{"url":"https://etfiq.com/funds/mtba/trading/","section":"funds","title":"MTBA Bid-Ask Spread, Liquidity and NAV Premium | ETFIQ","description":"As of Nov 11, 2026, MTBA closed \u22120.07% from its NAV, and on 95% of the 4 days to then it was within \u00b10.08%. No fund is recommended.","as_of":"Nov 11, 2026","structured_data":[{"@type":"Dataset","@id":"https://etfiq.com/funds/mtba/trading/#data","name":"MTBA trading costs and liquidity","description":"As of Nov 11, 2026, MTBA closed \u22120.07% from its NAV, and on 95% of the 4 days to then it was within \u00b10.08%. No fund is recommended.","url":"https://etfiq.com/funds/mtba/trading/","dateModified":"2026-11-11","creator":{"@id":"https://etfiq.com/#org"},"license":"https://etfiq.com/license/","isAccessibleForFree":true,"creditText":"ETFIQ (etfiq.com)","variableMeasured":["30-day median bid-ask spread","Premium or discount to NAV","Capacity","Active authorized participants","IQ Liquidity Score","Cost to trade by order size"],"distribution":[{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/trading-score.json"}],"publisher":{"@id":"https://etfiq.com/#org"},"inLanguage":"en","creativeWorkStatus":"Published"},{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Does MTBA trade at a premium or discount to NAV?","acceptedAnswer":{"@type":"Answer","text":"It closed \u22120.07% from its NAV on Nov 11, 2026. On 95% of the 4 days to then it was within \u00b10.08%, and it closed more than 1% from NAV on 0 of them."}},{"@type":"Question","name":"Who is the AP for MTBA?","acceptedAnswer":{"@type":"Answer","text":"MTBA\u2019s latest Form N-CEN, for the period ending Jun 30, 2026, lists 16 authorized participants (APs), and 5 created or redeemed shares. The largest were Jane Street Capital, LLC (60.8%), BofA Securities, Inc. (27.6%), Virtu Americas LLC (6.1%) of the dollars its APs created and redeemed."}},{"@type":"Question","name":"Who is the LMM for MTBA?","acceptedAnswer":{"@type":"Answer","text":"MTBA\u2019s lead market maker (LMM) on NYSE Arca is Jane Street Capital, LLC. Lead market maker per NYSE Arca, as of Nov 9, 2026."}}]},{"@type":"InvestmentFund","@id":"https://etfiq.com/funds/mtba#fund","name":"Simplify MBS ETF","alternateName":"MTBA","url":"https://etfiq.com/funds/mtba","identifier":[{"@type":"PropertyValue","propertyID":"tickerSymbol","value":"MTBA"}],"mainEntityOfPage":{"@id":"https://etfiq.com/funds/mtba#webpage"}},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"ETFIQ","item":"https://etfiq.com/"},{"@type":"ListItem","position":2,"name":"MTBA","item":"https://etfiq.com/funds/mtba"},{"@type":"ListItem","position":3,"name":"Trading","item":"https://etfiq.com/funds/mtba/trading/"}]},{"@type":"WebPage","name":"MTBA Bid-Ask Spread, Liquidity and NAV Premium","description":"As of Nov 11, 2026, MTBA closed \u22120.07% from its NAV, and on 95% of the 4 days to then it was within \u00b10.08%. No fund is recommended.","url":"https://etfiq.com/funds/mtba/trading/","dateModified":"2026-11-11","isPartOf":{"@type":"WebSite","name":"ETFIQ","url":"https://etfiq.com"},"speakable":{"@type":"SpeakableSpecification","cssSelector":[".lede",".faq"]},"publisher":{"@id":"https://etfiq.com/#org"}}],"characters":5438,"truncated":false,"content":"ETFIQ / MTBA / Trading \n \n As of Nov 11, 2026. Rebuilt every trading night.\n MTBA bid-ask spread and liquidity\n As of Nov 11, 2026, MTBA closed \u22120.07% from its NAV, and on 95% of the 4 days to then it was within \u00b10.08%.\n IQ Liquidity Score\n Not scored, 1 of 6 measured.\n 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 \n 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: 4 days of closing premium are held, under the 20 needed Primary market, 85.0 5 active dealers of 16; largest 61% of creations and redemptions, N-CEN to Jun 30, 2026 Bad-day behaviour Not measured: 0 of the 10 worst days and 4 other days are held, under the 5 and 60 needed Depth Not measured: needs trade and quote data (Phase 2) \n Premium or discount to NAV\n Latest close, Nov 11, 2026: \u22120.07%\n 95% of days within: \u00b10.08%\n Days more than 1% from NAV: 0 of 4\n Widest: \u22120.08%, Nov 6, 2026\n Close against the NAV its issuer struck the same day, 4 days from Nov 6, 2026 to Nov 11, 2026. Source: ETFIQ from the issuer\u2019s NAV and closing price.\n Capacity\n Not measured: its holdings are bonds, which have no volume source here.\n Dealers\n 5 active of 16 authorized participants; the largest did 61% of creations and redemptions, in the year to Jun 30, 2026 (Form N-CEN filed Sep 23, 2026).\n The active authorized participants, largest first, by share of the dollars created and redeemed: Jane Street Capital, LLC (60.8%), BofA Securities, Inc. (27.6%), Virtu Americas LLC (6.1%), Goldman Sachs & Co. LLC (5.3%), BMO Capital Markets Corp. (0.2%). 11 more were listed and created or redeemed nothing.\n How to trade MTBA\n When ETF spreads are usually widest in the first minutes after the open and the last minutes before the close. ETFIQ measures this fund\u2019s own day once it has trade data. Watch The premium. On 95% of days it is within \u00b10.08%; beyond that a buyer pays more, and a seller gets less, than the holdings are worth. What retail orders paid\n In Sep 2026, retail market orders in MTBA paid $1.70 one way on $10,000, against $1.07 at the quote. 71% of shares filled better than the quote.\n MTBA: what retail market orders paid one way on $10,000, Sep 2026, half the effective spread. Source: SEC Rule 605 reports; computed by ETFIQ. Orders One way on $10,000 \n All wholesalers read $1.70 \n Vanguard customers $0.38 \n Robinhood customers $0.59 \n Fidelity customers $0.75 \n Schwab customers $0.78 \n MTBA ranked 470th of 4,090 ETFs by retail order activity in Sep 2026, an ETFIQ estimate. It drew 0.03% of the market-order dollars in 4 retail brokers\u2019 reports. Retail activity ranking \n Where it trades\n In Q2 2026, 79% of MTBA\u2019s shares traded off exchange on the median day. Odd lots, under 100 shares, were 11.3% of its exchange volume.\n Coming with trade data\n Spread through the day, buyers against sellers, large trades and the closing auction\u2019s share, each once ETFIQ has trade and quote data.\n Questions people ask\n Does MTBA trade at a premium or discount to NAV? It closed \u22120.07% from its NAV on Nov 11, 2026. On 95% of the 4 days to then it was within \u00b10.08%, and it closed more than 1% from NAV on 0 of them. Who is the AP for MTBA? MTBA\u2019s latest Form N-CEN, for the period ending Jun 30, 2026, lists 16 authorized participants (APs), and 5 created or redeemed shares. The largest were Jane Street Capital, LLC (60.8%), BofA Securities, Inc. (27.6%), Virtu Americas LLC (6.1%) of the dollars its APs created and redeemed. Who is the LMM for MTBA? MTBA\u2019s lead market maker (LMM) on NYSE Arca is Jane Street Capital, LLC. Lead market maker per NYSE Arca, as of Nov 9, 2026. Sources and dates\n Premium: ETFIQ, close against the issuer\u2019s NAV, Nov 6, 2026 to Nov 11, 2026.\n Dealers: Form N-CEN, the year to Jun 30, 2026, accession 0000940400-26-037960.\n Retail orders: SEC Rule 605 reports, Sep 2026, from Charles Schwab, G1 Execution Services, Fidelity Brokerage Services, Robinhood, HRT Financial, Jane Street Capital, Vanguard. Computed by ETFIQ. Citadel Securities refused ETFIQ\u2019s request, so its orders are not counted.\n Where it trades: SEC MIDAS, Q2 2026, against the fund\u2019s daily volume from Tiingo.\n Where to next\n MTBA fund page ETF trading costs and liquidity Limit orders vs market orders for ETFs Why low volume does not mean illiquid How the IQ Liquidity Score is built Compare MTBA with another fund The score measures trading conditions, not the fund. ETFIQ is an independent publisher, not an adviser, and makes no recommendations. Standards and sources \n Cite this page. ETFIQ, MTBA trading: cost, capacity, premium and dealers, data as of Nov 11, 2026. https://etfiq.com/funds/mtba/trading/ Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms. The underlying files are at Open data .\n Other forms Plain ETFIQ, MTBA trading: cost, capacity, premium and dealers, data as of Nov 11, 2026. https://etfiq.com/funds/mtba/trading/ APA ETFIQ. (Nov 11, 2026). MTBA trading: cost, capacity, premium and dealers. Retrieved from https://etfiq.com/funds/mtba/trading/ Markdown [MTBA trading: cost, capacity, premium and dealers (ETFIQ, Nov 11, 2026)](https://etfiq.com/funds/mtba/trading/)","source":"ETFIQ, independent ETF data. Recomputed nightly from public filings and prices.","publisher":{"@id":"https://etfiq.com/#org","name":"ETFIQ","url":"https://etfiq.com"},"license":"https://etfiq.com/license/","license_text":"Data ETFIQ computes is free to use with attribution: ETFIQ (etfiq.com). Issuer data stays under its owner's terms.","citation":"ETFIQ, MTBA trading: cost, capacity, premium and dealers, data as of Nov 11, 2026. https://etfiq.com/funds/mtba/trading/"}