According to the TSP website:
So it will be interesting to see what price they give the I-fund so we can figure out what we should be watching during the day.
"I Fund benchmark index change complete — The transition of the I Fund benchmark to the MSCI All Country World Investable Market Index ex USA ex China ex Hong Kong Index (MSCI ACWI IMI ex USA ex China ex Hong Kong Index) is complete."
The new I Fund benchmark index further diversifies I Fund investments and gives TSP participants access to more markets and companies. The index includes more than 5,000 large, medium, and small companies from more than 40 developed and emerging market countries.
So it will be interesting to see what price they give the I-fund so we can figure out what we should be watching during the day.