Deposit and withdrawal times

In arbitrage, a great spread is only worth anything if you can act on it before it closes. The single biggest thing standing between you and that profit is often time — how long it takes to move a coin from one exchange to another.

Why transfer times vary so much

There's no fixed answer to "how long does a crypto transfer take." The same coin can settle in seconds one moment and crawl for an hour the next. A few things drive that:

• The network. Each blockchain confirms at its own speed. Some settle in seconds; others take minutes per block, and exchanges often wait for several confirmations before they credit you.
• The coin. Many tokens live on multiple networks. The token you're moving and the chain you pick together decide how fast it travels — see Choosing the right network for a transfer.
• Congestion. When a chain is busy, transactions queue and confirmation slows down — sometimes badly. The exact same withdrawal can be quick at 3am and sluggish during a market frenzy.
• The exchanges. Beyond the chain itself, each exchange decides how many confirmations to require before crediting a deposit, and how quickly it processes the withdrawal in the first place.

So a transfer time is really two separate clocks: the withdrawal processing on the sending exchange, plus the deposit confirmation on the receiving one. Both have to finish before your coins are usable.

Why this is arbitrage's core risk

Arbitrage spreads are short-lived. The opportunity detail screen reminds you of this directly: these windows are time-sensitive and typically last no more than 10–15 minutes.

Now picture the naive version of the trade. You buy the coin on Exchange A, withdraw it, wait for it to arrive on Exchange B, then sell. While your funds are in flight, the price can move. By the time the coin lands, the spread you spotted may be gone — or reversed. You're left holding an asset whose edge has evaporated, exposed to whatever the market does next.

This is the heart of it: the longer your money spends crossing between exchanges, the more market risk you take on, and the more likely the opportunity closes before you can complete the second leg.

Pre-funding: how serious arbitrageurs beat the clock

The most reliable way to remove transfer time from the equation is to not transfer during the trade at all.

Pre-funding means holding a balance on both exchanges ahead of time. When an opportunity appears, you buy on one and sell on the other almost simultaneously — no withdrawal, no confirmation wait, no funds in flight. You then rebalance later, on your own schedule, when timing pressure is off.

This flips the problem. Instead of racing a transfer against a closing spread, you act on the spread instantly and treat the slow transfer as routine housekeeping afterward.

A few practical notes:

• Pre-funding ties up capital on each exchange, so it has a cost — but it buys you speed, which is what arbitrage is built on.
• You still rebalance eventually, and that transfer is subject to the same network and processing times. Doing it off-peak can mean lower fees and faster settlement. See Withdrawal fees and networks explained for the cost side.
• Keep the coin's contract on each exchange verified before you ever move funds between them (more on that below).

Withdrawal delays, approvals and suspensions

Even when the network is fast, the exchange can be the bottleneck. Withdrawals are not always instant:

• Manual or risk review. Larger withdrawals, new accounts, or unusual activity can trigger a hold while the exchange reviews them.
• Security delays. Many exchanges enforce a waiting period after a password change, a new withdrawal address, or other security events.
• Withdrawal suspensions. An exchange can pause withdrawals for a specific coin or network — for maintenance, a wallet upgrade, a chain issue, or congestion. While it's paused, your coin simply can't leave, however good the spread looked.

ArbiHunt tracks this kind of health — see How to read the ArbiHunt dashboard for where exchange and coin status appear. The dashboard's live indicator reflects how many of an exchange's coins currently have deposits and withdrawals open, and surfaces overall health. But status can change between the snapshot and your trade, so always confirm withdrawals are open inside the exchange before you commit.

What this means for your trades

Transfer time isn't a detail — it's often the deciding factor in whether an arbitrage actually nets out.

• Treat every transfer as two clocks: withdrawal processing plus deposit confirmation.
• Assume the spread can close while funds are in flight; pre-funding both sides is how you avoid that race entirely.
• Check that withdrawals and deposits are open for your coin and network on both exchanges before you act.
• Remember ArbiHunt is an information tool — it finds and ranks opportunities by true net profit, but it does not execute trades or move your funds. You trade on the exchanges yourself.

If you are new and want a do-this sequence, here is one way to put the above into practice:

1. Open the opportunity detail screen and note both exchanges and the coin's network.
2. In each exchange, confirm that coin and network show deposits and withdrawals as open before you commit.
3. Confirm the contract address matches on both exchanges (ArbiHunt shows it per exchange, a PRO feature) so you know it is genuinely the same asset.
4. If you are pre-funded, place both legs as close to simultaneously as you can; if you are not, accept that the spread may close while funds are in transit.

For how all the costs and numbers fit together, see Spread vs. net profit. For a walk-through of placing the trade itself, see How to execute an arbitrage trade, step by step.

No spread is guaranteed. Opportunities are time-sensitive and may not always be executable, and the figures you see are live snapshots — re-check inside your exchange before transacting. This is not financial advice, and crypto trading carries risk.