IQ
BRSM
MFS Blended Research Small-Mid Cap ETF
Category StocksIssuer MFSNet assets $28mFee 0.38%

BRSM bid-ask spread and liquidity

See what BRSM costs to trade and how closely it tracks its value.

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Not scored

IQ Liquidity Score

· 1 of 6 measured · Nov 6, 2026
$39m
its holdings can absorb a day
0 · Hard to trade100 · Trades like a giant

How easily this fund trades, from 0 to 100 on the same anchors for every fund; 100 is best. Method →

Cost to trade
Not measured · the issuer's 30-day median spread is not read for this fund
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Capacity
Holdings can absorb $39m a day, Nov 6, 2026
52.9
Price fidelity
Not measured · no closing premium is held for this fund
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Primary market
Not measured · it first traded on 2026-06-04, and no N-CEN ETF row for series S000104939 is in the quarters read (2024q4 to 2026q3)
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Bad-day behaviour
Not measured · no daily closing premium is held for this fund
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Depth
Not measured · needs trade and quote data
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Capacity: what its holdings can absorb in a day. Price fidelity: how close its price stays to NAV, the value of what it holds. Primary market: the dealers who create and redeem its shares. Bad-day behaviour: its premium on the market’s worst days. Depth: the dollars quoted at the bid and the ask. How to read the score →

BRSM is not scored: its spread is not read, so it has no point on this chart. 680 scored Stocks ETFs are plotted for comparison, Nov 12, 2026.

Spread against score

BRSM among Stocks ETFs

Cheaper to trade sits left, easier to trade sits up.

680 scored
Hard to tradeThinLiquid with careLiquidTrades like a giantNov 12, 2026
CapacityWhat its holdings making up 95% of the weight can absorb a day, at 10% of each one’s volume
Holdings can absorb
$39m

BRSM’s holdings can absorb $39m a day, measured on its own holdings, as of Nov 6, 2026. A $1m order is 2.58% of a day’s capacity.

The holding that sets the limit: Phoenix Education Partners Inc (PXED), 0.61% of the fund, $2.4m a day traded, the median of 20 days to Nov 11, 2026.

Where it trades

Q2 2026, 18 trading days
Off exchange
57%
Odd lots, of exchange volume
3.8%

In Q2 2026, 57% of BRSM’s shares traded off exchange on the median day.

Off exchange means wholesalers and dark pools. Odd lots are orders under 100 shares, a sign of retail trading.

How to place the order

To buy or to sell, up to $100,000
When
ETF spreads are usually widest in the first minutes after the open and the last before the close.
Size
Up to $387,038 is 1% of what its holdings can absorb in a day, for a buy or a sell.
Why low volume does not mean illiquid →Limit orders vs market orders for ETFs →
Not measured yet: these need trade data
Spread through the day

Median spread by half hour, 30 days.

Buyers against sellers

Volume bought at the ask against volume sold at the bid.

Retail flow, estimated

Trades priced in fractions of a cent, a sign of retail orders.

Large trades

Trades above $500k: how many, and their share of volume.

Closing auction

Share of the day’s volume at the close.

Questions people ask

Who is the LMM for BRSM?

BRSM’s lead market maker (LMM) on NYSE Arca is Goldman Sachs & Co. LLC. Lead market maker per NYSE Arca, as of Nov 9, 2026.
Where to next
ETF trading costs and liquidity→Cost-to-trade checker→Why low volume does not mean illiquidguide →Limit orders vs market orders for ETFsguide →How the IQ Liquidity Score is builtmethod →BRSM fund page→
Sources and dates
CapacityETFIQ, each holding’s 20-day median dollar volume · to Nov 6, 2026
Where it tradesSEC MIDAS · Q2 2026

The score measures trading conditions, not the fund. ETFIQ makes no recommendations.

Cite this pageCitation, APA and Markdown

ETFIQ, BRSM trading: cost, capacity, premium and dealers, data as of Nov 6, 2026. https://etfiq.com/funds/brsm/trading/

Open data →

The score measures trading conditions, not the fund. ETFIQ makes no recommendations.