{"url":"https://etfiq.com/rankings/trading-cheapest-thematic-etfs-to-trade","section":"rankings","title":"Cheapest Thematic ETFs to Trade: Bid-Ask Spreads | ETFIQ","description":"SOXQ leads cheapest thematic ETFs to trade at 0.010% (cost to trade), as of Oct 22, 2026. 100 funds from ETFIQ\u2019s own published figures.","as_of":"Oct 22, 2026","structured_data":[{"@type":"ItemList","name":"Cheapest thematic ETFs to 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thematic ETFs to trade","description":"SOXQ leads cheapest thematic ETFs to trade at 0.010% (cost to trade), as of Oct 22, 2026. 100 funds from ETFIQ\u2019s own published figures.","url":"https://etfiq.com/rankings/trading-cheapest-thematic-etfs-to-trade","dateModified":"2026-10-22","creator":{"@id":"https://etfiq.com/#org"},"license":"https://etfiq.com/license/","isAccessibleForFree":true,"creditText":"ETFIQ (etfiq.com)","publisher":{"@id":"https://etfiq.com/#org"},"inLanguage":"en","creativeWorkStatus":"Published","distribution":[{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/trading-score.json"}]},{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"What does an ETF\u2019s bid-ask spread cost?","acceptedAnswer":{"@type":"Answer","text":"Half the spread each way, on average, when you trade at the quote. A limit order at the midpoint plus half the spread caps it."}},{"@type":"Question","name":"Which ETF tops this list as of Oct 22, 2026?","acceptedAnswer":{"@type":"Answer","text":"SOXQ, at 0.010% one way, $1.00 on $10,000, from a 30-day median spread of 0.02% to Oct 22, 2026."}}]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"ETFIQ","item":"https://etfiq.com/"},{"@type":"ListItem","position":2,"name":"Rankings","item":"https://etfiq.com/rankings/"},{"@type":"ListItem","position":3,"name":"Cheapest thematic ETFs to trade","item":"https://etfiq.com/rankings/trading-cheapest-thematic-etfs-to-trade"}]},{"@type":"WebPage","name":"Cheapest Thematic ETFs to Trade: Bid-Ask Spreads","description":"SOXQ leads cheapest thematic ETFs to trade at 0.010% (cost to trade), as of Oct 22, 2026. 100 funds from ETFIQ\u2019s own published figures.","url":"https://etfiq.com/rankings/trading-cheapest-thematic-etfs-to-trade","dateModified":"2026-10-22","isPartOf":{"@type":"WebSite","name":"ETFIQ","url":"https://etfiq.com"},"speakable":{"@type":"SpeakableSpecification","cssSelector":[".lede",".faq"]},"publisher":{"@id":"https://etfiq.com/#org"}}],"characters":14524,"truncated":false,"content":"ETFIQ / Rankings / Cheapest thematic ETFs to trade \n \n As of Oct 22, 2026 . Rebuilt every trading night.\n Cheapest thematic ETFs to trade\n As of Oct 22, 2026, SOXQ\u2019s 30-day median bid-ask spread is 0.02%, so a $10,000 order costs $1.00 one way. See 100 funds ranked by cost to trade $10,000 one way, half the 30-day median bid-ask spread, lowest first, among thematic ETFs. Updated Oct 22, 2026.\n Cheapest thematic ETFs to trade, ranked by cost to trade $10,000 one way, half the 30-day median bid-ask spread, lowest first, among thematic ETFs, as of Oct 22, 2026. Scores and tiers as of Oct 22, 2026. Cost to trade is one way for a $10,000 order, half the issuer\u2019s median spread over the 30 days to Oct 20, 2026 to Oct 22, 2026. Full cost to own is for $10,000 held a year, with the median premium over 12 months to Oct 22, 2026. Source: ETFIQ. # Ticker Fund Score Tier Cost to trade At $10,000 Full cost to own \u00b7 1 yr Fee Flags Net assets \n 1 SOXQ Invesco PHLX Semiconductor ETF Not scored No tier 0.010% $1.00 Not measured 0.19% None $2.8bn \n 2 FDN First Trust Dow Jones Internet Index Fund Not scored No tier 0.020% $2.00 Not measured 0.49% None $5.1bn \n 3 KWEB KraneShares CSI China Internet ETF Not scored No tier 0.020% $2.00 Not measured 0.69% None $4.3bn \n 4 SILJ Amplify Junior Silver Miners ETF Not scored No tier 0.020% $2.00 Not measured 0.69% None $3.1bn \n 5 PNQI Invesco NASDAQ Internet ETF Not scored No tier 0.020% $2.00 Not measured 0.60% None $545m \n 6 QQQJ Invesco NASDAQ Next Gen 100 ETF Not scored No tier 0.025% $2.50 Not measured 0.15% None $1.2bn \n 7 NASA Tema Space Innovators ETF Not scored No tier 0.025% $2.50 Not measured 0.75% None $951m \n 8 CIBR First Trust NASDAQ Cybersecurity ETF Not scored No tier 0.030% $3.00 Not measured 0.58% None $17.7bn \n 9 PPA Invesco Aerospace & Defense ETF Not scored No tier 0.030% $3.00 Not measured 0.58% None $7.3bn \n 10 FTXL First Trust Nasdaq Semiconductor ETF Not scored No tier 0.030% $3.00 Not measured 0.60% None $1.1bn \n 11 AIRR First Trust RBA American Industrial Renaissance ETF Not scored No tier 0.035% $3.50 Not measured 0.69% None $8.2bn \n 12 SKYY First Trust Cloud Computing ETF Not scored No tier 0.035% $3.50 Not measured 0.60% None $3.5bn \n 13 MISL First Trust Indxx Aerospace & Defense ETF Not scored No tier 0.035% $3.50 Not measured 0.60% None $666m \n 14 PBW Invesco WilderHill Clean Energy ETF Not scored No tier 0.035% $3.50 Not measured 0.63% None $284m \n 15 RBLD First Trust Alerian U.S. NextGen Infrastructure ETF Not scored No tier 0.040% $4.00 Not measured 0.65% None $42m \n 16 FBT First Trust NYSE Arca Biotechnology Index Fund Not scored No tier 0.045% $4.50 Not measured 0.55% None $3.0bn \n 17 PHO Invesco Water Resources ETF Not scored No tier 0.045% $4.50 Not measured 0.59% None $2.0bn \n 18 QCLN First Trust Nasdaq Clean Edge Green Energy Index Fund Not scored No tier 0.045% $4.50 Not measured 0.59% None $470m \n 19 ONLN ProShares Online Retail ETF 66 Liquid with care 0.045% $4.50 0.72% 0.58% None $59m \n 20 PSI Invesco Semiconductors ETF Not scored No tier 0.050% $5.00 Not measured 0.55% None $2.4bn \n 21 FIW First Trust Water ETF Not scored No tier 0.050% $5.00 Not measured 0.50% None $1.8bn \n 22 PEJ Invesco Leisure and Entertainment ETF Not scored No tier 0.050% $5.00 Not measured 0.58% None $357m \n 23 GRID First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund Not scored No tier 0.055% $5.50 Not measured 0.56% None $11.1bn \n 24 PDBA Invesco Agriculture Commodity Strategy No K-1 ETF Not scored No tier 0.055% $5.50 Not measured 0.59% None $477m \n 25 IBBQ Invesco Nasdaq Biotechnology ETF Not scored No tier 0.060% $6.00 Not measured 0.19% None $114m \n 26 EPAI Harbor AI Inflection Strategy ETF Not scored No tier 0.060% $6.00 Not measured 0.88% None $5m \n 27 TKNQ Amplify Tokenization Technology Leaders ETF Not scored No tier 0.060% $6.00 Not measured 0.69% None $1m \n 28 HACK Amplify Cybersecurity ETF Not scored No tier 0.065% $6.50 Not measured 0.60% None $3.5bn \n 29 FAI First Trust Bloomberg Artificial Intelligence ETF Not scored No tier 0.065% $6.50 Not measured 0.65% None $251m \n 30 TAN Invesco Solar ETF Not scored No tier 0.070% $7.00 Not measured 0.70% None $874m \n 31 BLOK Amplify Blockchain Technology ETF Not scored No tier 0.075% $7.50 Not measured 0.70% None $930m \n 32 FAN First Trust Global Wind Energy ETF Not scored No tier 0.090% $9.00 Not measured 0.60% None $189m \n 33 IBUY Amplify Online Retail ETF Not scored No tier 0.090% $9.00 Not measured 0.65% None $129m \n 34 REXC Sprott Rare Earths Ex-China ETF Not scored No tier 0.090% $9.00 Not measured 0.65% None $69m \n 35 IGPT Invesco AI and Next Gen Software ETF Not scored No tier 0.095% $9.50 Not measured 0.57% None $1.3bn \n 36 CGW Invesco S&P Global Water Index ETF Not scored No tier 0.095% $9.50 Not measured 0.58% None $1.1bn \n 37 AIS VistaShares Artificial Intelligence Supercycle ETF Not scored No tier 0.095% $9.50 Not measured 0.75% One dealer $1.1bn \n 38 ROBT First Trust Nasdaq Artificial Intelligence and Robotics ETF Not scored No tier 0.095% $9.50 Not measured 0.65% None $743m \n 39 ETHO Amplify Etho Climate Leadership U.S. ETF Not scored No tier 0.095% $9.50 Not measured 0.45% One dealer $193m \n 40 MDEV First Trust Indxx Medical Devices ETF Not scored No tier 0.095% $9.50 Not measured 0.70% None $3m \n 41 PBE Invesco Biotechnology & Genome ETF Not scored No tier 0.10% $10 Not measured 0.59% None $431m \n 42 WELD Tema U.S. Manufacturing & Reshoring ETF Not scored No tier 0.10% $10 Not measured 0.75% None $240m \n 43 KMEM Kurv Memory Select ETF Not scored No tier 0.10% $10 Not measured 0.65% None $22m \n 44 TNXT T. Rowe Price Innovation Leaders ETF Not scored No tier 0.10% $10 Not measured 0.49% None $20m \n 45 URNM Sprott Uranium Miners ETF Not scored No tier 0.10% $11 Not measured 0.75% None $1.6bn \n 46 SATO Invesco Alerian Galaxy Crypto Economy ETF Not scored No tier 0.10% $11 Not measured 0.66% None $7m \n 47 AMMO VistaShares Defense Supercycle ETF Not scored No tier 0.10% $11 Not measured 0.75% None $2m \n 48 STBQ Amplify Stablecoin Technology Leaders ETF Not scored No tier 0.10% $11 Not measured 0.69% None $2m \n 49 KOID KraneShares Global Humanoid Robotics and Physical AI Index ETF Not scored No tier 0.11% $11 Not measured 0.69% None $327m \n 50 IQSZ Invesco Global Equity Net Zero ETF Not scored No tier 0.11% $11 Not measured 0.19% One dealer $168m \n 51 MSOS AdvisorShares Pure US Cannabis ETF Not scored No tier 0.11% $11 Not measured 0.78% None $752m \n 52 FPWR First Trust EIP Power Solutions ETF Not scored No tier 0.12% $12 Not measured 0.96% None $33m \n 53 VOLT Tema Electrification ETF Not scored No tier 0.12% $12 Not measured 0.75% None $757m \n 54 KNCT Invesco Next Gen Connectivity ETF Not scored No tier 0.12% $12 Not measured 0.40% None $147m \n 55 CNBS Amplify Seymour Cannabis ETF Not scored No tier 0.12% $12 Not measured 0.76% None $65m \n 56 FTAG First Trust Indxx Global Agriculture ETF Not scored No tier 0.12% $12 Not measured 0.70% One dealer $14m \n 57 NXTG First Trust Indxx NextG ETF Not scored No tier 0.13% $13 Not measured 0.70% None $541m \n 58 EKG First Trust Nasdaq Lux Digital Health Solutions ETF Not scored No tier 0.13% $13 Not measured 0.65% One dealer $10m \n 59 HVAC AdvisorShares HVAC and Industrials ETF Not scored No tier 0.13% $13 Not measured 1.00% One dealer $12m \n 60 AGIX KraneShares Public-Private AI & Technology ETF Not scored No tier 0.14% $14 Not measured 1.00% None $731m \n 61 SGDJ Sprott Junior Gold Miners ETF Not scored No tier 0.14% $14 Not measured 0.50% None $294m \n 62 THNR Amplify Weight Loss Drug & Treatment ETF Not scored No tier 0.14% $14 Not measured 0.59% None $6m \n 63 AIEQ Amplify AI Powered Equity ETF Not scored No tier 0.15% $15 Not measured 0.75% None $113m \n 64 POW VistaShares Electrification Supercycle ETF Not scored No tier 0.15% $15 Not measured 0.75% None $54m \n 65 TOLZ ProShares DJ Brookfield Global Infrastructure ETF Not scored No tier 0.15% $16 Not measured 0.46% None $168m \n 66 PBD Invesco Global Clean Energy ETF Not scored No tier 0.15% $16 Not measured 0.75% One dealer $102m \n 67 ILDR First Trust Innovation Leaders ETF Not scored No tier 0.16% $16 Not measured 0.75% None $337m \n 68 GGME Invesco Next Gen Media and Gaming ETF Not scored No tier 0.16% $16 Not measured 0.63% None $44m \n 69 GAMR Amplify Video Game Leaders ETF Not scored No tier 0.16% $16 Not measured 0.59% None $38m \n 70 IPAY Amplify Digital Payments ETF Not scored No tier 0.17% $17 Not measured 0.75% None $149m \n 71 DISK Tema Memory ETF Not scored No tier 0.17% $17 Not measured 0.75% None $52m \n 72 URNJ Sprott Junior Uranium Miners ETF Not scored No tier 0.17% $17 Not measured 0.80% None $286m \n 73 FSPC First Trust Bloomberg Space Economy ETF Not scored No tier 0.17% $17 Not measured 0.65% None $2m \n 74 COPP Sprott Copper Miners ETF Not scored No tier 0.18% $18 Not measured 0.66% None $246m \n 75 METL Sprott Active Metals & Miners ETF Not scored No tier 0.18% $18 Not measured 0.99% None $70m \n 76 LAZR Tema Photonics & Optical ETF Not scored No tier 0.18% $19 Not measured 0.75% None $180m \n 77 GBUG Sprott Active Gold & Silver Miners ETF Not scored No tier 0.18% $19 Not measured 0.90% None $159m \n 78 PAWZ ProShares Pet Care ETF 56 Liquid with care 0.18% $19 0.97% 0.50% None $34m \n 79 RTOO VistaShares Robotics Supercycle ETF Not scored No tier 0.18% $19 Not measured 0.75% None $3m \n 80 SETM Sprott Critical Materials ETF Not scored No tier 0.19% $19 Not measured 0.65% None $427m \n 81 DRNZ REX Drone ETF Not scored No tier 0.20% $20 Not measured 0.65% None $95m \n 82 HLTH Tema Healthcare AI ETF Not scored No tier 0.20% $20 Not measured 0.75% None not published \n 83 FDNI First Trust Dow Jones International Internet ETF Not scored No tier 0.20% $21 Not measured 0.65% One dealer $29m \n 84 BNGE First Trust S-Network Streaming & Gaming ETF Not scored No tier 0.21% $21 Not measured 0.70% None $5m \n 85 PIO Invesco Global Water ETF Not scored No tier 0.23% $23 Not measured 0.75% One dealer $270m \n 86 LEGR First Trust Indxx Innovative Transaction & Process ETF Not scored No tier 0.23% $23 Not measured 0.65% None $128m \n 87 GALX VistaShares Space Supercycle ETF Not scored No tier 0.23% $24 Not measured 0.75% None $3m \n 88 BATT Amplify Lithium & Battery Technology ETF Not scored No tier 0.24% $24 Not measured 0.59% None $98m \n 89 ARMY Tema International Defense ETF Not scored No tier 0.24% $24 Not measured 0.68% One dealer $12m \n 90 RCTR First Trust Bloomberg Nuclear Power ETF Not scored No tier 0.25% $25 Not measured 0.70% None $29m \n 91 ISHP First Trust S-Network E-Commerce ETF Not scored No tier 0.26% $26 Not measured 0.60% One dealer $5m \n 92 SGDM Sprott Gold Miners ETF Not scored No tier 0.26% $26 Not measured 0.46% None $606m \n 93 CUT Invesco MSCI Global Timber ETF Not scored No tier 0.28% $28 Not measured 0.76% None $30m \n 94 ION ProShares S&P Global Core Battery Metals ETF 41 Thin 0.28% $28 1.76% 0.58% Price can drift from value $10m \n 95 AWAY Amplify Travel Tech ETF Not scored No tier 0.29% $30 Not measured 0.75% None $23m \n 96 NIKL Sprott Nickel Miners ETF Not scored No tier 0.32% $32 Not measured 0.75% None $42m \n 97 DTRE First Trust Alerian Disruptive Technology Real Estate ETF Not scored No tier 0.32% $32 Not measured 0.60% One dealer $14m \n 98 TINY ProShares Nanotechnology ETF 23 Hard to trade 0.32% $32 1.69% 0.58% Price can drift from value $12m \n 99 PSIL AdvisorShares Psychedelics ETF Not scored No tier 0.32% $32 Not measured 1.00% None $46m \n 100 EVMT Invesco Electric Vehicle Metals Commodity Strategy No K-1 ETF Not scored No tier 0.34% $35 Not measured 0.59% One dealer $5m \n \n Method\n Every ETF ETFIQ places among thematic ETFs whose issuer states a 30-day median bid-ask spread, by the cost to trade a $10,000 order one way: half that spread. A tie is broken by net assets. 110 of the 4,708 ETFs that may be listed qualify tonight, and the first 100 are shown. The IQ Liquidity Score measures trading conditions, not the fund, and no list here is a recommendation. The list sorts one published figure, with no scoring or weighting. Too new and closing funds are left out, as are funds no longer listed.\n Questions people ask\n What does an ETF\u2019s bid-ask spread cost? Half the spread each way, on average, when you trade at the quote. A limit order at the midpoint plus half the spread caps it. Which ETF tops this list as of Oct 22, 2026? SOXQ , at 0.010% one way, $1.00 on $10,000, from a 30-day median spread of 0.02% to Oct 22, 2026. Where to next\n ETF trading costs and liquidity How the IQ Liquidity Score is built Most liquid ETFs Most liquid small ETFs Low-volume ETFs with deep liquidity ETFs whose full cost to own is far above the fee Widest ETF premiums and discounts, last 30 days ETFs with the most days more than 1% from NAV ETFs with one active authorized participant ETFs with the most authorized participants The trading score file Where these figures came from\n Rule 6c-11, what every ETF must publish daily: its spread, premium and holdings SEC EDGAR, full-text search of fund filings SEC Form N-PORT, what a fund filed it holds Rule 19a-1, what a distribution notice must say ETFIQ links to the documents behind every figure; a link is not an endorsement.\n A ranking is not a recommendation or an opinion. ETFIQ is an independent publisher, not an adviser. Standards and sources \n Cite this page. ETFIQ, Cheapest thematic ETFs to trade, ranked by cost to trade $10,000 one way, half the 30-day median bid-ask spread, lowest first, among thematic ETFs, data as of Oct 22, 2026. https://etfiq.com/rankings/trading-cheapest-thematic-etfs-to-trade Free to use with attribution for figures ETFIQ computes; issuer data stays under its owner's terms. The underlying files are at Open data .\n Other forms Plain ETFIQ, Cheapest thematic ETFs to trade, ranked by cost to trade $10,000 one way, half the 30-day median bid-ask spread, lowest first, among thematic ETFs, data as of Oct 22, 2026. https://etfiq.com/rankings/trading-cheapest-thematic-etfs-to-trade APA ETFIQ. (Oct 22, 2026). Cheapest thematic ETFs to trade, ranked by cost to trade $10,000 one way, half the 30-day median bid-ask spread, lowest first, among thematic ETFs. Retrieved from https://etfiq.com/rankings/trading-cheapest-thematic-etfs-to-trade Markdown [Cheapest thematic ETFs to trade, ranked by cost to trade $10,000 one way, half the 30-day median bid-ask spread, lowest first, among thematic ETFs (ETFIQ, Oct 22, 2026)](https://etfiq.com/rankings/trading-cheapest-thematic-etfs-to-trade)","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":"Figures ETFIQ computes are free to use with attribution: ETFIQ (etfiq.com). Issuer data stays under its owner's terms.","citation":"ETFIQ, Cheapest thematic ETFs to trade, ranked by cost to trade $10,000 one way, half the 30-day median bid-ask spread, lowest first, among thematic ETFs, data as of Oct 22, 2026. https://etfiq.com/rankings/trading-cheapest-thematic-etfs-to-trade"}