Convert MAS to OP
Swap Massa (MAS) to Optimism (OP) at the best cross-chain rate. SwitchFi routes your MAS → OP exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
MAS to OP market data
| Metric | MAS | OP |
|---|---|---|
| Price | $0.003188 | $0.1098 |
| Market cap | $1.53M | $251.36M |
| 24h volume | $140,992 | $133.88M |
| 24h change | -0.18% | +4.85% |
| 7d change | -0.50% | +21.70% |
| 24h high / low | $0.003203 / $0.003179 | $0.114 / $0.1036 |
| All-time high | $0.1538 | $4.84 |
| Market cap rank | #2574 | #152 |
What is the MAS to OP exchange rate?
At the current market price, 1 MAS ≈ 0.02902502 OP, and 1 OP ≈ 34.453 MAS. 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 Massa is the junior asset: it is valued at $1.53M against Optimism's $251.36M, a gap of about 164×. They currently rank #2574 and #152 among all cryptocurrencies. Over the past 24 hours MAS is -0.18% while OP is +4.85%, so the MAS/OP rate has moved in OP's favour. Across the last 7 days the comparison reads -0.50% for MAS versus +21.70% for OP. Liquidity is ample on both legs — MAS trades $140,992 a day and OP trades $133.88M — so conversions execute at market rates. MAS currently trades 97.9% below its all-time high, while OP sits 97.7% under its own peak.
MAS to OP converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
MAS / OP 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 Massa and Optimism
With a total market value of $1.53M, Massa (MAS) sits at #2574 among all cryptocurrencies. Compared with its $0.1538 all-time peak, it currently trades 97.9% lower. There are currently 480.74M MAS in circulation. MAS has moved -0.50% week-on-week and -0.40% over 30 days. Daily turnover comes to $140,992.
Optimism (OP) is the #152 cryptocurrency by market cap, worth $251.36M in aggregate. The price sits 97.7% under the record high of $4.84. Of a maximum supply of 4.29B OP, 2.29B OP (53%) is already in circulation. OP has moved +21.70% week-on-week and +27.30% over 30 days. Its 24-hour trading volume is $133.88M.
How to convert MAS to OP
- 1 Enter the amount of MAS you want to convert — the swap widget on this page is prefilled with the MAS → OP 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 OP 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 OP
Convert any other cryptocurrency from MAS
MAS to OP FAQ
What is the MAS to OP exchange rate?
Right now 1 MAS ≈ 0.02902502 OP (and 1 OP ≈ 34.453 MAS). 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 MAS to OP on SwitchFi?
Type in how much MAS you're converting, connect a wallet, check the quoted MAS→OP route and confirm in the wallet. The router compares DEX and bridge paths and settles without ever taking custody.
Is the MAS to OP 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 MAS to OP?
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 MAS for OP?
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.