BasketAggregateMeasuresGeneration.java

package org.drip.sample.bond;

/*
 * Credit Product Imports
 */

import java.util.List;

import org.drip.analytics.date.*;
import org.drip.analytics.daycount.Convention;
import org.drip.analytics.support.*;
import org.drip.numerical.common.*;
import org.drip.param.market.CurveSurfaceQuoteContainer;
import org.drip.param.period.*;
import org.drip.param.pricer.CreditPricerParams;
import org.drip.param.valuation.*;
import org.drip.product.creator.*;
import org.drip.product.credit.*;
import org.drip.product.definition.*;
import org.drip.product.rates.*;
import org.drip.service.env.EnvManager;
import org.drip.state.creator.ScenarioDiscountCurveBuilder;
import org.drip.state.discount.MergedDiscountForwardCurve;
import org.drip.state.identifier.ForwardLabel;

/*
 * -*- mode: java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 */

/*!
 * Copyright (C) 2020 Lakshmi Krishnamurthy
 * Copyright (C) 2019 Lakshmi Krishnamurthy
 * Copyright (C) 2018 Lakshmi Krishnamurthy
 * Copyright (C) 2017 Lakshmi Krishnamurthy
 * Copyright (C) 2016 Lakshmi Krishnamurthy
 * Copyright (C) 2015 Lakshmi Krishnamurthy
 * Copyright (C) 2014 Lakshmi Krishnamurthy
 * Copyright (C) 2013 Lakshmi Krishnamurthy
 * 
 *  This file is part of DROP, an open-source library targeting analytics/risk, transaction cost analytics,
 *  	asset liability management analytics, capital, exposure, and margin analytics, valuation adjustment
 *  	analytics, and portfolio construction analytics within and across fixed income, credit, commodity,
 *  	equity, FX, and structured products. It also includes auxiliary libraries for algorithm support,
 *  	numerical analysis, numerical optimization, spline builder, model validation, statistical learning,
 *  	and computational support.
 *  
 *  	https://lakshmidrip.github.io/DROP/
 *  
 *  DROP is composed of three modules:
 *  
 *  - DROP Product Core - https://lakshmidrip.github.io/DROP-Product-Core/
 *  - DROP Portfolio Core - https://lakshmidrip.github.io/DROP-Portfolio-Core/
 *  - DROP Computational Core - https://lakshmidrip.github.io/DROP-Computational-Core/
 * 
 * 	DROP Product Core implements libraries for the following:
 * 	- Fixed Income Analytics
 * 	- Loan Analytics
 * 	- Transaction Cost Analytics
 * 
 * 	DROP Portfolio Core implements libraries for the following:
 * 	- Asset Allocation Analytics
 *  - Asset Liability Management Analytics
 * 	- Capital Estimation Analytics
 * 	- Exposure Analytics
 * 	- Margin Analytics
 * 	- XVA Analytics
 * 
 * 	DROP Computational Core implements libraries for the following:
 * 	- Algorithm Support
 * 	- Computation Support
 * 	- Function Analysis
 *  - Model Validation
 * 	- Numerical Analysis
 * 	- Numerical Optimizer
 * 	- Spline Builder
 *  - Statistical Learning
 * 
 * 	Documentation for DROP is Spread Over:
 * 
 * 	- Main                     => https://lakshmidrip.github.io/DROP/
 * 	- Wiki                     => https://github.com/lakshmiDRIP/DROP/wiki
 * 	- GitHub                   => https://github.com/lakshmiDRIP/DROP
 * 	- Repo Layout Taxonomy     => https://github.com/lakshmiDRIP/DROP/blob/master/Taxonomy.md
 * 	- Javadoc                  => https://lakshmidrip.github.io/DROP/Javadoc/index.html
 * 	- Technical Specifications => https://github.com/lakshmiDRIP/DROP/tree/master/Docs/Internal
 * 	- Release Versions         => https://lakshmidrip.github.io/DROP/version.html
 * 	- Community Credits        => https://lakshmidrip.github.io/DROP/credits.html
 * 	- Issues Catalog           => https://github.com/lakshmiDRIP/DROP/issues
 * 	- JUnit                    => https://lakshmidrip.github.io/DROP/junit/index.html
 * 	- Jacoco                   => https://lakshmidrip.github.io/DROP/jacoco/index.html
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *   	you may not use this file except in compliance with the License.
 *   
 *  You may obtain a copy of the License at
 *  	http://www.apache.org/licenses/LICENSE-2.0
 *  
 *  Unless required by applicable law or agreed to in writing, software
 *  	distributed under the License is distributed on an "AS IS" BASIS,
 *  	WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  
 *  See the License for the specific language governing permissions and
 *  	limitations under the License.
 */

/**
 * <i>BasketAggregateMeasuresGeneration</i> contains a demo of the bond basket Measure generation Sample. It
 * shows the following:
 *  
 * <br><br>
 * 	<ul>
 * 		<li>
 * 			Build the IR Curve from the Rates' instruments.
 * 		</li>
 * 		<li>
 * 			Build the Component Credit Curve from the CDS instruments.
 * 		</li>
 * 		<li>
 * 			Create the basket market parameters and add the named discount curve and the credit curves to it.
 * 		</li>
 * 		<li>
 * 			Create the bond basket from the component bonds and their weights.
 * 		</li>
 * 		<li>
 * 			Construct the Valuation and the Pricing Parameters.
 * 		</li>
 * 		<li>
 * 			Generate the bond basket measures from the valuation, the pricer, and the market parameters.
 * 		</li>
 * 	</ul>
 * <br><br>
 *  
 * <br><br>
 *  <ul>
 *		<li><b>Module </b> = <a href = "https://github.com/lakshmiDRIP/DROP/tree/master/ProductCore.md">Product Core Module</a></li>
 *		<li><b>Library</b> = <a href = "https://github.com/lakshmiDRIP/DROP/tree/master/FixedIncomeAnalyticsLibrary.md">Fixed Income Analytics</a></li>
 *		<li><b>Project</b> = <a href = "https://github.com/lakshmiDRIP/DROP/tree/master/src/main/java/org/drip/sample/README.md">DROP API Construction and Usage</a></li>
 *		<li><b>Package</b> = <a href = "https://github.com/lakshmiDRIP/DROP/tree/master/src/main/java/org/drip/sample/bond/README.md">Bullet, EOS Bond Metrics + Curve</a></li>
 *  </ul>
 * <br><br>
 * 
 * @author Lakshmi Krishnamurthy
 */

public class BasketAggregateMeasuresGeneration {

	private static final FixFloatComponent IRS (
		final JulianDate dtEffective,
		final String strCurrency,
		final String strMaturityTenor,
		final double dblCoupon)
		throws Exception
	{
		UnitCouponAccrualSetting ucasFixed = new UnitCouponAccrualSetting (
			2,
			"Act/360",
			false,
			"Act/360",
			false,
			strCurrency,
			true,
			CompositePeriodBuilder.ACCRUAL_COMPOUNDING_RULE_GEOMETRIC
		);

		ComposableFloatingUnitSetting cfusFloating = new ComposableFloatingUnitSetting (
			"3M",
			CompositePeriodBuilder.EDGE_DATE_SEQUENCE_REGULAR,
			null,
			ForwardLabel.Create (
				strCurrency,
				"3M"
			),
			CompositePeriodBuilder.REFERENCE_PERIOD_IN_ADVANCE,
			0.
		);

		ComposableFixedUnitSetting cfusFixed = new ComposableFixedUnitSetting (
			"6M",
			CompositePeriodBuilder.EDGE_DATE_SEQUENCE_REGULAR,
			null,
			dblCoupon,
			0.,
			strCurrency
		);

		CompositePeriodSetting cpsFloating = new CompositePeriodSetting (
			4,
			"3M",
			strCurrency,
			null,
			-1.,
			null,
			null,
			null,
			null
		);

		CompositePeriodSetting cpsFixed = new CompositePeriodSetting (
			2,
			"6M",
			strCurrency,
			null,
			1.,
			null,
			null,
			null,
			null
		);

		CashSettleParams csp = new CashSettleParams (
			0,
			strCurrency,
			0
		);

		List<Integer> lsFixedStreamEdgeDate = CompositePeriodBuilder.RegularEdgeDates (
			dtEffective,
			"6M",
			strMaturityTenor,
			null
		);

		List<Integer> lsFloatingStreamEdgeDate = CompositePeriodBuilder.RegularEdgeDates (
			dtEffective,
			"3M",
			strMaturityTenor,
			null
		);

		Stream floatingStream = new Stream (
			CompositePeriodBuilder.FloatingCompositeUnit (
				lsFloatingStreamEdgeDate,
				cpsFloating,
				cfusFloating
			)
		);

		Stream fixedStream = new Stream (
			CompositePeriodBuilder.FixedCompositeUnit (
				lsFixedStreamEdgeDate,
				cpsFixed,
				ucasFixed,
				cfusFixed
			)
		);

		FixFloatComponent irs = new FixFloatComponent (
			fixedStream,
			floatingStream,
			csp
		);

		irs.setPrimaryCode ("IRS." + strMaturityTenor + "." + strCurrency);

		return irs;
	}

	/*
	 * Sample demonstrating creation of a rates curve from instruments
	 * 
	 *  	USE WITH CARE: This sample ignores errors and does not handle exceptions.
	 */

	private static MergedDiscountForwardCurve BuildRatesCurveFromInstruments (
		final JulianDate dtStart,
		final String[] astrCashTenor,
		final double[] adblCashRate,
		final String[] astrIRSTenor,
		final double[] adblIRSRate,
		final double dblBump,
		final String strCurrency)
		throws Exception
	{
		int iNumDCInstruments = astrCashTenor.length + adblIRSRate.length;
		int aiDate[] = new int[iNumDCInstruments];
		double adblRate[] = new double[iNumDCInstruments];
		String astrCalibMeasure[] = new String[iNumDCInstruments];
		double adblCompCalibValue[] = new double[iNumDCInstruments];
		CalibratableComponent aCompCalib[] = new CalibratableComponent[iNumDCInstruments];

		// Cash Calibration

		JulianDate dtCashEffective = dtStart.addBusDays (1, strCurrency);

		for (int i = 0; i < astrCashTenor.length; ++i) {
			astrCalibMeasure[i] = "Rate";
			adblRate[i] = java.lang.Double.NaN;
			adblCompCalibValue[i] = adblCashRate[i] + dblBump;

			aCompCalib[i] = SingleStreamComponentBuilder.Deposit (
				dtCashEffective,
				new JulianDate (aiDate[i] = dtCashEffective.addTenor (astrCashTenor[i]).julian()),
				ForwardLabel.Create (
					strCurrency,
					astrCashTenor[i]
				)
			);
		}

		// IRS Calibration

		JulianDate dtIRSEffective = dtStart.addBusDays (
			2,
			strCurrency
		);

		for (int i = 0; i < astrIRSTenor.length; ++i) {
			astrCalibMeasure[i + astrCashTenor.length] = "Rate";
			adblRate[i + astrCashTenor.length] = java.lang.Double.NaN;
			adblCompCalibValue[i + astrCashTenor.length] = adblIRSRate[i] + dblBump;

			aiDate[i + astrCashTenor.length] = dtIRSEffective.addTenor (astrIRSTenor[i]).julian();

			aCompCalib[i + astrCashTenor.length] = IRS (
				dtIRSEffective,
				strCurrency,
				astrIRSTenor[i],
				0.
			);
		}

		/*
		 * Build the IR curve from the components, their calibration measures, and their calibration quotes.
		 */

		return ScenarioDiscountCurveBuilder.NonlinearBuild (
			dtStart,
			strCurrency,
			aCompCalib,
			adblCompCalibValue,
			astrCalibMeasure,
			null
		);
	}

	/*
	 * Sample demonstrating creation of simple fixed coupon treasury bond
	 * 
	 *  	USE WITH CARE: This sample ignores errors and does not handle exceptions.
	 */

	private static final Bond CreateTSYBond (
		final String strName,
		final double dblCoupon,
		final JulianDate dt,
		final String strTenor)
		throws Exception
	{
		return BondBuilder.CreateSimpleFixed (	// Simple Fixed Rate Bond
			strName,					// Name
			"USD",					// Fictitious Treasury Curve Name
            "",                         // Credit Curve - Empty for now
			dblCoupon,					// Bond Coupon
			2, 							// Frequency
			"Act/Act",					// Day Count
			dt, 						// Effective
			dt.addTenor (strTenor),		// Maturity
			null,						// Principal Schedule
			null
		);
	}

	/*
	 * Sample demonstrating creation of a set of the on-the-run treasury bonds
	 * 
	 *  	USE WITH CARE: This sample ignores errors and does not handle exceptions.
	 */

	private static final Bond[] CreateOnTheRunTSYBondSet (
		final JulianDate dt,
		final String[] astrTenor,
		final double[] adblCoupon)
		throws Exception
	{
		Bond aTSYBond[] = new Bond[astrTenor.length];

		for (int i = 0; i < astrTenor.length; ++i)
			aTSYBond[i] = CreateTSYBond (
				"TSY" + astrTenor[i] + "ON",
				adblCoupon[i],
				dt,
				astrTenor[i]
			);

		return aTSYBond;
	}

	/*
	 * Sample demonstrating building of the treasury discount curve based off the on-the run instruments and their yields
	 * 
	 *  	USE WITH CARE: This sample ignores errors and does not handle exceptions.
	 */

	private static final MergedDiscountForwardCurve BuildOnTheRunTSYDiscountCurve (
		final JulianDate dt,
		final Bond[] aTSYBond,
		final double[] adblTSYYield)
		throws Exception
	{
		String astrCalibMeasure[] = new String[aTSYBond.length];

		for (int i = 0; i < aTSYBond.length; ++i)
			astrCalibMeasure[i] = "Yield";

		return ScenarioDiscountCurveBuilder.NonlinearBuild (
			dt,
			"USD", // Fake curve name to indicate it is a USD TSY curve, not the usual USD curve
			aTSYBond,
			adblTSYYield,
			astrCalibMeasure,
			null
		);
	}

	/*
	 * Sample demonstrating creation of the principal factor schedule from date and factor array
	 * 
	 *  	USE WITH CARE: This sample ignores errors and does not handle exceptions.
	 */

	private static final Array2D MakeFSPrincipal()
		throws Exception
	{
		double[] aiDate = new double[5];
		double[] adblFactor = new double[] {1., 1.0, 1.0, 1.0, 1.0};
		// double[] adblFactor = new double[] {1., 0.9, 0.8, 0.7, 0.6};

		JulianDate dtEOSStart = DateUtil.Today().addDays (2);

		for (int i = 0; i < 5; ++i)
			aiDate[i] = dtEOSStart.addYears (i + 2).julian();

		return Array2D.FromArray (
			aiDate,
			adblFactor
		);
	}

	/*
	 * Sample demonstrating creation of the coupon factor schedule from date and factor array
	 * 
	 *  	USE WITH CARE: This sample ignores errors and does not handle exceptions.
	 */

	private static final Array2D MakeFSCoupon()
		throws Exception
	{
		double[] aiDate = new double[5];
		double[] adblFactor = new double[] {1., 1.0, 1.0, 1.0, 1.0};
		// double[] adblFactor = new double[] {1., 0.9, 0.8, 0.7, 0.6};

		JulianDate dtEOSStart = DateUtil.Today().addDays (2);

		for (int i = 0; i < 5; ++i)
			aiDate[i] = dtEOSStart.addYears (i + 2).julian();

		return Array2D.FromArray (
			aiDate,
			adblFactor
		);
	}

	/*
	 * Sample demonstrating the creation/usage of the bond basket API
	 * 
	 *  	USE WITH CARE: This sample ignores errors and does not handle exceptions.
	 */

	private static final void BasketBondAPISample()
		throws Exception
	{
		JulianDate dtCurve = DateUtil.CreateFromYMD (
			2013,
			6,
			27
		);

		JulianDate dtSettle = DateUtil.CreateFromYMD (
			2013,
			7,
			1
		);

		/*
		 * Build the IR Curve from the Rates' instruments
		 */

		String[] astrCashTenor = new String[] {"3M"};
		double[] adblCashRate = new double[] {0.00276};
		String[] astrIRSTenor = new String[] {   "1Y",    "2Y",    "3Y",    "4Y",    "5Y",    "6Y",    "7Y",
			   "8Y",    "9Y",   "10Y",   "11Y",   "12Y",   "15Y",   "20Y",   "25Y",   "30Y",   "40Y",   "50Y"};
		double[] adblIRSRate = new double[]  {0.00367, 0.00533, 0.00843, 0.01238, 0.01609, 0.01926, 0.02191,
			0.02406, 0.02588, 0.02741, 0.02870, 0.02982, 0.03208, 0.03372, 0.03445, 0.03484, 0.03501, 0.03484};

		MergedDiscountForwardCurve dc = BuildRatesCurveFromInstruments (dtCurve, astrCashTenor, adblCashRate, astrIRSTenor, adblIRSRate, 0., "USD");

		/*
		 * Construct the set of Treasury instruments (in the case on-the-run set)
		 */

		String[] astrTSYTenor = new String[] {
			"1Y", "2Y", "3Y", "5Y", "7Y", "10Y", "30Y"
		};
		final double[] adblTSYCoupon = new double[] {
			0.0000, 0.00375, 0.00500, 0.0100, 0.01375, 0.01375, 0.02875
		};

		Bond[] aTSYBond = CreateOnTheRunTSYBondSet (
			dtCurve,
			astrTSYTenor,
			adblTSYCoupon
		);

		/*
		 * Build the Treasury Curve from the Treasury instruments and their yields
		 */

		double[] adblTSYYield = new double[] {
			0.00160, 0.00397, 0.00696, 0.01421, 0.01955, 0.02529, 0.03568
		};

		MergedDiscountForwardCurve dcTSY = BuildOnTheRunTSYDiscountCurve (
			dtCurve,
			aTSYBond,
			adblTSYYield
		);

		/*
		 * Construct the set of bonds and load them onto the basket
		 */

		BondComponent bond1 = BondBuilder.CreateSimpleFixed (
            "TEST1",                                               // Name
            "USD",                                  // Currency
            "",                                  	// Credit Curve - Empty for now
            0.09,                                      // Bond Coupon
            2,                                                            // Frequency
            "30/360",                             // Day Count
            DateUtil.CreateFromYMD (
            	2011,
            	2,
            	23
            ), // Effective
            DateUtil.CreateFromYMD (
            	2021,
            	3,
            	1
            ),               // Maturity
            null,                       // Principal Schedule
            null
		);

		BondComponent bond2 = BondBuilder.CreateSimpleFixed (    // Simple Fixed Rate Bond
            "TEST2",                                               // Name
            "USD",                                  // Currency
            "",                                  	// Credit Curve - Empty for now
            0.09,                                      // Bond Coupon
            2,                                                            // Frequency
            "30/360",                             // Day Count
            DateUtil.CreateFromYMD (
            	2011,
            	2,
            	23
            ), // Effective
            DateUtil.CreateFromYMD (
            	2021,
            	3,
            	1
            ),               // Maturity
            null,                       // Principal Schedule
            null
		);

		BondComponent bond3 = BondBuilder.CreateSimpleFixed (    // Simple Fixed Rate Bond
            "TEST3",                                               // Name
            "USD",                                  // Currency
            "",                                  	// Credit Curve - Empty for now
            0.09,                                      // Bond Coupon
            2,                                                            // Frequency
            "30/360",                             // Day Count
            DateUtil.CreateFromYMD (
            	2011,
            	2,
            	23
            ), // Effective
            DateUtil.CreateFromYMD (
            	2021,
            	3,
            	1
            ),               // Maturity
            null,                       // Principal Schedule
            null
		);

		BondComponent bond4 = BondBuilder.CreateSimpleFloater ( // Simple Floating Rate Bond
			"FLOATER1",		// Name
			"USD",			// Currency
			"USD-6M",	// Rate Index
            "",            	// Credit Curve - Empty for now
			0.01,			// Floating Spread
			2,				// Coupon Frequency
			"30/360",		// Day Count
			DateUtil.CreateFromYMD (
				2008,
				9,
				21
			), // Effective
			DateUtil.CreateFromYMD (
				2023,
				9,
				20
			),	// Maturity
			MakeFSPrincipal(),		// Principal Schedule
			MakeFSCoupon()		// Coupon Schedule
		);

		BasketProduct bb = new BondBasket (
			"TurtlePower",
			new Bond[] {
				bond1, bond2, bond3, bond4
			},
			new double[] {
				0.1, 0.2, 0.3, 0.4
			}
		);

		/*
		 * Create the basket market parameters and add the named discount curve and the treasury curves to it.
		 */

		CurveSurfaceQuoteContainer mktParams = new CurveSurfaceQuoteContainer();

		mktParams.setFundingState (dc);

		mktParams.setFundingState (dcTSY);

		/*
		 * Construct the Valuation and the Pricing Parameters
		 */

		ValuationParams valParams = ValuationParams.Spot (
			dtSettle,
			0,
			"USD",
			Convention.DATE_ROLL_ACTUAL
		);

		CreditPricerParams pricerParams = new CreditPricerParams (
			7,
			null,
			false,
			CreditPricerParams.PERIOD_DISCRETIZATION_FULL_COUPON
		);

		/*
		 * Generate the bond basket measures from the valuation, the pricer, and the market parameters
		 */

		CaseInsensitiveTreeMap<Double> mapResult = bb.value (
			valParams,
			pricerParams,
			mktParams,
			null
		);

		System.out.println ("Clean Price:      " + FormatUtil.FormatDouble (mapResult.get ("CleanPrice"), 0, 2, 100.));

		System.out.println ("Fair Clean Price: " + FormatUtil.FormatDouble (mapResult.get ("FairCleanPrice"), 0, 2, 100.));

		System.out.println ("Fair Yield:       " + FormatUtil.FormatDouble (mapResult.get ("FairYield"), 0, 2, 100.));

		System.out.println ("Fair GSpread:     " + FormatUtil.FormatDouble (mapResult.get ("FairGSpread"), 0, 0, 10000.));

		System.out.println ("Fair ZSpread:     " + FormatUtil.FormatDouble (mapResult.get ("FairZSpread"), 0, 0, 10000.));

		System.out.println ("Fair ISpread:     " + FormatUtil.FormatDouble (mapResult.get ("FairISpread"), 0, 0, 10000.));

		System.out.println ("Fair Duration:    " + FormatUtil.FormatDouble (mapResult.get ("FairDuration"), 0, 2, 10000.));

		System.out.println ("Accrued:          " + FormatUtil.FormatDouble (mapResult.get ("Accrued"), 1, 2, 100.));
	}

	public static final void main (
		final String astrArgs[])
		throws Exception
	{
		// String strConfig = "c:\\Lakshmi\\BondAnal\\Config.xml";

		EnvManager.InitEnv (
			"",
			true
		);

		BasketBondAPISample();

		EnvManager.TerminateEnv();
	}
}