public void MatchesAgainstFullPositionCollection()
{
// sort definitions by leg count so that we match more complex definitions first
var options = OptionStrategyMatcherOptions.ForDefinitions(OptionStrategyDefinitions.AllDefinitions
.OrderByDescending(definition => definition.LegCount)
);
var matcher = new OptionStrategyMatcher(options);
var positions = OptionPositionCollection.Empty.AddRange(Option.Position(Option.Underlying, +20),
Option.Position(Option.Call[100, -4]), Option.Position(Option.Put[105, -4]),
Option.Position(Option.Call[105, +4]), Option.Position(Option.Put[110, +4]),
Option.Position(Option.Call[110, -3]), Option.Position(Option.Put[115, -3]),
Option.Position(Option.Call[115, +3]), Option.Position(Option.Put[120, +3]),
Option.Position(Option.Call[120, -5]), Option.Position(Option.Put[125, -5]),
Option.Position(Option.Call[124, +5]), Option.Position(Option.Put[130, +5])
);
var match = matcher.MatchOnce(positions);
foreach (var strategy in match.Strategies)
{
Console.WriteLine($"{strategy.Name}");
foreach (var leg in strategy.OptionLegs)
{
// steal OptionPosition's ToString() implementation
Console.Write($"\t{new OptionPosition(leg.Symbol, leg.Quantity)}");
}
}
}
public void DoesNotDoubleCountPositions()
{
// this test aims to verify that match solutions do not reference the same position in multiple matches
// this behavior is different than the OptionStrategyDefinition.Match, which by design produces all possible
// matches which permits the same position to appear in different matches, allowing the matcher to pick matches
// this test aims to verify that we can match the same definition multiple times if positions allows
// 0: -C110 +C105
// 1: -C115 +C100
var positions = OptionPositionCollection.Empty.AddRange(
Position(Call[110], -1),
Position(Call[115], -1),
Position(Call[100]),
Position(Call[105])
);
var matcher = new OptionStrategyMatcher(OptionStrategyMatcherOptions.ForDefinitions(BearCallSpread));
var matches = matcher.MatchOnce(positions);
Assert.AreEqual(2, matches.Strategies.Count);
}
public void CoveredCall_MatchesMultipleTimes_ForEachUniqueShortCallContract()
{
// CoveredCall
// 0: +1 underlying lot
// 1: -1 Call
// so we should match
// (4U, -4C100)
// (3U, -3C110)
// (5U, -5C120)
// (9U, -9C130)
// (20U, -20C140)
// OptionStrategyDefinition.Match produces ALL possible matches
var positions = Empty.AddRange(Position(Underlying, +20),
Position(Call[100], -4), Position(Put[105], -4),
Position(Call[105], +4), Position(Put[110], +4),
Position(Call[110], -3), Position(Put[115], -3),
Position(Call[115], +3), Position(Put[120], +3),
Position(Call[120], -5), Position(Put[125], -5),
Position(Call[125], +5), Position(Put[130], +5),
Position(Call[130], -9), Position(Put[135], -9),
Position(Call[140], -21), Position(Put[145], -21)
);
// force lower strikes to be evaluated first to provide determinism for this test
var options = OptionStrategyMatcherOptions.ForDefinitions(CoveredCall)
.WithPositionEnumerator(new FunctionalOptionPositionCollectionEnumerator(
pos => pos.OrderBy(p => p.IsUnderlying ? 0 : p.Strike)
));
var matches = CoveredCall.Match(options, positions).ToList();
Assert.AreEqual(5, matches.Count);
Assert.AreEqual(1, matches.Count(m => m.Multiplier == 4));
Assert.AreEqual(1, matches.Count(m => m.Multiplier == 3));
Assert.AreEqual(1, matches.Count(m => m.Multiplier == 5));
Assert.AreEqual(1, matches.Count(m => m.Multiplier == 9));
Assert.AreEqual(1, matches.Count(m => m.Multiplier == 20));
}
/// <summary>
/// Creates a custom option strategy group resolver
/// </summary>
/// <param name="strategyMatcherOptions">The option strategy matcher options instance to use</param>
/// <param name="securities">The algorithms securities</param>
public OptionStrategyPositionGroupResolver(SecurityManager securities, OptionStrategyMatcherOptions strategyMatcherOptions)
{
_securities = securities;
_strategyMatcher = new OptionStrategyMatcher(strategyMatcherOptions);
}
/// <summary>
/// Creates the default option strategy group resolver for <see cref="OptionStrategyDefinitions.AllDefinitions"/>
/// </summary>
public OptionStrategyPositionGroupResolver(SecurityManager securities)
: this(securities, OptionStrategyMatcherOptions.ForDefinitions(OptionStrategyDefinitions.AllDefinitions))
{
}
