10, 10, 10 }, new double[] {-0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, -0.25, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00 }, INTERPOLATOR_2D); final InterpolatedDoublesSurface nuSurface = InterpolatedDoublesSurface.from(new double[] {0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10, 0.0, 0.5, 1, 2, 5, 10 }, new double[] {0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 10, 10, 10, 10, 10, 10 }, new double[] {0.50 + shift, 0.50 + shift, 0.50 + shift, 0.50 + shift, 0.50 + shift, 0.50 + shift, 0.50 + shift, 0.50 + shift, 0.50 + shift, 0.50 + shift, 0.50 + shift, 0.50 + shift, 0.30 + shift, 0.30 + shift, 0.30 + shift, 0.30 + shift, 0.30 + shift, 0.30 + shift }, INTERPOLATOR_2D); return new SABRInterestRateParameters(alphaSurface, betaSurface, rhoSurface, nuSurface, sabrFunction); } /** * Create a set of SABR parameter surface (linearly interpolated) with a given SABR function. Nu data is bumped by 0.0001 with respect to SABR1. * @param sabrFunction The SABR function. * @return The SABR parameters parameters. */ public static SABRInterestRateParameters createSABR1NuBumped(final VolatilityFunctionProvider<SABRFormulaData> sabrFunction) { final double shift = 0.0001; return createSABR1NuBumped(sabrFunction, shift); } /** * Create a set of SABR parameter surface (linearly interpolated) with Hagan volatility function. Nu data is bumped by a given shift with respect to SABR1. * @param shift The shift. * @return The SABR parameters parameters. */ public static SABRInterestRateParameters createSABR1NuBumped(final double shift) { return createSABR1NuBumped(new SABRHaganVolatilityFunction(), shift); } /** * Create a set of SABR parameter surface (linearly interpolated) with Hagan volatility function. Nu data is bumped by 0.0001 with respect to SABR1. * @return The SABR parameters parameters. */ public static SABRInterestRateParameters createSABR1NuBumped() { final double shift = 0.0001; return createSABR1NuBumped(new SABRHaganVolatilityFunction(), shift); } public static SABRInterestRateParameters createSABR1ParameterBumped(final double shift, final int parameterNumber) { switch (parameterNumber) { case 0: return createSABR1AlphaBumped(new SABRHaganVolatilityFunction(), shift); case 1: return createSABR1RhoBumped(new SABRHaganVolatilityFunction(), shift); case 2: return createSABR1NuBumped(new SABRHaganVolatilityFunction(), shift); default: return null; } } /** * Create a set of SABR parameter surface (linearly interpolated and flat extrapolated) with a given SABR function. * The expirations and tenors are not on a full grid (short expiries with shorter tenors). * @return The SABR parameters parameters. */ public static SABRInterestRateParameters createSABR2() { final InterpolatedDoublesSurface alphaSurface = InterpolatedDoublesSurface.from(new double[] {0.25, 0.25, 0.25, 0.50, 0.50, 0.50, 0.50, 1.0, 1.0, 1.0, 1.0, 1.0, 5.0, 5.0, 5.0, 5.0, 10.0, 10.0, 10.0, 10.0, 20.0, 20.0, 20.0 }, new double[] {1.0, 2.0, 5.0, 1.0, 2.0, 5.0, 10.0, 1.0, 2.0, 5.0, 10.0, 20, 2.0, 5.0, 10.0, 20.0, 2.0, 5.0, 10.0, 20.0, 5.0, 10.0, 20.0 }, new double[] {0.05, 0.06, 0.07, 0.04, 0.05, 0.06, 0.07, 0.03, 0.04, 0.05, 0.06, 0.07, 0.03, 0.04, 0.05, 0.06, 0.03, 0.04, 0.05, 0.06, 0.04, 0.05, 0.06 }, INTERPOLATOR_2D); final InterpolatedDoublesSurface betaSurface = InterpolatedDoublesSurface.from(new double[] {0.25, 0.25, 0.25, 0.50, 0.50, 0.50, 0.50, 1.0, 1.0, 1.0, 1.0, 1.0, 5.0, 5.0, 5.0, 5.0, 10.0, 10.0, 10.0, 10.0, 20.0, 20.0, 20.0 }, new double[] {1.0, 2.0, 5.0, 1.0, 2.0, 5.0, 10.0, 1.0, 2.0, 5.0, 10.0, 20, 2.0, 5.0, 10.0, 20.0, 2.0, 5.0, 10.0, 20.0, 5.0, 10.0, 20.0 }, new double[] {0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5 }, INTERPOLATOR_2D); final InterpolatedDoublesSurface rhoSurface = InterpolatedDoublesSurface.from(new double[] {0.25, 0.25, 0.25, 0.50, 0.50, 0.50, 0.50, 1.0, 1.0, 1.0, 1.0, 1.0, 5.0, 5.0, 5.0, 5.0, 10.0, 10.0, 10.0, 10.0, 20.0, 20.0, 20.0 }, new double[] {1.0, 2.0, 5.0, 1.0, 2.0, 5.0, 10.0, 1.0, 2.0, 5.0, 10.0, 20, 2.0, 5.0, 10.0, 20.0, 2.0, 5.0, 10.0, 20.0, 5.0, 10.0, 20.0 }, new double[] {-0.25, -0.25, -0.25, -0.10, -0.10, -0.10, -0.10, -0.10, -0.10, -0.10, -0.10, -0.10, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.10, 0.10, 0.10 }, INTERPOLATOR_2D); final InterpolatedDoublesSurface nuSurface = InterpolatedDoublesSurface.from(new double[] {0.25, 0.25, 0.25, 0.50, 0.50, 0.50, 0.50, 1.0, 1.0, 1.0, 1.0, 1.0, 5.0, 5.0, 5.0, 5.0, 10.0, 10.0, 10.0, 10.0, 20.0, 20.0, 20.0 }, new double[] {1.0, 2.0, 5.0, 1.0, 2.0, 5.0, 10.0, 1.0, 2.0, 5.0, 10.0, 20, 2.0, 5.0, 10.0, 20.0, 2.0, 5.0, 10.0, 20.0, 5.0, 10.0, 20.0 }, new double[] {0.50, 0.50, 0.50, 0.40, 0.40, 0.40, 0.40, 0.40, 0.40, 0.40, 0.40, 0.40, 0.40, 0.40, 0.40, 0.40, 0.35, 0.35, 0.35, 0.35, 0.35, 0.35, 0.35 }, INTERPOLATOR_2D); return new SABRInterestRateParameters(alphaSurface, betaSurface, rhoSurface, nuSurface, new SABRHaganVolatilityFunction()); } /** * Create a set of SABR parameter surface (linearly interpolated and flat extrapolated) with a given SABR function. * The expirations and tenors are not on a full grid (short expiries with shorter tenors). * @return The SABR parameters parameters. */ public static SABRInterestRateParameters createSABR3() { final InterpolatedDoublesSurface alphaSurface = InterpolatedDoublesSurface.from(new double[] {0.25, 0.25, 0.25, 0.50, 0.50, 0.50, 0.50, 1.0, 1.0, 1.0, 1.0, 1.0, 5.0, 5.0, 5.0, 5.0, 10.0, 10.0, 10.0, 10.0, 20.0, 20.0, 20.0 }, new double[] {1.0, 2.0, 5.0, 1.0, 2.0, 5.0, 10.0, 1.0, 2.0, 5.0, 10.0, 20, 2.0, 5.0, 10.0, 20.0, 2.0, 5.0, 10.0, 20.0, 5.0, 10.0, 20.0 }, new double[] {0.03, 0.03, 0.03, 0.03, 0.03, 0.03, 0.03, 0.03, 0.03, 0.03, 0.03, 0.03, 0.026, 0.026, 0.022, 0.020, 0.029, 0.028, 0.027, 0.026, 0.03, 0.031, 0.032 }, INTERPOLATOR_2D); final InterpolatedDoublesSurface betaSurface = InterpolatedDoublesSurface.from(new double[] {0.25, 0.25, 0.25, 0.50, 0.50, 0.50, 0.50, 1.0, 1.0, 1.0, 1.0, 1.0, 5.0, 5.0, 5.0, 5.0, 10.0, 10.0, 10.0, 10.0, 20.0, 20.0, 20.0 }, new double[] {1.0, 2.0, 5.0, 1.0, 2.0, 5.0, 10.0, 1.0, 2.0, 5.0, 10.0, 20, 2.0, 5.0, 10.0, 20.0, 2.0, 5.0, 10.0, 20.0, 5.0, 10.0, 20.0 }, new double[] {0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25, 0.25 }, INTERPOLATOR_2D); final InterpolatedDoublesSurface rhoSurface = InterpolatedDoublesSurface.from(new double[] {0.25, 0.25, 0.25, 0.50, 0.50, 0.50, 0.50, 1.0, 1.0, 1.0, 1.0, 1.0, 5.0, 5.0, 5.0, 5.0, 10.0, 10.0, 10.0, 10.0, 20.0, 20.0, 20.0 }, new double[] {1.0, 2.0, 5.0, 1.0, 2.0, 5.0, 10.0, 1.0, 2.0, 5.0, 10.0, 20, 2.0, 5.0, 10.0, 20.0, 2.0, 5.0, 10.0, 20.0, 5.0, 10.0, 20.0 }, new double[] {-0.15, -0.15, -0.15, -0.10, -0.10, -0.10, -0.10, -0.10, -0.10, -0.10, -0.10, -0.10, -0.00, 0.25, 0.10, 0.40, 0.00, 0.00, 0.00, 0.00, 0.10, 0.10, 0.10 }, INTERPOLATOR_2D); final InterpolatedDoublesSurface nuSurface = InterpolatedDoublesSurface.from(new double[] {0.25, 0.25, 0.25, 0.50, 0.50, 0.50, 0.50, 1.0, 1.0, 1.0, 1.0, 1.0, 5.0, 5.0, 5.0, 5.0, 10.0, 10.0, 10.0, 10.0, 20.0, 20.0, 20.0 }, new double[] {1.0, 2.0, 5.0, 1.0, 2.0, 5.0, 10.0, 1.0, 2.0, 5.0, 10.0, 20, 2.0, 5.0, 10.0, 20.0, 2.0, 5.0, 10.0, 20.0, 5.0, 10.0, 20.0 }, new double[] {0.50, 0.50, 0.50, 0.40, 0.40, 0.40, 0.40, 0.40, 0.40, 0.40, 0.40, 0.40, 0.45, 0.25, 0.25, 0.40, 0.35, 0.35, 0.35, 0.35, 0.35, 0.35, 0.35 }, INTERPOLATOR_2D); return new SABRInterestRateParameters(alphaSurface, betaSurface, rhoSurface, nuSurface, new SABRHaganVolatilityFunction()); } }