Polkadot (DOT) is a next-generation layer-0 blockchain protocol designed to connect and secure multiple specialised blockchains called parachains. Founded by Dr. Gavin Wood — a co-founder of Ethereum and creator of the Solidity programming language — Polkadot was built to solve blockchain fragmentat...
🔴 Polkadot tip: DOT staking currently yields approximately 14–16% APY. However, DOT has an unbonding period of 28 days — your DOT is locked and cannot be sold during this period. Factor this liquidity risk into your strategy.
Short-term gains (<1 year) taxed as ordinary income (10%–37%).
NET PROFIT
+$9,988.00
ROI
+997.80%
DOT BOUGHT
200.00
BREAK-EVEN
$5.01
AFTER-TAX
+$7,790.64
NET PROFIT
+$9,988.00
ROI
+997.80%
PRICE CHANGE
+1000.00%
MULTIPLIER
11.000×
COST BASIS vs NET PROCEEDS
PROCEEDS BREAKDOWN
TOTAL FEES
$12.00
TAX ESTIMATE
$2,197.36
AFTER-TAX PROFIT
+$7,790.64
DOT AMOUNT
200.00 DOT
Live diagram · updates as you type
| DOT Purchased | 200.00 DOT |
| Buy Price per DOT | $5.00 |
| Sell Price per DOT | $55.00 |
| Gross Investment | $1,000.00 |
| Buy Fee | $1.00 (0.1%) |
| Cost Basis | $1,001.00 |
| Gross Proceeds | $11,000.00 |
| Sell Fee | $11.00 (0.1%) |
| Net Proceeds | $10,989.00 |
| Net Profit / Loss | +$9,988.00 |
| Return on Investment | +997.80% |
| Price Multiplier | 11.000× |
| Break-Even Price | $5.01 |
| Tax Estimate | $2,197.36 (22%) |
| After-Tax Profit | +$7,790.64 |
Enter your total investment in USD — the total amount you spent to buy DOT.
Enter your buy price — the price per DOT when you purchased. DOT typically trades between $4 and $55.
Enter your sell price — the current or target price per DOT. Use the live market price for unrealised P&L.
Enter your exchange fees — most major exchanges charge 0.1%–0.5% per trade for DOT.
Select your holding period — under 1 year for short-term ordinary income rates, over 1 year for long-term capital gains rates.
Select your tax rate to see after-tax profit. Note: if DOT is staked, the 28-day unbonding period must expire before you can sell — factor this into your strategy.
Example: You invested $1,000 in DOT at $5.00 per DOT and sold at $55.00. DOT purchased = $1,000 ÷ $5.00 = 200 DOT. Gross proceeds = 200 × $55.00 = $11,000. Buy fee (0.1%) = $1.00. Sell fee (0.1%) = $11.00. Cost basis = $1,001. Net proceeds = $10,989. Net profit = $9,988. ROI = 997.80%. Break-even price = $5.010. At 22% short-term tax rate: tax = $2,197.36, after-tax profit = $7,790.64.
| NAME | FORMULA | DESCRIPTION |
|---|---|---|
| DOT Amount | Investment ÷ Buy Price | DOT tokens purchased for your investment |
| Cost Basis | Investment + (Investment × Buy Fee %) | Total cost including buy-side exchange fee |
| Gross Proceeds | DOT Amount × Sell Price | Total value before sell fee deduction |
| Net Proceeds | Gross Proceeds − (Gross Proceeds × Sell Fee %) | Amount received after sell-side fee |
| Net P&L | Net Proceeds − Cost Basis | Actual profit or loss after all fees |
| ROI | (Net P&L ÷ Cost Basis) × 100 | Return on investment as a percentage |
| Break-Even | Cost Basis ÷ (DOT Amount × (1 − Sell Fee %)) | Sell price needed to exactly recover your cost basis |
| Staking Reward | DOT Amount × Staking APY (%) | Estimated annual DOT reward from nominating a validator (~14–16% APY) |
| Tax Estimate | max(Net P&L, 0) × Tax Rate | Estimated capital gains tax on profitable trades |
| After-Tax Profit | Net P&L − Tax Estimate | Profit remaining after estimated tax payment |
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Disclaimer: This calculator is for informational purposes only and does not constitute financial or tax advice. Cryptocurrency investments are highly volatile. Staking APY estimates are approximate and may change. Consult a qualified tax professional for advice specific to your situation.
Last updated: April 29, 2026 · Formula verified by EagleCalculator team · Eagle-eyed accuracy for every calculation.