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Add SeedInitialPrices and cosmetic changes to C# templates #2384

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bc8595d
Refactor BrainSentimentIndicatorChainedUniverseAlgorithm
Ruuudy1 May 8, 2026
fde6bad
Update return type in main.py
Ruuudy1 May 8, 2026
862011f
Add SeedInitialPrices and cosmetic improvements to C# templates
Ruuudy1 May 8, 2026
b5bbbfe
Change UniverseSettings.Resolution from Daily to Minute
Ruuudy1 May 8, 2026
799b72b
Replace alternative-data C# template with BrainCompanyFilingNLP algor…
Ruuudy1 May 8, 2026
c268a25
Fix incorrect 'shortly after open' scheduler comment in C# universe t…
Ruuudy1 May 8, 2026
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15 changes: 8 additions & 7 deletions project-templates/csharp/ai/Main.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -69,9 +69,9 @@
/// </summary>
public class AccordVectorMachinesAlgorithm : QCAlgorithm
{
// Define the size of the data used to train the model
// It will use _lookback sets with _inputSize members
// Those members are rate of return
// Define the size of the data used to train the model.
// It will use _lookback sets with _inputSize members.
// Those members are rate of return.
private const int _lookback = 30;
private const int _inputSize = 5;
private Equity _equity;
Expand All @@ -82,6 +82,7 @@ public override void Initialize()
SetStartDate(2024, 9, 1);
SetEndDate(2024, 12, 31);
SetCash(100000);
Settings.SeedInitialPrices = true;

Accord.Math.Random.Generator.Seed = 0;

Expand All @@ -104,11 +105,11 @@ private void TrainAndTrade()
return;
}

// Convert the rolling window of rate of change into the Learn method
// Convert the rolling window of rate of change into the Learn method.
var targets = new double[_lookback];
var inputs = new double[_lookback][];

// Use the sign of the returns to predict the direction
// Use the sign of the returns to predict the direction.
for (var i = 0; i < _lookback; i++)
{
var returns = new double[_inputSize];
Expand All @@ -121,13 +122,13 @@ private void TrainAndTrade()
inputs[i] = returns;
}

// Train SupportVectorMachine using SetHoldings("SPY", percentage);
// Train SupportVectorMachine using SetHoldings("SPY", percentage);.
var teacher = new LinearCoordinateDescent();
teacher.Learn(inputs, targets);

var svm = teacher.Model;

// Compute the value for the last rate of change
// Compute the value for the last rate of change.
var value = svm.Score(new double[] { Math.Sign(_roc.Window[0]) });
if (value.IsNaNOrZero()) return;

Expand Down
7 changes: 4 additions & 3 deletions ...tes/csharp/alternative-data-universe-braincompanyfilinglanguagemetricsuniverseall/Main.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -14,8 +14,9 @@ public override void Initialize()
SetStartDate(2024, 9, 1);
SetEndDate(2024, 12, 31);
SetCash(100000);
Settings.SeedInitialPrices = true;

UniverseSettings.Resolution = Resolution.Daily;
UniverseSettings.Resolution = Resolution.Minute;
// Universe of US Equities with positive sentiment in their latest SEC filings.
_universe = AddUniverse<BrainCompanyFilingLanguageMetricsUniverseAll>(data =>
{
Expand All @@ -26,7 +27,7 @@ where d.ReportSentiment.Sentiment > 0m
select d.Symbol;
});

// Rebalance shortly after the open so today's universe is locked in.
// Rebalance before market open to trade today's universe.
Schedule.On(DateRules.EveryDay("SPY"), TimeRules.At(9, 0, 0), Rebalance);
}

Expand All @@ -42,7 +43,7 @@ private void Rebalance()
.Select(symbol => new PortfolioTarget(symbol, weight))
.ToList();

SetHoldings(targets, liquidateExistingHoldings: true);
SetHoldings(targets, true);
}
}
}
7 changes: 4 additions & 3 deletions project-templates/csharp/alternative-data-universe-brainsentimentindicatoruniverse/Main.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -14,8 +14,9 @@ public override void Initialize()
SetStartDate(2024, 9, 1);
SetEndDate(2024, 12, 31);
SetCash(100000);
Settings.SeedInitialPrices = true;

UniverseSettings.Resolution = Resolution.Daily;
UniverseSettings.Resolution = Resolution.Minute;
// Universe of US Equities with positive 7-day media sentiment and active mention coverage.
_universe = AddUniverse<BrainSentimentIndicatorUniverse>(data =>
{
Expand All @@ -25,7 +26,7 @@ where d.TotalArticleMentions7Days > 0m && d.Sentiment7Days > 0m
select d.Symbol;
});

// Rebalance shortly after the open so today's universe is locked in.
// Rebalance before market open to trade today's universe.
Schedule.On(DateRules.EveryDay("SPY"), TimeRules.At(9, 0, 0), Rebalance);
}

Expand All @@ -41,7 +42,7 @@ private void Rebalance()
.Select(symbol => new PortfolioTarget(symbol, weight))
.ToList();

SetHoldings(targets, liquidateExistingHoldings: true);
SetHoldings(targets, true);
}
}
}
7 changes: 4 additions & 3 deletions project-templates/csharp/alternative-data-universe-brainstockrankinguniverse/Main.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -14,8 +14,9 @@ public override void Initialize()
SetStartDate(2024, 9, 1);
SetEndDate(2024, 12, 31);
SetCash(100000);
Settings.SeedInitialPrices = true;

UniverseSettings.Resolution = Resolution.Daily;
UniverseSettings.Resolution = Resolution.Minute;
// Universe of US Equities with positive Brain ML rankings across 2-, 3-, and 5-day horizons.
_universe = AddUniverse<BrainStockRankingUniverse>(data =>
{
Expand All @@ -25,7 +26,7 @@ where d.Rank2Days > 0m && d.Rank3Days > 0m && d.Rank5Days > 0m
select d.Symbol;
});

// Rebalance shortly after the open so today's universe is locked in.
// Rebalance before market open to trade today's universe.
Schedule.On(DateRules.EveryDay("SPY"), TimeRules.At(9, 0, 0), Rebalance);
}

Expand All @@ -41,7 +42,7 @@ private void Rebalance()
.Select(symbol => new PortfolioTarget(symbol, weight))
.ToList();

SetHoldings(targets, liquidateExistingHoldings: true);
SetHoldings(targets, true);
}
}
}
5 changes: 3 additions & 2 deletions project-templates/csharp/alternative-data-universe-coingeckouniverse/Main.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@ public override void Initialize()
SetStartDate(2024, 9, 1);
SetEndDate(2024, 12, 31);
SetCash(100000);
Settings.SeedInitialPrices = true;
SetAccountCurrency("USD");

// Trade the largest CoinGecko coins on Coinbase quoted in USD.
Expand All @@ -26,7 +27,7 @@ public override void Initialize()
.Select(x => x.Key.Symbol)
.ToList();

UniverseSettings.Resolution = Resolution.Daily;
UniverseSettings.Resolution = Resolution.Minute;
// Universe of the top 10 CoinGecko coins by market cap that we can trade.
_universe = AddUniverse<CoinGecko>("CoinGeckoUniverse", Resolution.Daily, data =>
{
Expand Down Expand Up @@ -56,7 +57,7 @@ private void Rebalance()
.Select(symbol => new PortfolioTarget(symbol, weight))
.ToList();

SetHoldings(targets, liquidateExistingHoldings: true);
SetHoldings(targets, true);
}
}
}
7 changes: 4 additions & 3 deletions project-templates/csharp/alternative-data-universe-eodhdupcomingdividends/Main.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -14,8 +14,9 @@ public override void Initialize()
SetStartDate(2024, 9, 1);
SetEndDate(2024, 12, 31);
SetCash(100000);
Settings.SeedInitialPrices = true;

UniverseSettings.Resolution = Resolution.Daily;
UniverseSettings.Resolution = Resolution.Minute;
// Universe of US Equities going ex-dividend in the next day with a meaningful payout.
_universe = AddUniverse<EODHDUpcomingDividends>(data =>
{
Expand All @@ -25,7 +26,7 @@ public override void Initialize()
select d.Symbol;
});

// Rebalance shortly after the open so today's universe is locked in.
// Rebalance before market open to trade today's universe.
Schedule.On(DateRules.EveryDay("SPY"), TimeRules.At(9, 0, 0), Rebalance);
}

Expand All @@ -41,7 +42,7 @@ private void Rebalance()
.Select(symbol => new PortfolioTarget(symbol, weight))
.ToList();

SetHoldings(targets, liquidateExistingHoldings: true);
SetHoldings(targets, true);
}
}
}
7 changes: 4 additions & 3 deletions project-templates/csharp/alternative-data-universe-eodhdupcomingearnings/Main.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -14,8 +14,9 @@ public override void Initialize()
SetStartDate(2024, 9, 1);
SetEndDate(2024, 12, 31);
SetCash(100000);
Settings.SeedInitialPrices = true;

UniverseSettings.Resolution = Resolution.Daily;
UniverseSettings.Resolution = Resolution.Minute;
// Universe of US Equities reporting earnings in the next 3 days with a positive estimate.
_universe = AddUniverse<EODHDUpcomingEarnings>(data =>
{
Expand All @@ -25,7 +26,7 @@ public override void Initialize()
select d.Symbol;
});

// Rebalance shortly after the open so today's universe is locked in.
// Rebalance before market open to trade today's universe.
Schedule.On(DateRules.EveryDay("SPY"), TimeRules.At(9, 0, 0), Rebalance);
}

Expand All @@ -41,7 +42,7 @@ private void Rebalance()
.Select(symbol => new PortfolioTarget(symbol, weight))
.ToList();

SetHoldings(targets, liquidateExistingHoldings: true);
SetHoldings(targets, true);
}
}
}
7 changes: 4 additions & 3 deletions project-templates/csharp/alternative-data-universe-eodhdupcomingipos/Main.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -17,8 +17,9 @@ public override void Initialize()
SetStartDate(2024, 9, 1);
SetEndDate(2024, 12, 31);
SetCash(100000);
Settings.SeedInitialPrices = true;

UniverseSettings.Resolution = Resolution.Daily;
UniverseSettings.Resolution = Resolution.Minute;
// Universe of confirmed non-penny upcoming IPOs.
_universe = AddUniverse<EODHDUpcomingIPOs>(data =>
{
Expand All @@ -32,7 +33,7 @@ where _dealTypesWanted.Contains(d.DealType)
select d.Symbol;
});

// Rebalance shortly after the open so today's universe is locked in.
// Rebalance before market open to trade today's universe.
Schedule.On(DateRules.EveryDay("SPY"), TimeRules.At(9, 0, 0), Rebalance);
}

Expand All @@ -48,7 +49,7 @@ private void Rebalance()
.Select(symbol => new PortfolioTarget(symbol, weight))
.ToList();

SetHoldings(targets, liquidateExistingHoldings: true);
SetHoldings(targets, true);
}
}
}
7 changes: 4 additions & 3 deletions project-templates/csharp/alternative-data-universe-eodhdupcomingsplits/Main.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -14,8 +14,9 @@ public override void Initialize()
SetStartDate(2024, 9, 1);
SetEndDate(2024, 12, 31);
SetCash(100000);
Settings.SeedInitialPrices = true;

UniverseSettings.Resolution = Resolution.Daily;
UniverseSettings.Resolution = Resolution.Minute;
// Universe of US Equities with a forward stock split in the next 3 days.
_universe = AddUniverse<EODHDUpcomingSplits>(data =>
{
Expand All @@ -25,7 +26,7 @@ public override void Initialize()
select d.Symbol;
});

// Rebalance shortly after the open so today's universe is locked in.
// Rebalance before market open to trade today's universe.
Schedule.On(DateRules.EveryDay("SPY"), TimeRules.At(9, 0, 0), Rebalance);
}

Expand All @@ -41,7 +42,7 @@ private void Rebalance()
.Select(symbol => new PortfolioTarget(symbol, weight))
.ToList();

SetHoldings(targets, liquidateExistingHoldings: true);
SetHoldings(targets, true);
}
}
}
7 changes: 4 additions & 3 deletions project-templates/csharp/alternative-data-universe-quivercnbcsuniverse/Main.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -15,9 +15,10 @@ public override void Initialize()
SetStartDate(2024, 9, 1);
SetEndDate(2024, 12, 31);
SetCash(100000);
Settings.SeedInitialPrices = true;

// Trade daily on CNBC opinion updates.
UniverseSettings.Resolution = Resolution.Daily;
UniverseSettings.Resolution = Resolution.Minute;
// Universe of US Equities flagged by 3+ positive CNBC opinions.
_universe = AddUniverse<QuiverCNBCsUniverse>(data =>
{
Expand All @@ -29,7 +30,7 @@ where g.Count(x => x.Direction == OrderDirection.Buy) >= 3
select g.Key;
});

// Rebalance shortly after the open so today's universe is locked in.
// Rebalance before market open to trade today's universe.
Schedule.On(DateRules.EveryDay("SPY"), TimeRules.At(9, 0, 0), Rebalance);
}

Expand All @@ -45,7 +46,7 @@ private void Rebalance()
.Select(symbol => new PortfolioTarget(symbol, weight))
.ToList();

SetHoldings(targets, liquidateExistingHoldings: true);
SetHoldings(targets, true);
}
}
}
7 changes: 4 additions & 3 deletions project-templates/csharp/alternative-data-universe-quivergovernmentcontractuniverse/Main.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -14,8 +14,9 @@ public override void Initialize()
SetStartDate(2024, 9, 1);
SetEndDate(2024, 12, 31);
SetCash(100000);
Settings.SeedInitialPrices = true;

UniverseSettings.Resolution = Resolution.Daily;
UniverseSettings.Resolution = Resolution.Minute;
// Universe of US Equities with frequent, sizable US government contracts.
_universe = AddUniverse<QuiverGovernmentContractUniverse>(data =>
{
Expand All @@ -25,7 +26,7 @@ where g.Count() >= 3 && g.Sum(x => x.Amount) > 50000m
select g.Key;
});

// Rebalance shortly after the open so today's universe is locked in.
// Rebalance before market open to trade today's universe.
Schedule.On(DateRules.EveryDay("SPY"), TimeRules.At(9, 0, 0), Rebalance);
}

Expand All @@ -41,7 +42,7 @@ private void Rebalance()
.Select(symbol => new PortfolioTarget(symbol, weight))
.ToList();

SetHoldings(targets, liquidateExistingHoldings: true);
SetHoldings(targets, true);
}
}
}
7 changes: 4 additions & 3 deletions project-templates/csharp/alternative-data-universe-quiverinsidertradinguniverse/Main.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -15,8 +15,9 @@ public override void Initialize()
SetStartDate(2024, 9, 1);
SetEndDate(2024, 12, 31);
SetCash(100000);
Settings.SeedInitialPrices = true;

UniverseSettings.Resolution = Resolution.Daily;
UniverseSettings.Resolution = Resolution.Minute;
// Universe of the 10 US Equities with the largest insider-trading dollar volume.
_universe = AddUniverse<QuiverInsiderTradingUniverse>(data =>
{
Expand All @@ -40,7 +41,7 @@ public override void Initialize()
.Select(kvp => kvp.Key);
});

// Rebalance shortly after the open so today's universe is locked in.
// Rebalance before market open to trade today's universe.
Schedule.On(DateRules.EveryDay("SPY"), TimeRules.At(9, 0, 0), Rebalance);
}

Expand All @@ -56,7 +57,7 @@ private void Rebalance()
.Select(symbol => new PortfolioTarget(symbol, weight))
.ToList();

SetHoldings(targets, liquidateExistingHoldings: true);
SetHoldings(targets, true);
}
}
}
7 changes: 4 additions & 3 deletions project-templates/csharp/alternative-data-universe-quiverlobbyinguniverse/Main.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -14,8 +14,9 @@ public override void Initialize()
SetStartDate(2024, 9, 1);
SetEndDate(2024, 12, 31);
SetCash(100000);
Settings.SeedInitialPrices = true;

UniverseSettings.Resolution = Resolution.Daily;
UniverseSettings.Resolution = Resolution.Minute;
// Universe of US Equities with material corporate lobbying spend.
_universe = AddUniverse<QuiverLobbyingUniverse>("QuiverLobbyingUniverse", Resolution.Daily, data =>
{
Expand All @@ -25,7 +26,7 @@ where g.Sum(x => x.Amount) >= 100000m
select g.Key;
});

// Rebalance shortly after the open so today's universe is locked in.
// Rebalance before market open to trade today's universe.
Schedule.On(DateRules.EveryDay("SPY"), TimeRules.At(9, 0, 0), Rebalance);
}

Expand All @@ -41,7 +42,7 @@ private void Rebalance()
.Select(symbol => new PortfolioTarget(symbol, weight))
.ToList();

SetHoldings(targets, liquidateExistingHoldings: true);
SetHoldings(targets, true);
}
}
}
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