Convert EXTRAon Optimism to USDR
Swap Extra Finance (EXTRA) on Optimism to StablR USD (USDR) at the best cross-chain rate. SwitchFi routes your EXTRA → USDR exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
EXTRA to USDR market data
| Metric | EXTRA · Optimism | USDR |
|---|---|---|
| Price | $0.004774 | $0.1589 |
| Market cap | $2.11M | $96.84M |
| 24h volume | $1,471 | $725 |
| 24h change | -2.54% | +237.82% |
| 7d change | +21.49% | -27.87% |
| 24h high / low | $0.004917 / $0.004748 | $0.1589 / $0.01531 |
| All-time high | $0.2879 | $4.59 |
| Market cap rank | #2180 | #275 |
What is the EXTRA to USDR exchange rate?
At the current market price, 1 EXTRA ≈ 0.03004828 USDR, and 1 USDR ≈ 33.2798 EXTRA. The rate moves with the market; the exact amount you receive is quoted from live liquidity in your wallet before you sign.
StablR USD carries the larger market value of the two — $96.84M versus $2.11M for Extra Finance. They currently rank #2180 and #275 among all cryptocurrencies. Over the past 24 hours EXTRA is -2.54% while USDR is +237.82%, so the EXTRA/USDR rate has moved in USDR's favour. On a 7-day view the tape shows EXTRA +21.49% and USDR -27.87%. Liquidity is ample on both legs — EXTRA trades $1,471 a day and USDR trades $725 — so conversions execute at market rates. Measured from record highs, EXTRA is down 98.3% and USDR is down 96.5%.
EXTRA to USDR converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
EXTRA / USDR conversion tables
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Live quote, net of DEX/bridge/gas fees. The final amount is confirmed in your wallet at execution.
Indicative estimate — the exact amount is confirmed in your wallet at execution.
About Extra Finance and StablR USD
Extra Finance (EXTRA) is the #2180 cryptocurrency by market cap, worth $2.11M in aggregate. It is trading 98.3% below its all-time high of $0.2879. 443.03M EXTRA is circulating out of a hard cap of 1.00B EXTRA — about 44% of the eventual supply. Recent performance reads +21.49% over 7 days and +4.18% over the past month for EXTRA. Daily turnover comes to $1,471.
StablR USD (USDR) is the #275 cryptocurrency by market cap, worth $96.84M in aggregate. The price sits 96.5% under the record high of $4.59. There are currently 21.08M USDR in circulation. Recent performance reads -27.87% over 7 days and -73.68% over the past month for USDR. Around $725 of USDR changes hands every 24 hours.
How to convert EXTRA to USDR
- 1 Enter the amount of EXTRA on Optimism you want to convert — the swap widget on this page is prefilled with the EXTRA → USDR pair.
- 2 Connect a compatible wallet: MetaMask, OKX, Trust Wallet, TokenPocket, TronLink, UniSat, Phantom and others.
- 3 Review the quoted route — the estimated and minimum amount of USDR you will receive, plus network, DEX and bridge fees, are all shown before you sign.
- 4 Confirm the transaction in your wallet and track the swap on the My transactions page until the funds arrive.
Other options to exchange USDR
Convert any other cryptocurrency from EXTRA
EXTRAOptimism → BTC
Bitcoin
EXTRAOptimism → ETH
Ethereum
EXTRAOptimism → USDTEthereum
Tether
EXTRAOptimism → BNB
BNB
EXTRAOptimism → USDCEthereum
USDC
EXTRAOptimism → XRP
XRP
EXTRAOptimism → SOL
Solana
EXTRAOptimism → TRX
TRON
EXTRAOptimism → FIGR_HELOC
Figure Heloc
EXTRAOptimism → HYPE
Hyperliquid
EXTRAOptimism → DOGE
Dogecoin
EXTRAOptimism → USDSEthereum
USDS
EXTRA to USDR FAQ
What is the EXTRA to USDR exchange rate?
1 EXTRA is worth roughly 0.03004828 USDR at the moment (inverted: 1 USDR ≈ 33.2798 EXTRA). This moves with the market; your wallet shows the exact executable amount before signing.
How to swap, exchange or convert EXTRA to USDR on SwitchFi?
Three steps: set the EXTRA amount, connect your wallet, then approve the best quoted EXTRA→USDR route. Funds move wallet-to-wallet — SwitchFi never holds them.
Is the EXTRA to USDR swap instant?
If both assets live on the same chain the swap confirms within seconds. Cross-chain conversions add a few minutes of bridge confirmation time, with live status tracking throughout.
Are there fees to convert EXTRA to USDR?
The usual on-chain costs apply (network gas plus DEX/bridge fees), but they're disclosed inside the quote together with the minimum received. Nothing is charged for accounts or custody.
Do I need an account to exchange EXTRA for USDR?
No. SwitchFi is a non-custodial router — connect a compatible wallet and swap. No sign-up, no KYC to use the on-chain swap.
Market data by CoinGecko, cached server-side. Prices are informational — the exact swap rate is quoted at execution time.