IQ
ALDB
Aptus Laddered Deep Buffer ETF
Category BufferIssuer AptusFee 0.30%

ALDB bid-ask spread and liquidity

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

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Not scored

IQ Liquidity Score

· 0 of 6 measured · Nov 12, 2026
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
Not measured · no reference asset on its record
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Price fidelity
Not measured · no closing premium is held for this fund
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Primary market
Not measured · no SEC series id or CIK on its record
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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 →

ALDB is not scored: its spread is not read, so it has no point on this chart. 347 scored Buffer ETFs are plotted for comparison, Nov 12, 2026.

Spread against score

ALDB among Buffer ETFs

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

347 scored
Hard to tradeThinLiquid with careLiquidTrades like a giantNov 12, 2026
CapacityWhat the holdings can absorb a day

Not measured: no reference asset on its record.

Retail order activity

2026-09

ALDB ranked 3506th of 4,090 ETFs by retail order activity in Sep 2026, an ETFIQ estimate.

0.0001% of the market-order dollars in 3 retail brokers’ reports. Buys and sells together. Retail activity ranking →

Where it trades

Q2 2026, 33 trading days
Off exchange
48%
Odd lots, of exchange volume
2.7%

In Q2 2026, 48% of ALDB’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.
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.

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 ALDB?

ALDB’s lead market maker (LMM) on Cboe BZX is Wolverine Trading, LLC. Lead market maker per Cboe BZX, 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 →ALDB fund page→
Sources and dates
Retail ordersSEC Rule 605 reports · Sep 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, ALDB trading: cost, capacity, premium and dealers, data as of Nov 12, 2026. https://etfiq.com/funds/aldb/trading/

Open data →

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