History Request for Futures SymbolChangedEvents Is Empty

[DerekMelchin]

Expected Behavior

The following snippet returns a populated DataFrame.

self = QuantBook()
self.set_start_date(2024, 12, 19)
future = self.add_future(
    Futures.Indices.SP_500_E_MINI,
    data_mapping_mode=DataMappingMode.OPEN_INTEREST,
    data_normalization_mode=DataNormalizationMode.BACKWARDS_RATIO,
    contract_depth_offset=0
)
history = self.history(SymbolChangedEvent, future.symbol, timedelta(365))
history

Actual Behavior

The DataFrame is empty.

Potential Solution

N/A

Reproducing the Problem

Run the snippet above

System Information

QC Cloud

Checklist

• I have completely filled out this template
• I have confirmed that this issue exists on the current master branch
• I have confirmed that this is not a duplicate issue by searching issues

• I have provided detailed steps to reproduce the issue