Convert EXTRAon Optimism to STRKon Ethereum
Swap Extra Finance (EXTRA) on Optimism to Starknet (STRK) on Ethereum at the best cross-chain rate. SwitchFi routes your EXTRA → STRK exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
EXTRA to STRK market data
| Metric | EXTRA · Optimism | STRK · Ethereum |
|---|---|---|
| Price | $0.004792 | $0.03093 |
| Market cap | $2.12M | $203.65M |
| 24h volume | $80 | $56,830 |
| 24h change | -0.03% | +3.48% |
| 7d change | +23.39% | +3.03% |
| 24h high / low | $0.004842 / $0.004736 | $0.03109 / $0.02951 |
| All-time high | $0.2879 | $4.41 |
| Market cap rank | #2106 | #162 |
What is the EXTRA to STRK exchange rate?
At the current market price, 1 EXTRA ≈ 0.15491828 STRK, and 1 STRK ≈ 6.455 EXTRA. The rate moves with the market; the exact amount you receive is quoted from live liquidity in your wallet before you sign.
In size terms Extra Finance is the junior asset: it is valued at $2.12M against Starknet's $203.65M, a gap of about 96×. EXTRA holds rank #2106 while STRK holds #162 by market capitalisation. The last 24 hours put EXTRA at -0.03% against +3.48% for STRK — the EXTRA/STRK rate has moved in STRK's favour. On a 7-day view the tape shows EXTRA +23.39% and STRK +3.03%. Daily turnover runs at $80 for EXTRA and $56,830 for STRK, so routed swaps between the two settle at market rates without moving the price. EXTRA currently trades 98.3% below its all-time high, while STRK sits 99.3% under its own peak.
EXTRA to STRK converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
EXTRA / STRK 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 Starknet
Extra Finance (EXTRA) is the #2106 cryptocurrency by market cap, worth $2.12M 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 +23.39% over 7 days and +5.86% over the past month for EXTRA. Daily turnover comes to $80.
Starknet (STRK) is the #162 cryptocurrency by market cap, worth $203.65M in aggregate. Compared with its $4.41 all-time peak, it currently trades 99.3% lower. 6.58B STRK is circulating out of a hard cap of 10.00B STRK — about 66% of the eventual supply. Over the last 7 days STRK is +3.03%, and -10.62% across 30 days. Its 24-hour trading volume is $56,830.
How to convert EXTRA to STRK
- 1 Enter the amount of EXTRA on Optimism you want to convert — the swap widget on this page is prefilled with the EXTRA → STRK 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 STRK 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 STRK
BTC → STRKEthereum
Bitcoin
ETH → STRKEthereum
Ethereum
USDTEthereum → STRKEthereum
Tether
BNB → STRKEthereum
BNB
USDCEthereum → STRKEthereum
USDC
XRP → STRKEthereum
XRP
SOL → STRKEthereum
Solana
TRX → STRKEthereum
TRON
FIGR_HELOC → STRKEthereum
Figure Heloc
HYPE → STRKEthereum
Hyperliquid
DOGE → STRKEthereum
Dogecoin
USDSEthereum → STRKEthereum
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 STRK FAQ
What is the EXTRA to STRK exchange rate?
At current prices one EXTRA converts to about 0.15491828 STRK, and one STRK to about 6.455 EXTRA. The figure tracks the market in real time — the binding rate is the one quoted at execution.
How to swap, exchange or convert EXTRA to STRK on SwitchFi?
Type in how much EXTRA you're converting, connect a wallet, check the quoted EXTRA→STRK route and confirm in the wallet. The router compares DEX and bridge paths and settles without ever taking custody.
Is the EXTRA to STRK swap instant?
Same-chain swaps settle in seconds; cross-chain routes typically take a few minutes while the bridge confirms on both sides. You can track live status until the funds land.
Are there fees to convert EXTRA to STRK?
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 STRK?
No account is needed. You connect a wallet, approve the swap and receive the funds directly — there is no registration or KYC step for on-chain swaps.
Market data by CoinGecko, cached server-side. Prices are informational — the exact swap rate is quoted at execution time.