Convert FDUSDon Arbitrum to SPXon Ethereum
Swap First Digital USD (FDUSD) on Arbitrum to SPX6900 (SPX) on Ethereum at the best cross-chain rate. SwitchFi routes your FDUSD → SPX exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
FDUSD to SPX market data
| Metric | FDUSD · Arbitrum | SPX · Ethereum |
|---|---|---|
| Price | $0.9984 | $0.5281 |
| Market cap | $333.88M | $491.64M |
| 24h volume | $101.08M | $7.23M |
| 24h change | +0.01% | -6.75% |
| 7d change | +0.00% | -9.40% |
| 24h high / low | $0.9986 / $0.9981 | $0.5695 / $0.5243 |
| All-time high | $1.15 | $2.27 |
| Market cap rank | #125 | #105 |
What is the FDUSD to SPX exchange rate?
At the current market price, 1 FDUSD ≈ 1.8906 SPX, and 1 SPX ≈ 0.52893829 FDUSD. The rate moves with the market; the exact amount you receive is quoted from live liquidity in your wallet before you sign.
First Digital USD is the smaller side of this pair — SPX6900's market capitalisation of $491.64M is roughly 1.5× larger than First Digital USD's $333.88M. They currently rank #125 and #105 among all cryptocurrencies. The last 24 hours put FDUSD at +0.01% against -6.75% for SPX — the FDUSD/SPX rate has moved in FDUSD's favour. Across the last 7 days the comparison reads +0.00% for FDUSD versus -9.40% for SPX. Daily turnover runs at $101.08M for FDUSD and $7.23M for SPX, so routed swaps between the two settle at market rates without moving the price. Measured from record highs, FDUSD is down 13.3% and SPX is down 76.7%.
FDUSD to SPX converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
FDUSD / SPX 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 First Digital USD and SPX6900
First Digital USD (FDUSD) is the #125 cryptocurrency by market cap, worth $333.88M in aggregate. Compared with its $1.15 all-time peak, it currently trades 13.3% lower. Circulating supply stands at 334.42M FDUSD. Recent performance reads +0.00% over 7 days and +0.10% over the past month for FDUSD. Daily turnover comes to $101.08M.
SPX6900 (SPX) is the #105 cryptocurrency by market cap, worth $491.64M in aggregate. It is trading 76.7% below its all-time high of $2.27. 930.99M SPX is circulating out of a hard cap of 1.00B SPX — about 93% of the eventual supply. Over the last 7 days SPX is -9.40%, and +63.70% across 30 days. Around $7.23M of SPX changes hands every 24 hours.
How to convert FDUSD to SPX
- 1 Enter the amount of FDUSD on Arbitrum you want to convert — the swap widget on this page is prefilled with the FDUSD → SPX 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 SPX 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.
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Convert any other cryptocurrency from FDUSD
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Tether
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FDUSD to SPX FAQ
What is the FDUSD to SPX exchange rate?
Right now 1 FDUSD ≈ 1.8906 SPX (and 1 SPX ≈ 0.52893829 FDUSD). 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 FDUSD to SPX on SwitchFi?
Three steps: set the FDUSD amount, connect your wallet, then approve the best quoted FDUSD→SPX route. Funds move wallet-to-wallet — SwitchFi never holds them.
Is the FDUSD to SPX 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 FDUSD to SPX?
All costs — gas, DEX fees and any bridge fee — are included in the quote before you sign, along with the guaranteed minimum you'll receive. There are no account or custody charges.
Do I need an account to exchange FDUSD for SPX?
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.