How to sell Polygon in United Kingdom
Verified 2026-06-03 · 2 primary regulators · 4 venues compared
Short answer
Selling POL for GBP in the UK in 2026 IS a CGT disposal. Section 104 pool basis applies. 2021-cycle MATIC peak (~£1.60+) UK buyers substantially underwater — UK 30-day rule prevents bed-and-breakfast loss-harvest. CGT rates 10%/20%.
Fee comparison
All-in cost per venue across the most-common payment + settlement paths. Verified 2026-06-03.
| Venue | Sell Fee | Withdrawal Fee | Min Sell | Polygon Specific | Speed |
|---|---|---|---|---|---|
| Coinbase UK | Advanced 0.0%/0.6% | Faster Payments free | £0.01 | Section 104 pool tracked | Pair instant |
| Kraken UK | Pro 0.16%/0.26% | Faster Payments £0.50 | £5 | Standard POL-GBP pair | Pair instant |
| Crypto.com | Exchange 0.075% | Faster Payments free | £1 | Standard pricing | Pair instant |
| Gemini UK | ActiveTrader 0.20%/0.40% | ACH free | £0.01 | Full POL support | Pair instant |
Regulatory framing — United Kingdom
POL disposals via UK self-assessment. MATIC → POL migration basis carries through. Section 104 pool + matching apply. CGT rates 10%/20%. Annual allowance £3,000.
Primary regulators: FCA · HMRC
Common gotchas
- MATIC → POL 1:1 migration basis transfers; not a separate disposal.
- Multi-cycle basis blending.
- Same-day + 30-day matching apply.
- 2021 peak (~£1.60+) loss-harvest candidate.
- No POL ETN UK.
Step-by-step
- Pull POL Section 104 pool basis. Includes pre-migration MATIC basis.
- Run 30-day matching check. Recent buys.
- Trade POL-GBP. Pro tier limit order.
- Withdraw GBP. Faster Payments.
- Record disposal. Pool basis + gain/loss.
- Plan annual allowance. £3,000 + year-end.
Tax summary
Selling POL for GBP in the UK IS a CGT disposal. MATIC → POL migration basis carries through. CGT rates 10%/20%. Annual allowance £3,000. See HMRC Cryptoassets Manual.
Where to read further
- United Kingdom crypto tax primer
- Best crypto banks in United Kingdom
- Best crypto tax software for United Kingdom filers
- /how-to/buy-polygon-uk/
- /how-to/send-polygon-uk/
- /how-to/swap-polygon-uk/
- /how-to/sell-bitcoin-uk/
- /crypto-taxes-uk/
Methodology
Fee data verified directly against each venue's public fee schedule on 2026-06-03. Regulatory framing cross-referenced against the Stage 1d info-layer + primary government sources (fca-cryptoasset, hmrc-cryptoassets-manual). Gotchas reflect operating experience + community-reported failure modes during the verification window. This page is editorial reference content — not financial, tax, or legal advice. Always verify the current state of each venue and the current law in United Kingdom before transacting.
Disclaimer
This page is general information, not financial, tax, or legal advice. Cryptocurrency regulation in United Kingdom evolves; verify the current rules with a qualified professional in your jurisdiction before relying on any specific approach. See terms.