A crypto arbitrage signal is an alert that tells you a profitable price gap exists right now — which coin, which two exchanges, how big the spread is, and how much you'd keep after fees.
Arbitrage opportunities appear and vanish in seconds, so nobody can stare at a dozen exchanges all day waiting for one. Signals solve that: a scanner watches the market for you and pings you the moment a worthwhile gap opens. This page explains what a real signal contains, the different kinds of signals, how to act on one before it closes, why most 'signals' you see online are worthless — and how to get reliable ones from ArbiScreen.
Anatomy of a Real Arbitrage Signal
A useful signal is specific and actionable. If it doesn't contain these pieces, you can't actually trade it. Here's what a complete signal looks like:
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The coin & pair
Exactly which asset, e.g. SOL/USDT — not a vague 'big opportunity now'.
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Buy & sell venue
Where it's cheap and where it's expensive, e.g. buy on Gate, sell on MEXC.
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The spread
The size of the gap as a percentage — and, crucially, the net figure after fees.
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Freshness
When it was detected. A signal that's ten minutes old is usually already gone.
Gross vs net — the difference between a signal and a trap
Many free channels blast out big gross spreads like '7% opportunity!' A real edge is what's left after two trading fees, a withdrawal fee and network gas — often that 7% is really 0.5%, or negative. A trustworthy signal shows the net number. Always confirm profit-after-fees before you act.
The Main Types of Arbitrage Signal
| Signal type | What it flags | Typical use |
|---|
| Spot spread | Same coin cheaper on one exchange than another | Buy low, transfer, sell high |
| Funding-rate | An extreme funding rate you can harvest market-neutral | Delta-neutral carry income |
| Spot-futures basis | A wide gap between a coin's spot and futures price | Cash-and-carry / basis trade |
| Geo premium | A coin priced higher in one country's market | Regional arbitrage (ZAR, TRY, INR) |
| Cross-exchange transfer | Gap plus a fast, cheap network to move between venues | Time-sensitive spot arbitrage |
Where Signals Come From — Free vs Paid
You'll find arbitrage signals in three places, and the quality varies enormously.
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Public Telegram channels
Free but noisy. Often show gross spreads, stale data, or ghost opportunities on illiquid coins you can't actually trade. Useful only if they show net figures.
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Scanner-generated alerts
A tool you control watches the market and alerts you on your criteria (minimum net %, chosen exchanges). Accurate and personal. This is what ArbiScreen does.
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Paid signal services
Some are excellent, many resell the same public data. Only pay if you can verify the signals are net-of-fee and the opportunities are real and liquid.
⚠️ Why Most Arbitrage Signals Fail You
1
They quote gross, not net
The headline spread ignores fees. After costs, most 'huge' gaps are tiny or gone.
2
They're already stale
By the time a manual channel posts, seconds have passed and the gap has closed. Automated, real-time alerts beat human posting every time.
3
The coin is illiquid
A fat spread on a micro-cap you can't buy in size, or can't withdraw cheaply, is not a real opportunity.
4
They can't be verified
If you can't check the price on the exchange yourself, don't trust the signal.
Scam warning
Avoid any 'signal group' that guarantees profit, asks for a deposit, or sells a 'VIP bot' that trades your money for you. Real signals are just information — what you do with them, on your own exchange accounts, is up to you.
Get Reliable, Net-of-Fee Signals from ArbiScreen
Instead of trusting a random channel, let a scanner you control do the watching. ArbiScreen monitors 17 exchanges in real time and surfaces spot spreads, funding-rate extremes, spot-futures gaps and geo premiums — each with the net profit after fees already calculated, so every signal is actionable, not just eye-catching.
Its Funding Radar highlights delta-neutral funding opportunities with a live countdown to the next payout, and Pro users get real-time alerts delivered to Telegram the moment a qualifying gap appears. The free tier already shows live top opportunities so you can judge signal quality yourself.
How to Act on a Signal Before It Closes
1
Confirm the net number
Check the profit-after-fees figure, not the gross spread. If it's thin, skip it.
2
Check liquidity & network
Make sure there's volume to fill your order and a cheap, fast way to move the coin between exchanges.
3
Pre-fund both exchanges
The fastest arbitrageurs already hold balances on both venues, so they can buy and sell instantly without waiting for a transfer.
4
Execute both legs fast
Buy the cheap side and sell the expensive side as close to simultaneously as you can — the gap won't wait.
5
Log the result
Record your real net after everything settled. It tells you which signals are worth acting on next time.
Related Tools & Guides
Prefer alerts in one app? A crypto arbitrage bot Telegram setup delivers signals the moment a gap appears.
Frequently Asked Questions
What are crypto arbitrage signals?▼
They are alerts that tell you a profitable price gap exists right now — which coin, which two exchanges are cheap and expensive, the size of the spread, and ideally the net profit after fees. They let you act on short-lived opportunities without watching every exchange yourself.
Are crypto arbitrage signals free?▼
Some are. Public Telegram channels post free signals, but quality varies and many show gross (pre-fee) spreads. ArbiScreen's free tier shows live opportunities with net-of-fee figures, and Pro adds real-time alerts delivered to Telegram.
Why do most arbitrage signals not work?▼
Usually for four reasons: they quote the gross spread instead of net after fees, they arrive too late because they were posted manually, the coin is illiquid or expensive to withdraw, or the price can't be verified. Real-time, net-of-fee signals from a scanner avoid these problems.
How fast do I need to act on a signal?▼
Very fast — many spot gaps close within seconds to a minute. The best way to act quickly is to pre-fund balances on both exchanges so you can buy and sell instantly, rather than waiting for a transfer between venues.
Can I get arbitrage signals on Telegram?▼
Yes. ArbiScreen Pro can push alerts to Telegram the moment an opportunity meeting your criteria appears, including extreme funding rates via its Funding Radar. Be wary, though, of public 'VIP' Telegram groups that promise guaranteed profit or ask for deposits.
Do signal services guarantee profit?▼
No legitimate one does. Arbitrage returns are variable and depend on fees, liquidity and how fast you execute. Any service promising guaranteed or fixed daily profit is a red flag for a scam — real signals are just information you act on yourself.
