Convert POSM to B
Swap Possum (POSM) to BUILDon (B) at the best cross-chain rate. SwitchFi routes your POSM → B exchange across the top DEXs and bridges and settles straight from your wallet — non-custodial, no account, no sign-up.
POSM to B market data
| Metric | POSM | B |
|---|---|---|
| Price | $0.0002135 | $0.1286 |
| Market cap | $213,538 | $128.66M |
| 24h volume | $167,360 | $3.14M |
| 24h change | +69.74% | -3.87% |
| 7d change | +31.10% | -1.80% |
| 24h high / low | $0.0002824 / $0.0001017 | $0.1347 / $0.1277 |
| All-time high | $0.0009365 | $0.7626 |
| Market cap rank | #4422 | #222 |
What is the POSM to B exchange rate?
At the current market price, 1 POSM ≈ 0.00166096 B, and 1 B ≈ 602.0605 POSM. The rate moves with the market; the exact amount you receive is quoted from live liquidity in your wallet before you sign.
Possum is the smaller side of this pair — BUILDon's market capitalisation of $128.66M is roughly 602× larger than Possum's $213,538. On the overall leaderboard they sit at #4422 and #222 respectively. The last 24 hours put POSM at +69.74% against -3.87% for B — the POSM/B rate has moved in POSM's favour. Across the last 7 days the comparison reads +31.10% for POSM versus -1.80% for B. Daily turnover runs at $167,360 for POSM and $3.14M for B, so routed swaps between the two settle at market rates without moving the price. Measured from record highs, POSM is down 77.2% and B is down 83.1%.
POSM to B converter & price calculator
Indicative, based on current market prices. Get a live quote in the swap.
POSM / 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 Possum and BUILDon
With a total market value of $213,538, Possum (POSM) sits at #4422 among all cryptocurrencies. It is trading 77.2% below its all-time high of $0.0009365. Of a maximum supply of 1.00B POSM, 1.00B POSM (100%) is already in circulation. Its 24-hour trading volume is $167,360.
BUILDon (B) ranks #222 by market capitalisation at $128.66M. Compared with its $0.7626 all-time peak, it currently trades 83.1% lower. Of a maximum supply of 1.00B B, 1.00B B (100%) is already in circulation. Recent performance reads -1.80% over 7 days and -22.50% over the past month for B. Around $3.14M of B changes hands every 24 hours.
How to convert POSM to B
- 1 Enter the amount of POSM you want to convert — the swap widget on this page is prefilled with the POSM → 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 POSM
POSM to B FAQ
What is the POSM to B exchange rate?
At current prices one POSM converts to about 0.00166096 B, and one B to about 602.0605 POSM. The figure tracks the market in real time — the binding rate is the one quoted at execution.
How to swap, exchange or convert POSM to B on SwitchFi?
Three steps: set the POSM amount, connect your wallet, then approve the best quoted POSM→B route. Funds move wallet-to-wallet — SwitchFi never holds them.
Is the POSM 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 POSM to B?
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 POSM 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. One of these assets is outside our actively tracked list — figures shown are as of Sep 3, 2026. Prices are informational — the exact swap rate is quoted at execution time.