Fall back to backup universe files in live trading when the expected ones are unavailable - #9690

Draft

jhonabreul wants to merge 6 commits into

QuantConnect:masterfrom

jhonabreul:feature-delay-live-option-universe-file-reads

Commits on Aug 12, 2026

Delay reading option chain universe files until close to market open in live trading
jhonabreul
committed
22c8ee4

Commits on Aug 13, 2026

Make live chain selection unit tests deterministic with delayed option universe file reads
jhonabreul
committed
46fe21a
Revert PR changes to start over from master
jhonabreul
committed
c51f1fd
Fall back to backup chain universe files in live trading when the expected ones are unavailable
jhonabreul
committed
53b7667
Extend the backup universe file fallback to all file-based universes
jhonabreul
committed
2c75daf
Move the backup universe file fallback logic into the live custom data enumerator factory
jhonabreul
committed
6b6ca54