VO bid-ask spread and liquidity

Vanguard Morningstar Mid-Cap ETF
StocksVanguard$103.4bn net assets0.03% fee
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As of Oct 22, 2026, VO closed −0.01% from its NAV, and on 95% of the 6 days to then it was within ±0.04%.

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Ask IQ about VO bid-ask spread and liquidity

Answers cite the figures on this page.

OverviewHoldingsDividendsTradingFlowsCompare

IQ Liquidity Score

2 of 6 measured · Oct 22, 2026
·
Not scored
0 · Hard to trade100 · Trades like a giant

The IQ Liquidity Score: a fixed 0 to 100 scale of trading conditions, the same anchors for every fund; 100 is the easiest to trade. It measures how cheaply and reliably the fund trades, not whether to own it. Method →

Cost to trade
Not measured · the issuer's 30-day median spread is not read for this fund
·
Capacity
Holdings can absorb $3.5bn a day, Oct 22, 2026
100.0
Price fidelity
Not measured · 6 days of closing premium are held, under the 20 needed
·
Primary market
14 active dealers of 38; largest 24% of creations and redemptions, N-CEN to Dec 31, 2025
100.0
Bad-day behaviour
Not measured · 0 of the 10 worst days and 6 other days are held, under the 5 and 60 needed
·
Depth
Not measured · needs trade and quote data (Phase 2)
·

Premium or discount to value

Daily, 6 days to Oct 22, 2026 · the ±1% band marked
VO premium or discount to NAV, 6 days+1%0−1%Sep 11, 2026Oct 22, 2026
Latest close, Oct 22
−0.01%
95% of days within
±0.04%
Days more than 1% from NAV
0 of 6
Widest
+0.04%, Oct 20, 2026

Close against the NAV its issuer struck the same day, from the issuer. Source: ETFIQ.

Capacity

What the holdings can absorb a day, at 10% of each one’s volume
Holdings can absorb
$3.5bn

VO’s holdings can absorb $3.5bn a day, measured on its own holdings, as of Oct 22, 2026. A $1m order is 0.03% of a day’s capacity.

The holding that sets the limit: Aflac Inc (AFL), 0.50% of the fund, $173m a day traded, the median of 20 days to Oct 22, 2026. Capacity is the least of the holding-level ratios over the holdings making up 95% of the weight.

Dealers

Authorized participants · N-CEN, the year to Dec 31, 2025
Active dealers
14
of 38 authorized
Largest
24%
of creations and redemptions
One dealer
No
14 active

14 of 38 authorized participants created or redeemed VO shares in the year to Dec 31, 2025. From the fund’s Form N-CEN, filed Mar 12, 2026.

The active authorized participants, largest first, by share of the dollars created and redeemed: Citigroup Global Markets Inc. (24.3%), Morgan Stanley & Co. LLC (19.9%), Barclays Capital Inc. (17.7%), Merrill Lynch Professional Clearing Corp. (11.9%), Citadel Securities LLC (7.1%), J.P. Morgan Securities LLC (5.9%), Jane Street Capital, LLC (3.9%), Wells Fargo Securities, LLC (2.2%), RBC Capital Markets, LLC (2.2%), Virtu Americas LLC (1.6%), ABN AMRO Clearing USA LLC (1.6%), Goldman Sachs & Co. LLC (1.4%), Jefferies LLC (0.4%), HRT Financial LP (0.0%). 24 more were listed and created or redeemed nothing.

How to trade VO

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 $35m is 1% of what its holdings can absorb in a day, for a buy or a sell.
Watch
The premium. On 95% of days it is within ±0.04%; beyond that a buyer pays more, and a seller gets less, than the holdings are worth.
Phase 2 · drawn now, filled when trade data arrives
Spread through the dayComing with trade data

Median spread by half hour, 30 days.

Buyers against sellersComing with trade data

Share of volume at the ask against at the bid.

Retail flow, estimatedComing with trade data

Sub-penny prints as a share of volume.

Large tradesComing with trade data

Prints above $500k, count and share.

Closing auctionComing with trade data

Share of the day’s volume at the close.

Questions people ask

Does VO trade at a premium or discount to NAV?

It closed −0.01% from its NAV on Oct 22, 2026. On 95% of the 6 days to then it was within ±0.04%, and it closed more than 1% from NAV on 0 of them.

Who is the AP for VO?

VO’s latest Form N-CEN, for the period ending Dec 31, 2025, lists 38 authorized participants (APs), and 14 created or redeemed shares. The largest were Citigroup Global Markets Inc. (24.3%), Morgan Stanley & Co. LLC (19.9%), Barclays Capital Inc. (17.7%) of the dollars its APs created and redeemed.

Who is the LMM for VO?

VO’s lead market maker (LMM) on NYSE Arca is Pundion. Lead market maker per NYSE Arca, as of Oct 23, 2026.
Sources and dates
Premium to NAVETFIQ, close against the issuer’s NAV · Sep 11, 2026 to Oct 22, 2026
CapacityETFIQ, each holding’s 20-day median dollar volume · to Oct 22, 2026
DealersForm N-CEN · the year to Dec 31, 2025
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 →VO fund page→
Cite this pageCitation, APA and Markdown

ETFIQ, VO trading: cost, capacity, premium and dealers, data as of Oct 22, 2026. https://etfiq.com/funds/vo/trading/

Open data →

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