# MEMS Bid-Ask Spread, Liquidity and NAV Premium

> MEMS trading costs and liquidity: spread, premium to NAV, capacity and dealers, from ETFIQ. Spread, premium to NAV, capacity and dealers, dated.

Data as of Mar 10, 2026. Rebuilt every trading night.

As of Mar 10, 2026. Rebuilt every trading night.

## MEMS bid-ask spread and liquidity

### IQ Liquidity Score

Not scored, 1 of 6 measured.

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 can be bought and sold, not whether to own it. How the score is built

Cost to trade Not measured: the issuer's 30-day median spread is not read for this fund Capacity Not measured: 9.2% of its long weight could be measured; the largest part not measured is foreign Price fidelity Not measured: no closing premium is held for this fund Primary market, 0.0 0 active dealers of 7, N-CEN to Dec 31, 2025 Bad-day behaviour Not measured: no daily closing premium is held for this fund Depth Not measured: needs trade and quote data (Phase 2)

### Capacity

Not measured: 9.2% of its long weight could be measured; the largest part not measured is foreign.

### Dealers

0 active of 7 authorized participants, in the year to Dec 31, 2025 (Form N-CEN filed Mar 10, 2026).

### How to trade MEMS

When ETF spreads are usually widest in the first minutes after the open and the last minutes before the close. ETFIQ measures this fund’s own day once it has trade data.

### Coming with trade data

Spread through the day, buyers against sellers, an estimate of retail flow, large trades and the closing auction’s share, each once ETFIQ has trade and quote data.

### Questions people ask

Who is the AP for MEMS? MEMS’s latest Form N-CEN, for the period ending Dec 31, 2025, lists 7 authorized participants (APs), and 0 created or redeemed shares. Who is the LMM for MEMS? MEMS’s lead market maker (LMM) on Nasdaq is Jane Street Capital, LLC. Lead market maker per Nasdaq, as of Oct 23, 2026.

### Sources and dates

- Dealers: Form N-CEN, the year to Dec 31, 2025, accession 0000940400-26-009746.

### Where to next

The score measures trading conditions, not the fund. ETFIQ is an independent publisher, not an adviser, and makes no recommendations. Standards and sources

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Source: ETFIQ, independent ETF data. Recomputed nightly from public filings and prices.
Cite: ETFIQ, MEMS trading: cost, capacity, premium and dealers, data as of Mar 10, 2026. https://etfiq.com/funds/mems/trading/
Licence: https://etfiq.com/license/ Figures ETFIQ computes are free to use with attribution: ETFIQ (etfiq.com). Issuer data stays under its owner's terms.
HTML: https://etfiq.com/funds/mems/trading/