Convert EXTRAon Optimism to BUIDLon Ethereum
Swap Extra Finance (EXTRA) on Optimism to BlackRock USD Institutional Digital Liquidity Fund (BUIDL) on Ethereum at the best cross-chain rate. SwitchFi routes your EXTRA → BUIDL exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
EXTRA to BUIDL market data
| Metric | EXTRA · Optimism | BUIDL · Ethereum |
|---|---|---|
| Price | $0.004865 | $1.00 |
| Market cap | $2.16M | $2.38B |
| 24h volume | $772 | $0 |
| 24h change | +1.70% | +0.00% |
| 7d change | +21.05% | +0.00% |
| 24h high / low | $0.004873 / $0.004772 | $1.00 / $1.00 |
| All-time high | $0.2879 | $1.00 |
| Market cap rank | #2167 | #38 |
What is the EXTRA to BUIDL exchange rate?
At the current market price, 1 EXTRA ≈ 0.00486464 BUIDL, and 1 BUIDL ≈ 205.5651 EXTRA. The rate moves with the market; the exact amount you receive is quoted from live liquidity in your wallet before you sign.
Extra Finance is the smaller side of this pair — BlackRock USD Institutional Digital Liquidity Fund's market capitalisation of $2.38B is roughly 1106× larger than Extra Finance's $2.16M. They currently rank #2167 and #38 among all cryptocurrencies. Over the past 24 hours EXTRA is +1.70% while BUIDL is +0.00%, so the EXTRA/BUIDL rate has moved in EXTRA's favour. On a 7-day view the tape shows EXTRA +21.05% and BUIDL +0.00%.
EXTRA to BUIDL converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
EXTRA / BUIDL conversion tables
() on is not verified and may be a scam or an impostor of a well-known token. You could end up with a token you can't sell.
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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 BlackRock USD Institutional Digital Liquidity Fund
Extra Finance (EXTRA) is the #2167 cryptocurrency by market cap, worth $2.16M 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 +21.05% over 7 days and +9.12% over the past month for EXTRA. Daily turnover comes to $772.
BlackRock USD Institutional Digital Liquidity Fund (BUIDL) is the #38 cryptocurrency by market cap, worth $2.38B in aggregate. It is trading close to its all-time high of $1.00. There are currently 2.38B BUIDL in circulation. BUIDL has moved +0.00% week-on-week and +0.00% over 30 days.
How to convert EXTRA to BUIDL
- 1 Enter the amount of EXTRA on Optimism you want to convert — the swap widget on this page is prefilled with the EXTRA → BUIDL 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 BUIDL on Ethereum 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 BUIDL
BTC → BUIDLEthereum
Bitcoin
ETH → BUIDLEthereum
Ethereum
USDTEthereum → BUIDLEthereum
Tether
BNB → BUIDLEthereum
BNB
USDCEthereum → BUIDLEthereum
USDC
XRP → BUIDLEthereum
XRP
SOL → BUIDLEthereum
Solana
TRX → BUIDLEthereum
TRON
FIGR_HELOC → BUIDLEthereum
Figure Heloc
HYPE → BUIDLEthereum
Hyperliquid
DOGE → BUIDLEthereum
Dogecoin
USDSEthereum → BUIDLEthereum
USDS
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 BUIDL FAQ
What is the EXTRA to BUIDL exchange rate?
Right now 1 EXTRA ≈ 0.00486464 BUIDL (and 1 BUIDL ≈ 205.5651 EXTRA). Rates update continuously from live market data; the exact amount you receive is quoted in your wallet before you sign.
How to swap, exchange or convert EXTRA to BUIDL on SwitchFi?
Three steps: set the EXTRA amount, connect your wallet, then approve the best quoted EXTRA→BUIDL route. Funds move wallet-to-wallet — SwitchFi never holds them.
Is the EXTRA to BUIDL 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 BUIDL?
SwitchFi shows the network, DEX and bridge fees up front in the quote. You always see the minimum you'll receive before confirming — there are no hidden custody fees because you never give up control of your funds.
Do I need an account to exchange EXTRA for BUIDL?
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.