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A market trade fills right away at the price available. It is the default way to trade in Dawn, and the fastest.
Tapping an amount sends the trade. There is no confirm step, except on a coin Dawn flags as risky, a buy that would move the price more than 30% or lose a lot to network fees, or a trade that needs more gas than your Gas Surplus allows. Check the coin’s address, the wallet and balance at the bottom of the panel, and your slippage (15% by default) before you tap.

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Buy a coin

1

Open the coin

Paste its contract address. Make sure the panel is on Buying ⇄.
Paste Contract Address In
2

Tap an amount

The minimum is $1. Ethereum and some cross-chain routes have a higher one.
Buy Submitted
3

Watch the card

Dawn quotes, signs and submits. One card updates itself in place: Buying → submitted → filled.
Buy Submitted
The finished card shows what you spent and what you received. The panel behind it updates with your new holding.
With Auto Buy on, pasting a contract address buys a fixed amount immediately, and the panel follows the trade card. It is off by default, but with one click, enable it to buy on the instant you paste an address in.
With Auto Buy on, pasting a contract address buys a fixed amount straight away, without the panel step. It is off by default.

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Sell a coin

1

Open your holding

Send /portfolio and tap the coin, or paste its address again.
:portfolio
2

Switch to Sell Panel Switch to selling

If the panel is on Buying ⇄, tap it to switch to Selling ⇄. The sell buttons are shares of what you hold, not dollar amounts.
Sell Panel
3

Tap a share

100% sells the whole position. The USDC goes back onto your balance, ready to spend again.
Sell Card
4

Read the result

Sell Card
The message shows the USDC you received. It goes back onto your balance, ready to spend again.
There is no bulk exit across coins: sell each position from its own panel. For an exit that does not need you watching, set a stop-loss or take-profit.

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Why a trade gets refused

A failed trade is not a lost trade: your USDC is back on your balance, and the message says why. Most messages also say what to do. Two that need a change on your side: More in Troubleshooting.