Expected Behavior

Create flexible DefaultSettlementDays depending on Securities.
For instance:
Run algo before May 28, 2024 the DefaultSettlementDays for Equites => 2 days.

Actual Behavior

Use the DefaultSettlementDays for Equites => 1 day always.

Potential Solution

Should use different SettlementDays by Securties and backtesting time. The SettlementDays was changed (look at attached PR) to 1 day, but if the user runs algo before SettlementDays changed it will use the wrong amount of settled cash in the user balance.

• Security.Equity

Also, we should pay attention to different markets (international ones). Different SettlementDaya values can be used.

Reproducing the Problem

Run algo before May 28, 2024.
Buy or sell' SPY' on the same day and ensure that cash is settled successfully.

Related PRs

• Fix: SettlementDays #8657

System Information

N/a

Checklist

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