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Market Data

How to read the numbers behind crypto: market cap and supply, ETF flows, Bitcoin dominance, exchange reserves, TVL and on-chain activity.

85 guides29 beginner56 intermediate
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A dark desk with a glowing blue cable, a blank smartphone, a blank terminal, blank cards and a metal key, with the guide title over it.Market DataBeginnerHow to use a free crypto price APIA free crypto price API returns coin quotes and market data over web requests; compare free-tier limits, get a key, and check the JSON in a test call.Vahe Hakobyan3 min readRead guide

All Market Data guides

Every guide in this topic, labelled by level.

Spot crypto ETF vs futures crypto ETF title over a dark navy background with a glass block and blank contract papers.Market DataIntermediateSpot vs futures crypto ETFs: what you ownA spot crypto ETF holds actual coins while a futures crypto ETF holds contracts, so roll costs and tracking error can pull their returns apart.3 min read · Updated Oct 6, 2026 The title and Bitcoin logo over a dark desk with a monitor showing orange charts, a hardware wallet, and a padlock.Market DataIntermediateSpot Bitcoin ETF shares: how they track BitcoinSpot Bitcoin ETF shares track the fund's Bitcoin holdings and net asset value, though market hours, fees and cash flows can cause small gaps from Bitcoin.3 min read · Updated Oct 6, 2026 The title What is a crypto ETF expense ratio? over a dark navy desk with blank fund documents, a calculator and a folder lit by soft blue.Market DataIntermediateCrypto ETF expense ratios: what they cost youA crypto ETF expense ratio is the fund's yearly operating cost, taken from assets and charged daily. The fund must disclose it in its prospectus.3 min read · Updated Oct 6, 2026 The title over a dark vault with a steel safe, blank metal coins and a storage plate lit in blue.Market DataIntermediateCrypto ETF custody risks and who holds the coinsCrypto ETF custody risk is the chance a fund's custodian fails, is hacked, or loses keys. You hold shares, not coins. SIPC does not cover the fund's coins.3 min read · Updated Oct 6, 2026 A dark navy desk with blank forms, a calculator, and a pen, lit by orange glow on the right; the guide title and Bitcoin logo appear on the left.Market DataIntermediateSpot Bitcoin ETFs: how to compare cost, tracking and custodyCompare spot Bitcoin ETFs on expense ratio, tracking, liquidity, custody and taxes before you buy. The first US spot funds won SEC approval in January 2024.3 min read · Updated Oct 6, 2026 The title How to compare spot Ethereum ETFs with the Ethereum logo over a dark desk with a glowing blue chart and blank booklets.Market DataIntermediateHow to compare spot Ethereum ETFs: cost and custodySpot Ethereum ETFs hold ether or track its price, so compare cost, trading, custody and tax reporting; the SEC approved US spot ether funds in 2024.3 min read · Updated Oct 6, 2026 Bitcoin ETF vs holding Bitcoin directly guide cover with the Bitcoin logo over a dark desk of blank coins, a glass vault and a padlock.Market DataIntermediateBitcoin ETF vs holding bitcoin directly: how they differA bitcoin ETF is a fund share you buy through a brokerage, while holding bitcoin directly means you own the asset and its keys. Taxes and rules differ.3 min read · Updated Oct 6, 2026 The title Ethereum ETF vs holding ETH directly with the Ethereum logo over glowing glass cubes on a dark navy backgroundMarket DataIntermediateEthereum ETF vs holding ETH directly: what differsAn Ethereum ETF is fund shares at a broker; holding ETH directly means you control the token in your own wallet. Spot ETFs won SEC approval in 2024.3 min read · Updated Oct 6, 2026 A dark navy cover with a stack of blank metal coins, a glass panel and a folder lit by blue light, with the guide title.Market DataIntermediateCrypto ETF tracking error: what it is and why it happensTracking error measures how steadily a crypto ETF follows its coin. Cash holdings, trading costs, and share creation can widen the gap over time.3 min read · Updated Oct 6, 2026 The title sits over a dark desk with a glowing blue monitor showing abstract bars and a steel keyboard.Market DataIntermediateWhy crypto ETF trading hours matter for your exposureCrypto ETFs generally trade during the regular US stock session, so overnight crypto moves wait for the next open and the ETF price can gap at the bell.3 min read · Updated Oct 6, 2026 The title sits over a dark navy desk with glowing blue monitors showing abstract flow charts on the right.Market DataIntermediateCrypto ETF inflows and outflows: how creations workETF inflows are net share creations and outflows are net redemptions; the first US spot bitcoin ETFs, approved in January 2024, used cash creations.3 min read · Updated Oct 6, 2026 The title What can ETF flows tell us about market demand over dark monitors showing glowing blue charts.Market DataIntermediateCrypto ETF flows: what they say about demandCrypto ETF flows show net demand for fund shares, not total coin demand. US bitcoin and ether fund reports are delayed, estimated and not real-time.3 min read · Updated Oct 6, 2026 A dark desk with monitors showing abstract blue bars and light traces, the left side empty in shadowMarket DataIntermediateWhat crypto ETF flows cannot tell youCrypto ETF flows cannot tell you who bought or why. They track net creations and redemptions, often leaving out secondary trades and fund switches.3 min read · Updated Oct 6, 2026 The title What is institutional crypto custody? over a dark navy vault with steel boxes and a glowing blue light stripMarket DataIntermediateInstitutional crypto custody: what it is and who uses itInstitutional crypto custody holds crypto for funds and companies, not retail users. It usually uses segregated wallets and multi-party approvals.3 min read · Updated Oct 6, 2026 A vault door and glowing safe deposit boxes with blank metal bars on the right, title over dark navy background.Market DataIntermediateHow banks custody digital assets for clientsBanks custody digital assets through a regulated trust unit or a hired qualified custodian, and the coins are not a bank deposit or FDIC-insured.3 min read · Updated Oct 6, 2026 A dark navy desk with blank glass panels and a metal bar lit by blue glow on the right, empty shadow on the leftMarket DataIntermediateCrypto ETPs: what they are and what you ownA crypto ETP is an exchange-traded product that tracks a crypto asset's price. You buy it in a brokerage account and do not own the underlying coin.3 min read · Updated Oct 6, 2026 The title What is a crypto trust product appears over a dark navy scene with blank coins in a glass vault lit by blue light.Market DataIntermediateCrypto trust products: what they are and how they workA crypto trust product is a pooled investment that holds crypto and sells shares. You trade those shares in a brokerage account, not a crypto exchange.3 min read · Updated Oct 6, 2026 Title over a dark navy desk with blank futures contracts, a blue clock and a glowing monitorMarket DataIntermediateCrypto futures ETFs: how they roll contractsA crypto futures ETF rolls by selling expiring contracts and buying later ones. The fund begins early, following the schedule in its prospectus.3 min read · Updated Oct 6, 2026 The title How to read a crypto ETF prospectus over a dark desk with blank papers, a magnifying glass and a folder lit by blue glow.Market DataIntermediateHow to read a crypto ETF prospectus: fees, risks and taxA crypto ETF prospectus lists fees, holdings, risks and tax rules; start with the fee table, then check spot versus futures and the custodian.3 min read · Updated Oct 6, 2026 The title sits over a dark navy background with a stack of blank coins, a glass vault and blank papers lit in blue.Market DataIntermediateHow Crypto ETFs Fit Into a Traditional PortfolioCrypto ETFs trade like stocks and usually fit as a small satellite in a stock-and-bond portfolio. Spot funds hold coins; futures funds hold contracts.3 min read · Updated Oct 6, 2026 The title What is an authorized participant in an ETF? over a dark navy scene with paper certificates and a glass vault on the right.Market DataIntermediateAuthorized participants in crypto ETFs: how they workAn authorized participant is a large firm that creates and redeems ETF shares. Spot crypto ETFs: it delivers cash or crypto to the issuer for new shares.3 min read · Updated Oct 6, 2026 Crypto stocks vs crypto ETFs title over a dark desk with blue glowing monitors, blank certificates and a lockMarket DataIntermediateCrypto stocks vs crypto ETFs: how exposure differsCrypto stocks track one company, while crypto ETFs track a fund holding assets or futures. US spot bitcoin ETFs won SEC approval in January 2024.3 min read · Updated Oct 6, 2026 The title What is a crypto whale over a dark navy background with a stack of coins and a glowing vault.Market DataBeginnerCrypto whale wallet: definition and how it worksA crypto whale wallet holds a very large amount of one cryptocurrency. Public explorers often show balances, but the owner is usually not named.3 min read · Updated Oct 6, 2026 A dark desk with a glowing blue price chart, a smartphone showing a bell icon, and a small silver bell, with the left side empty.Market DataBeginnerCrypto price alerts: how to set them safelyYou can set cryptocurrency price alerts in an exchange app, a portfolio tracker or a price site. Alerts only notify you and never place a trade.3 min read · Updated Oct 6, 2026 A dark desk with a glowing blue cable, a blank smartphone, a blank terminal, blank cards and a metal key, with the guide title over it.Market DataBeginnerHow to use a free crypto price APIA free crypto price API returns coin quotes and market data over web requests; compare free-tier limits, get a key, and check the JSON in a test call.3 min read · Updated Oct 6, 2026