/**
* Copyright (C) 2012 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.financial.analytics.volatility.surface;
import java.util.Map;
import org.threeten.bp.LocalDate;
import com.google.common.collect.Maps;
import com.opengamma.OpenGammaRuntimeException;
import com.opengamma.financial.convention.expirycalc.ExchangeTradedInstrumentExpiryCalculator;
import com.opengamma.financial.convention.expirycalc.GoldFutureOptionExpiryCalculator;
import com.opengamma.financial.convention.expirycalc.LiveCattleFutureOptionExpiryCalculator;
import com.opengamma.financial.convention.expirycalc.SoybeanFutureOptionExpiryCalculator;
import com.opengamma.id.ExternalId;
import com.opengamma.util.ArgumentChecker;
/**
*
*/
public class BloombergCommodityFutureOptionVolatilitySurfaceInstrumentProvider extends BloombergFutureOptionVolatilitySurfaceInstrumentProvider {
private static final Map<String, ExchangeTradedInstrumentExpiryCalculator> EXPIRY_RULES;
static {
EXPIRY_RULES = Maps.newHashMap();
EXPIRY_RULES.put("BO", SoybeanFutureOptionExpiryCalculator.getInstance()); // Soy oil
EXPIRY_RULES.put("BZ", SoybeanFutureOptionExpiryCalculator.getInstance()); // Brent Crude -- temp for 2 character code in surface name
EXPIRY_RULES.put("BZA", SoybeanFutureOptionExpiryCalculator.getInstance()); // Brent Crude
EXPIRY_RULES.put("GC", GoldFutureOptionExpiryCalculator.getInstance()); // Gold
EXPIRY_RULES.put("LC", LiveCattleFutureOptionExpiryCalculator.getInstance()); // Live Cattle
EXPIRY_RULES.put("S ", SoybeanFutureOptionExpiryCalculator.getInstance()); // Soy
}
/**
* Uses the default ticker scheme (BLOOMBERG_TICKER_WEAK)
* @param futureOptionPrefix the prefix to the resulting code (e.g. "S " for Soybeans), not null
* @param postfix the postfix to the resulting code (e.g. Comdty), not null
* @param dataFieldName the name of the data field, not null. Expecting MarketDataRequirementNames.IMPLIED_VOLATILITY or OPT_IMPLIED_VOLATILITY_MID
* @param useCallAboveStrike the strike above which to use calls rather than puts, not null
* @param exchangeIdName the exchange id, not null
*/
public BloombergCommodityFutureOptionVolatilitySurfaceInstrumentProvider(final String futureOptionPrefix, final String postfix, final String dataFieldName, final Double useCallAboveStrike,
final String exchangeIdName) {
super(futureOptionPrefix, postfix, dataFieldName, useCallAboveStrike, exchangeIdName);
}
/**
* @param futureOptionPrefix the prefix to the resulting code (e.g. "S " for Soybeans), not null
* @param postfix the postfix to the resulting code (e.g. Comdty), not null
* @param dataFieldName the name of the data field, not null. Expecting MarketDataRequirementNames.IMPLIED_VOLATILITY or OPT_IMPLIED_VOLATILITY_MID
* @param useCallAboveStrike the strike above which to use calls rather than puts, not null
* @param exchangeIdName the exchange id, not null
* @param schemeName the ticker scheme name, not null
*/
public BloombergCommodityFutureOptionVolatilitySurfaceInstrumentProvider(final String futureOptionPrefix, final String postfix, final String dataFieldName, final Double useCallAboveStrike,
final String exchangeIdName, final String schemeName) {
super(futureOptionPrefix, postfix, dataFieldName, useCallAboveStrike, exchangeIdName, schemeName);
}
/**
* Provides an ExternalID for Bloomberg ticker,
* given a reference date and an integer offset, the n'th subsequent option <p>
* The format is prefix + expiry code + callPutFlag + strike + postfix <p>
* e.g. S U3P 45 Comdty
* <p>
* @param futureOptionNumber n'th future following curve date, not null
* @param strike option's strike, not null
* @param surfaceDate date of curve validity; valuation date, not null
* @return the id of the Bloomberg ticker
*/
@Override
public ExternalId getInstrument(final Number futureOptionNumber, final Double strike, final LocalDate surfaceDate) {
ArgumentChecker.notNull(futureOptionNumber, "futureOptionNumber");
ArgumentChecker.notNull(strike, "strike");
ArgumentChecker.notNull(surfaceDate, "surface date");
final String prefix = getFutureOptionPrefix();
final StringBuffer ticker = new StringBuffer();
ticker.append(prefix);
final ExchangeTradedInstrumentExpiryCalculator expiryRule = getExpiryRuleCalculator();
final LocalDate expiryDate = expiryRule.getExpiryMonth(futureOptionNumber.intValue(), surfaceDate);
final String expiryCode = BloombergFutureUtils.getShortExpiryCode(expiryDate);
ticker.append(expiryCode);
ticker.append(strike > useCallAboveStrike() ? "C" : "P");
ticker.append(" ");
// temp workaround for BZA which has 2 decimal places - need to find the proper rule.
//if (prefix.equals("BZA")) {
// ticker.append(withTwoDigits.format(strike));
//} else {
ticker.append(strike);
//}
ticker.append(" ");
ticker.append(getPostfix());
return ExternalId.of(getScheme(), ticker.toString());
}
/**
* Gets the expiryRules.
* @return the expiryRules
*/
public static Map<String, ExchangeTradedInstrumentExpiryCalculator> getExpiryRules() {
return EXPIRY_RULES;
}
@Override
public ExchangeTradedInstrumentExpiryCalculator getExpiryRuleCalculator() {
final ExchangeTradedInstrumentExpiryCalculator expiryRule = EXPIRY_RULES.get(getFutureOptionPrefix());
if (expiryRule == null) {
throw new OpenGammaRuntimeException("No expiry rule has been setup for " + getFutureOptionPrefix() + ". Determine week and day pattern and add to EXPIRY_RULES.");
}
return expiryRule;
}
}