An arbitrageur's checklist for a rising market: what breaks specifically on rallies

An arbitrageur's checklist for a rising market: what breaks specifically on rallies

A green market makes you relaxed. Spreads are wider than usual, the list is full of opportunities, and the feeling creeps in that counting is now optional and any trade will work out by itself. Those are exactly the weeks people give back a month of gains.

The paradox is that a rising market hands you more opportunities and more ways to spoil them at once. In our practice the trouble on spikes arrives not from the price side but from execution: transfers, the order book, margin and network fees.

First: recalculate your position size

Book depth falls on volatility even as turnover grows. It sounds contradictory, but that is how it works: there are plenty of trades and fewer resting limit orders holding the price.

Hence the rule. The habitual size that passed cleanly on a calm market eats half of your calculated spread through slippage during a spike. Cut the size rather than raising it to chase the percentage on screen.

And count from the average fill price, not from the top of the book. On a calm market the difference is pennies; on a rising one it sets the sign of the result.

Second: check the route before entry

The most common reason a trade breaks on a rally is not price but the transfer. Exchanges queue withdrawals, close networks for maintenance and raise confirmation counts.

The check takes half a minute and has three points: is withdrawal open on the buying venue, is deposit open on the selling venue, do the networks match. If any one of them is in doubt, skip the trade.

Look at the transfer cost separately. Networks are congested during spikes, fees rise, and a calculation built on yesterday's numbers stops being true.

Third: keep a margin buffer

If one leg of the structure sits on leverage, a sharp move eats the collateral exactly there. Profit is neutral, margin is not, and those are different things.

On a rising market free funds across both venues are worth more than any extra opportunity. In our experience it is the lack of a buffer, rather than an error in the maths, that most often turns a neutral structure into a loss.

Fourth: tighten thresholds instead of loosening them

The temptation is obvious: there are plenty of spreads and you want to take everything. The opposite works.

Raise the minimum net spread, tighten the slippage limit, shorten the acceptable age of quotes. Fewer names will make the list, but far more of them will survive, and on a volatile market that is what decides the month.

We think settings should be changed twice per cycle: towards strictness before a spike and back afterwards. Most people do neither.

Fifth: watch the lifetime of an opportunity

A rally produces plenty of instant gaps that live for seconds. They show up honestly in the list, but taking them without automation is not possible.

Set the minimum lifetime higher. That cuts out everything you cannot physically reach and stops you spending attention on phantoms.

Sixth: never leave a trade half open

The main risk of a green market is the urge to hold the winning leg a little longer. You bought cheaper, price moved up, selling feels like a waste.

At that moment arbitrage ends and a plain directional bet begins, with no stop and no plan. Pullbacks after strong moves arrive as fast as the moves themselves.

Our tools

When gaps are plentiful, value shifts from search to selection. Our arbitrage screener keeps dozens of venues in one window, refreshes quotes every second and shows each gap together with the volume actually behind it. The spread calculator helps you check what survives fees, network costs and slippage at your size. The bot is fully manual. It never connects to your exchange API keys.

To test your settings on a live market, ArbitrageScanner offers one day of free access to the whole toolset.

FAQ (Frequently Asked Questions)

1. Why cut size on a rising market?

Because resting limit orders thin out even when turnover grows. A large order fills at a noticeably worse average price and the spread you calculated disappears into slippage.

2. What should I check before every trade?

Three things: is withdrawal open on the buying exchange, is deposit open on the selling one, do the networks match. Plus the current transfer cost, which rises on a congested chain.

3. Should thresholds go up when spreads are already plentiful?

Up, precisely. A wide choice tempts you to take everything, while volatility only spares trades with a profit cushion and a hard slippage limit.

4. Why limit the minimum lifetime?

So you stop chasing what you cannot reach. Spikes throw up masses of two-second gaps: they are real, but unreachable without automation.

5. The most common mistake on a green market?

Leaving one leg open hoping the rally continues. In that second arbitrage becomes a directional bet without a plan, and the pullback arrives as sharply as the rise.

Conclusion

A rising market is more generous with opportunities and harsher on mistakes. The spread on screen gets wider while the path from screen to wallet gets longer and more expensive.

The whole checklist comes down to one thought. On a spike the winner is not whoever grabs more trades but whoever tightened the filter: smaller size, stricter thresholds, a mandatory route check and a margin buffer. Dull, but that is what keeps your earnings when the market turns.

IMPORTANT! We are software developers. We do not give recommendations or promises of earnings and we do not advise you to invest your money anywhere. Our software is fully manual, all your money stays under your own control. We show examples of how our clients have earned on arbitrage in the past, but we do not advise repeating those actions one to one. Your earnings depend solely on your own actions and on market factors.