# WCPB Bid-Ask Spread, Liquidity and NAV Premium > WCPB trading costs and liquidity: spread, premium to NAV, capacity and dealers, from ETFIQ. Spread, premium to NAV, capacity and dealers, dated. Data as of Aug 13, 2026. Rebuilt every trading night. As of Aug 13, 2026. Rebuilt every trading night. ## WCPB 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: its holdings are bonds, which have no volume source here Price fidelity Not measured: no closing premium is held for this fund Primary market, 85.0 5 active dealers of 5; largest 56% of creations and redemptions, N-CEN to May 31, 2026 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: its holdings are bonds, which have no volume source here. ### Dealers 5 active of 5 authorized participants; the largest did 56% of creations and redemptions, in the year to May 31, 2026 (Form N-CEN filed Aug 13, 2026). The active authorized participants, largest first, by share of the dollars created and redeemed: Merrill Lynch, Pierce, Fenner and Smith Incorporated (55.9%), Virtu Financial (27.5%), J.P. Morgan Securities LLC (9.4%), Mirae Asset Securities (USA) Inc. (5.7%), Goldman Sachs & Co. LLC (1.6%). ### How to trade WCPB 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 WCPB? WCPB’s latest Form N-CEN, for the period ending May 31, 2026, lists 5 authorized participants (APs), and 5 created or redeemed shares. The largest were Merrill Lynch, Pierce, Fenner and Smith Incorporated (55.9%), Virtu Financial (27.5%), J.P. Morgan Securities LLC (9.4%) of the dollars its APs created and redeemed. Who is the LMM for WCPB? WCPB’s lead market maker (LMM) on NYSE Arca is Citadel Securities LLC. Lead market maker per NYSE Arca, as of Oct 23, 2026. ### Sources and dates - Dealers: Form N-CEN, the year to May 31, 2026, accession 0000910472-26-011574. ### 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 --- Source: ETFIQ, independent ETF data. Recomputed nightly from public filings and prices. Cite: ETFIQ, WCPB trading: cost, capacity, premium and dealers, data as of Aug 13, 2026. https://etfiq.com/funds/wcpb/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/wcpb/trading/