Convert OPNon BNB Chain to B
Swap Opinion (OPN) on BNB Chain to BUILDon (B) at the best cross-chain rate. SwitchFi routes your OPN → B exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
OPN to B market data
| Metric | OPN · BNB Chain | B |
|---|---|---|
| Price | $0.05454 | $0.1309 |
| Market cap | $9.91M | $130.92M |
| 24h volume | $2.40M | $3.63M |
| 24h change | -3.00% | -0.05% |
| 7d change | -1.60% | -4.50% |
| 24h high / low | $0.05716 / $0.05334 | $0.1325 / $0.1263 |
| All-time high | $0.4646 | $0.7626 |
| Market cap rank | #1215 | #225 |
What is the OPN to B exchange rate?
At the current market price, 1 OPN ≈ 0.41661447 B, and 1 B ≈ 2.4003 OPN. 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 Opinion is the junior asset: it is valued at $9.91M against BUILDon's $130.92M, a gap of about 13×. OPN holds rank #1215 while B holds #225 by market capitalisation. Over the past 24 hours OPN is -3.00% while B is -0.05%, so the OPN/B rate has moved in B's favour. On a 7-day view the tape shows OPN -1.60% and B -4.50%. With $2.40M and $3.63M in respective daily volume, neither side of a OPN→B swap struggles for depth. Measured from record highs, OPN is down 88.3% and B is down 82.8%.
OPN to B converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
OPN / B 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 Opinion and BUILDon
Opinion (OPN) ranks #1215 by market capitalisation at $9.91M. Compared with its $0.4646 all-time peak, it currently trades 88.3% lower. Supply-wise, 18% of the 1.00B OPN maximum (181.73M OPN) is on the market today. Over the last 7 days OPN is -1.60%, and +4.70% across 30 days. Daily turnover comes to $2.40M.
BUILDon (B) ranks #225 by market capitalisation at $130.92M. Compared with its $0.7626 all-time peak, it currently trades 82.8% lower. Of a maximum supply of 1.00B B, 1.00B B (100%) is already in circulation. Recent performance reads -4.50% over 7 days and -26.40% over the past month for B. Around $3.63M of B changes hands every 24 hours.
How to convert OPN to B
- 1 Enter the amount of OPN on BNB Chain you want to convert — the swap widget on this page is prefilled with the OPN → B 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 B 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 B
Convert any other cryptocurrency from OPN
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BNB
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USDC
OPNBNB Chain → SOL
Solana
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OPNBNB Chain → FIGR_HELOC
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OPN to B FAQ
What is the OPN to B exchange rate?
1 OPN is worth roughly 0.41661447 B at the moment (inverted: 1 B ≈ 2.4003 OPN). This moves with the market; your wallet shows the exact executable amount before signing.
How to swap, exchange or convert OPN to B on SwitchFi?
Enter the amount of OPN you want to pay, connect your wallet, review the quote and confirm. SwitchFi routes the swap across DEXs and bridges to the best OPN→B path — non-custodial, straight from your wallet.
Is the OPN to B swap instant?
Speed depends on the route: same-chain trades are near-instant, while bridged cross-chain paths usually complete in a few minutes. Progress is trackable the whole way.
Are there fees to convert OPN to B?
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 OPN for B?
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.