Incorrect NQ Contract

[AlexCatarino]

Expected Behavior

Future chain with correct contracts

Actual Behavior

The June (M) contract expires on the 18th:

Future Chain uses the 19th.

Potential Solution

Juneteenth 2026

Reproducing the Problem

qb = QuantBook()
chain = qb.future_chain(qb.add_future("NQ"))
chain.data_frame

Checklist

• [x] I have completely filled out this template
• [x] I have confirmed that this issue exists on the current master branch
• [x] I have confirmed that this is not a duplicate issue by searching issues
• [x] I have provided detailed steps to reproduce the issue