Idex Taxes: How to Generate Your Crypto Tax Report
Every token swap and trade on Idex creates a taxable event recorded permanently on the Ethereum blockchain. As a decentralised exchange operated by Aurora Labs, Idex lets you trade on-chain without a centralised intermediary — but your tax obligations are the same as any other exchange. CoinTracking imports your full Idex trade history via API or CSV, calculates gains and losses with the correct cost basis, and generates a compliant tax report for your jurisdiction.
How to Import Your Idex Transactions into CoinTracking
Watch how to connect your Idex account via API or download your trade history CSV and import it into CoinTracking to generate your complete crypto tax report.
Start Your Free Idex Import- Every token swap, trade, and disposal on Idex is a taxable event in most jurisdictions. As an Ethereum-based DEX, each on-chain trade involves two assets — both sides create a taxable event. Capital gains tax and income tax may both apply.
- CoinTracking imports Idex transactions via API auto-import (connect once, stay synced) or CSV upload (Trade History → Download CSV). Note: the CSV export does not include deposits, withdrawals, or fees.
- Moving tokens between your own wallets is generally not a taxable event. Buying and holding crypto is not taxable until you dispose of it — but Ethereum gas fees paid during trades may be deductible.
- Tax compliance is your responsibility. Idex is a decentralised exchange — all trades are recorded permanently on the Ethereum blockchain and are fully visible to tax authorities. It does not file your tax return on your behalf. All swaps and disposals on Idex must be declared by you. Failing to report DeFi gains can result in penalties and back-tax assessments.
Idex and Your Tax Obligations
Idex is a decentralised cryptocurrency exchange (DEX) built on the Ethereum network and the Aurora Layer 2 platform. Operated by Aurora Labs, a US-based company, Idex offers on-chain spot trading with a hybrid order-book model that combines the speed of a centralised exchange with the security of non-custodial, trustless settlement on Ethereum.
All transactions executed through your Idex account are recorded on-chain and generate taxable events. Whether you trade ERC-20 tokens, swap assets, or earn rewards, each event must be reported to your tax authority.
CoinTracking supports Idex via two import methods:
- API auto-import: generate a read-only API key at exchange.idex.io/user/manage and enter it in CoinTracking for automatic, ongoing sync
- CSV upload: export your trade history from exchange.idex.io/activity/trades (Trade History → Download CSV) and upload it to CoinTracking
- Note: deposits, withdrawals, and fees are not included in the Idex CSV — use the API for the most complete import
- For a full DeFi picture, supplement your Idex import with your Ethereum wallet address to capture all on-chain transfers and gas fees
Crypto Tax Basics: What Idex Users Need to Know
Idex serves traders globally. As a decentralised exchange, it operates outside the EU regulatory framework — but your tax obligations depend on your country of residence, not where the exchange is based. The core principles below apply broadly to DEX trading; always verify the specifics with your local tax authority or a qualified tax advisor.
Every on-chain swap is a taxable disposal
When you swap Token A for Token B on Idex, you are disposing of Token A and acquiring Token B. In most countries, this disposal triggers capital gains tax. The taxable gain is the difference between the proceeds (the fair market value of Token B received) and your cost basis for Token A (what you originally paid for it, including fees). Because each swap involves two assets, both sides of every trade must be tracked precisely.
Ethereum gas fees and DeFi costs
Every Idex transaction consumes Ethereum gas, paid in ETH. In many jurisdictions, gas fees paid when acquiring or disposing of an asset can be added to the cost basis or deducted from proceeds, reducing your taxable gain. CoinTracking tracks gas fees alongside each Idex trade and applies them correctly based on your selected jurisdiction and cost-basis method.
Record-keeping for DEX trades
Accurate record-keeping is essential for every on-chain event. Each trade must be documented with the date, asset pairs, quantities, USD values, and gas costs. While all Idex trades are visible on the Ethereum blockchain, manually reconciling blockchain data with cost basis information is complex without dedicated software. CoinTracking maintains a complete, timestamped audit trail of every Idex transaction you import and produces reports formatted for your jurisdiction.
Idex Taxes by Country
Crypto tax rules differ by market. Below are the key rates, deadlines and filing forms for the countries where CoinTracking users trade most actively on decentralised exchanges.
Germany
- Disposal tax: Personal income tax rate (up to 45%); gains are tax-free if held longer than 1 year (Haltefrist)
- Annual exemption: Gains up to €1,000/year are tax-free
- DEX swaps: Each token swap on Idex is a disposal and triggers § 23 EStG — the one-year holding period applies per asset
- Gas fees: ETH gas fees are deductible as acquisition or disposal costs
- Cost basis: FIFO per wallet
- Authority: Finanzamt
- Forms: Anlage SO
Austria
- 27.5% capital gains tax: Since March 2022, crypto is taxed like shares — a flat 27.5% KESt applies to gains
- Old coins grandfathered: Crypto acquired before 28 February 2021 is tax-free on disposal
- DEX swaps: Token swaps on Idex are treated as disposals and acquisitions; gain calculated on each disposal
- Authority: Finanzamt Austria. Report via Einkommensteuererklärung (E1 / E1kv)
Switzerland
- Capital gains: Generally tax-free for private investors; professional traders are taxed as self-employed income
- Wealth tax: Crypto holdings subject to wealth tax at cantonal rates based on year-end market value
- DeFi / DEX: Frequent trading or yield-generating DeFi activity may be classified as professional trading; consult a cantonal advisor
- Authority: Cantonal tax authority (varies by canton)
United Kingdom
- Capital Gains Tax: 18% (basic rate) or 24% (higher rate) from October 2024
- Annual exempt amount: £3,000 (2024/25 onward)
- DEX swaps: HMRC treats each token swap as a disposal; Section 104 pool applies per asset
- Cost basis: Section 104 pool (HMRC rules)
- Authority: HMRC
- Forms: Self Assessment SA100, SA108
Spain
- Savings income (IRPF): 19% up to €6,000; 21% up to €50,000; 23% up to €200,000; 27% up to €300,000; 28% above
- Foreign crypto disclosure: Modelo 721 required if portfolio exceeds €50,000 abroad
- Authority: Agencia Tributaria (AEAT)
- Forms: Modelo 100 (IRPF), Modelo 721
Poland
- Flat rate: 19% on all crypto gains (no holding period exemption)
- Loss carryforward: Up to 5 years
- Cost basis: FIFO
- Authority: Urząd Skarbowy
- Form: PIT-38
Italy
- Flat rate: 26% on gains exceeding €2,000/year (from 2023)
- Foreign holdings disclosure: Quadro RW required if portfolio exceeds €15,000
- Authority: Agenzia delle Entrate
- Forms: Quadro RT (gains), Quadro RW (foreign holdings)
Portugal
- Disposal tax: 28% on gains from crypto held less than 1 year (from 2023)
- Long-term holding: Tax-free on disposal if held 1 year or longer
- Authority: Autoridade Tributária (AT)
- Forms: Modelo 3, Anexo G or Anexo J
France
- Flat 30% tax (PFU): Gains from crypto disposals are subject to the prélèvement forfaitaire unique — 12.8% income tax + 17.2% social charges
- No exemption for holding period: Unlike Germany, there is no tax-free threshold after 1 year
- Professional traders: High-frequency DeFi trading may be classified as BNC (non-commercial income) at progressive rates
- Authority: DGFiP. Declare via Formulaire 2086
Tax rules change frequently. This overview is for general information only and does not constitute tax advice. Consult a qualified advisor for your specific situation.
Are Idex Transactions Taxable?
In most jurisdictions, every on-chain swap on Idex is a disposal and a taxable event. Use this as a starting reference — exact rules vary by country.
Taxable Events
- Swapping or trading ERC-20 tokens on Idex
- Selling crypto for fiat (EUR, USD, etc.)
- Using crypto to pay for goods or services
- Receiving trading rewards or staking income
Not Taxable
- Buying and holding crypto
- Transferring tokens between your own wallets
- Depositing fiat or crypto to Idex
- Receiving crypto as a personal gift
Tax treatment varies by country. CoinTracking applies the rules for your selected jurisdiction automatically.
How to Calculate Your Idex Taxes
Active traders on Idex can accumulate hundreds of on-chain swaps in a single tax year, each with a unique timestamp, token pair, and USD value. Calculating cost basis across multiple ERC-20 tokens — while accounting for ETH gas fees and DeFi rewards — quickly becomes impractical without dedicated software.
CoinTracking imports your complete Idex trade history via API or CSV, applies your chosen cost-basis method (FIFO, LIFO, HIFO, and others), calculates gains and losses for every swap, and separates trading income from capital gains in your final report.
The result is a jurisdiction-specific tax report — PDF or Excel — that your accountant or tax authority will accept, with a full audit trail for every on-chain transaction.
How to Import Idex into CoinTracking
Three steps to import your Idex data and generate your tax report.
- 1
Log into CoinTracking and open Imports
After logging in, click the Import icon in the left navigation. This is where you connect all your exchanges, wallets and blockchains.
- 2
Search for Idex in the import list
Type "Idex" in the search field. CoinTracking will show the Idex import option — click it to open the import page.
- 3
Connect via API or upload your Idex CSV
Choose your preferred import method: connect automatically using your Idex API key (from exchange.idex.io/user/manage), or upload your trade history CSV (from exchange.idex.io/activity/trades → Download CSV). All your Idex trades will be imported automatically.
"CoinTracking can handle just about any complex transaction you can throw at it and the automation is a real lifesaver. Of all the tax software tools we've reviewed, CoinTracking is the most detail-oriented and has more accuracy checks in place than the competition."
How to Create Your Idex
Tax Report with CoinTracking
Three steps from import to a tax report your accountant will accept.
Import your Idex transactions
Connect via the Idex API (exchange.idex.io/user/manage → Generate API Key) or download your trade history CSV (exchange.idex.io/activity/trades) and upload it to CoinTracking. All trades are imported automatically.
Review your transactions
Open Reports → Validate Transactions. CoinTracking flags missing cost basis entries, duplicate imports, and price gaps so your final report is accurate — especially important for multi-token DeFi trading histories.
Generate and export your tax report
Select your country and tax year. CoinTracking generates a report formatted for your jurisdiction: PDF or Excel, ready to file or hand to your accountant.
No. Idex does not generate a ready-to-file tax report. You can export your trade history as a CSV file from the Trade History section at exchange.idex.io/activity/trades, or connect via the Idex API in CoinTracking. CoinTracking then calculates your gains, losses, and income and generates a compliant tax report for your jurisdiction. Note that deposits, withdrawals, and fees are not included in the Idex CSV export.
Log in to your Idex account at exchange.idex.io and hover over your wallet icon in the top-right corner. Select Trade History (or navigate to exchange.idex.io/activity/trades) and click Download CSV. You can also connect directly via the Idex API: in CoinTracking, open the Imports section, search for "Idex", and enter your API Key and Secret from the Idex API Management page at exchange.idex.io/user/manage. Note that the CSV export does not include deposits, withdrawals, or fees.
Yes. Every token swap, trade, or disposal of cryptocurrency through Idex creates a taxable event in most jurisdictions. As a decentralised exchange, Idex executes trades directly on-chain, but this does not change your tax obligations. Capital gains tax applies to the difference between your cost basis and the proceeds of each trade. Any liquidity-providing rewards or staking income received may also be taxable as ordinary income in the year earned.
Idex is built on Ethereum and the Aurora network. Each on-chain trade is a disposal of one asset and an acquisition of another — both sides create taxable events in most countries. Your cost basis for each token purchased equals the fair market value at the time of acquisition. Ethereum gas fees paid during DEX trades are typically deductible as a transaction cost, which can reduce your taxable gain. CoinTracking tracks every Idex trade with its correct timestamp, asset, and USD value, and applies your chosen cost-basis method (FIFO, LIFO, HIFO, and others).
Idex is a decentralised exchange operated by Aurora Labs, a US-based company. It is not an EU-regulated CASP and is not subject to EU DAC8 reporting requirements. However, all Idex trades are recorded on the Ethereum blockchain and are fully transparent and traceable by tax authorities. You remain personally responsible for declaring all gains, losses, and income from your Idex activity. CoinTracking helps you produce a complete, accurate tax report for any jurisdiction.
CoinTracking supports Idex via both API auto-import and CSV upload. The API connection pulls your full trade history automatically and keeps it in sync. The CSV export covers trades only — deposits, withdrawals, and fees are not included in the Idex CSV. For a complete DeFi picture, you can supplement your Idex import with Ethereum blockchain data by adding your wallet address in CoinTracking (Imports → Ethereum), which captures on-chain transfers, gas fees, and other DeFi interactions not visible in the exchange CSV.
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