Direct Answer
The S&P Emerging BMI is a rule-based measurement of broad market index covering all eligible emerging market equities worldwide, maintained by S&P Dow Jones Indices. Like every index it owns nothing: it is a number produced by applying a published weighting formula to a selected list of companies, revised on a schedule the provider sets.
What this index covers
The S&P Emerging BMI covers broad market index covering all eligible emerging market equities worldwide, within the Global market. S&P Dow Jones Indices defines which securities are eligible, how they are selected from that pool, and how much each one contributes to the published number.
The index name does not state a fixed company count, so the number of constituents follows the eligibility rules rather than a target.
How constituents are weighted
Float-adjusted market capitalization weighted, with share counts reduced to reflect limits or restrictions on foreign investors, whether imposed by governments, by industry or by company bylaws.
The weighting method is the single biggest driver of how an index behaves. Two indexes covering the same market can diverge for years purely because they weight differently, which is why comparing index levels without knowing the method tells you very little.
What qualifies for inclusion
Listed equities of companies domiciled in countries S&P classifies as emerging, with at least US$ 100 million of float-adjusted market cap at addition. Liquidity is lower than for developed markets: a 12-month value traded ratio of 10% and six-month median daily value traded of US$ 0.1 million. If the local listing fails the criteria, depositary receipts and developed market listings can represent the company.
Eligibility rules are the part of an index most readers never look at and the part that decides what it can possibly measure. A screen that excludes a whole sector, or admits only one listing venue, shapes the result far more than any day of trading does.
How long a listing must exist first
Stocks added at a quarterly review, such as IPOs, new listings and companies emerging from bankruptcy, must have at least three months of trading history as of the reference date.
A seasoning rule is why a large new listing does not appear in an index the week it starts trading. It is a deliberate lag, and it means an index can under-represent a fast-growing part of the market for months at a time.
When the membership is revised
Annual reconstitution runs country by country with data as of the last trading date in July, effective at the open on the Monday following the third Friday in September. Quarterly additions follow in March, June, September and December, with a reference date five weeks earlier.
Reconstitution is the one date an index changes shape by design rather than by price. Funds tracking it have to trade toward the new membership, which is why the schedule matters to anyone holding the tracker rather than only to the provider.
The rule that surprises people
Practical foreign ownership room is monitored on top of the legal limit in markets such as the Philippines, UAE, Qatar and Saudi Arabia: an existing constituent is removed at the next quarterly rebalancing if the available share falls below 5%, and additions need 10% or more. China A-Shares and India use 4% and 3%.
References
- S&P Dow Jones Indices: S&P Dow Jones Indices: S&P Global BMI Methodology, as published 2025. Every rule described on this page is taken from this document.
Current S&P Emerging BMI constituents
S&P Dow Jones Indices publishes and licenses the S&P Emerging BMI constituent list. Swoopr does not republish it here. The provider's own page is the authoritative source for current membership and weights.
Related reading
- All stock market indexes: how indexes are built, weighted and revised.
- Global indexes: others covering the same region.
- Index concentration: measuring how much of an index sits in its largest holdings.
- Index rebalancing and inclusion effects: what happens to a stock when index membership changes.
Frequently Asked Questions
Who maintains the S&P Emerging BMI?
S&P Dow Jones Indices maintains the S&P Emerging BMI and publishes the methodology document that defines its eligibility and weighting rules.
What does the S&P Emerging BMI measure?
It measures broad market index covering all eligible emerging market equities worldwide. The index is a calculated number applying a weighting formula to a selected list of companies, and it holds nothing itself.
Where can I see the current S&P Emerging BMI constituents?
S&P Dow Jones Indices publishes the current constituent list. Swoopr does not republish it, because index providers license constituent data and Swoopr holds no such licence.