Cryptocurrency

Reading Exchange Volume: What Reported Numbers Hide

Khaled Hawari  ·   ·  5 min read

Trading volume charts under review, illustrating scrutiny of reported cryptocurrency exchange activity

A venue’s reported 24 hour volume is produced by the venue. Nobody audits it, no rule requires it to mean anything specific, and the number is displayed prominently because it is a sales asset. Treat it accordingly.

I am not claiming every venue inflates its numbers. I am claiming that you have no way to tell which ones do from the number itself, and that the incentive runs one direction. That is enough to change how you use the figure.

What wash trading is, and why it pays

A wash trade is a transaction where the same beneficial owner sits on both sides. Nothing changes hands in economic terms. A print appears on the tape.

On a regulated Canadian marketplace this is prohibited conduct, and the framework sits in the CSA instruments the OSC publishes and administers, with cases pursued through enforcement. Manipulative trading is not a grey area in securities law. It is one of the oldest named offences in it.

An unregulated offshore venue faces none of that, and gains three things from inflated volume:

Ranking on aggregator sites, which drives customer acquisition. Listing fees from token projects, who pay to be somewhere that looks liquid. And the appearance of depth, which makes large traders willing to route orders there.

The academic work is worth reading rather than summarising. The paper Crypto Wash Trading applies statistical forensics from other markets to exchange trade data and finds the distributions on some unregulated venues do not look like the distributions on regulated ones. I will not quote its estimates here because they are specific to the venues and period it studied, and the specific number is not the point. The method is.

The tests that survive contact with reality

None of these prove fraud. Each one raises or lowers your confidence.

TestWhat real markets look likeWhat a manufactured tape looks like
Trade size distributionClustered at round lots, long tail of odd sizesUniform sizes, or improbably round ones
First digit of trade sizesRoughly follows Benford’s lawFlat or clumped
Volume against order book depthVolume is a sane multiple of visible depthEnormous volume over a thin book
Spread against claimed volumeHigh volume goes with a tight spreadHigh volume with a wide spread
Withdrawal behaviourFast, boring, unremarkableDelays, minimums, “maintenance”
Volume across venuesCorrelated during real eventsUncorrelated, or high when others are quiet
Fee structureMaker rebates modest, taker fees realZero fees on the pair with the huge volume

The spread test is the one I would run first if I could only run one. Liquidity and spread are mechanically linked: a genuinely busy book gets tight because market makers compete for flow. A venue reporting enormous volume on a pair whose bid and ask are far apart is telling you two things that cannot both be true.

The zero fee test is close behind. Wash trading costs money when fees are real. A promotional zero fee pair removes the cost of manufacturing volume, which is why the pair with no fees is so often the pair with the headline number.

Spoofing is a different animal

Wash trading fakes the tape. Spoofing fakes the book.

A spoofer places large orders they intend to cancel, to create the appearance of demand or supply, then trades against the reaction. The order never fills because it was never meant to. This is also prohibited market conduct on regulated venues and it is much harder to detect from outside, because from a snapshot a spoof order and a real order are identical.

What you can see is the pattern over time: large orders that appear at a level, sit briefly, and vanish as price approaches, repeatedly. If your execution keeps getting worse the moment you commit, you may be trading against someone who knows what your order flow looks like. The practical defence is the same as for slippage: limit orders, split size, and do not treat displayed depth as a promise.

The volume claim is a marketing claim

When a venue advertises volume to attract Canadian customers, the claim is subject to more than securities law. Materially misleading representations made to promote a product fall within the Competition Bureau’s deceptive marketing practices regime, and the general impression the representation creates is what matters, not a footnote.

That is a useful frame for a business owner. You are allowed to ask a platform, in writing, how it computes reported volume, whether internal accounts are included, and whether the figure is netted. A venue that answers precisely is telling you something. A venue that does not answer is also telling you something.

The OSC maintains investor warnings and alerts covering platforms operating without registration in Ontario, which is the single fastest check available before you fund an account. It costs two minutes and it is a better use of them than reading a rankings table.

The pattern is not new

The BIS made a version of this argument about decentralised venues in DeFi risks and the decentralisation illusion: the structure claims to remove intermediaries, and in practice concentration reappears somewhere less visible. Reported activity metrics have the same problem. The metric is generated by the party the metric flatters.

Every market cycle produces institutions whose reported numbers were the last thing to fail. The lessons from 2008 were about exactly this, that the disclosed figure and the underlying position had come apart long before anyone noticed, and that the entities with the most impressive metrics were the ones with the most reason to manufacture them.

Registration, spreads and exports beat reported volume

I do not use reported volume to choose a venue. I use registration status, withdrawal experience, spread on the pair I actually trade, and whether the platform produces a trade export I can reconcile. Those are all verifiable by me. Volume is not.

If your holdings sit on a platform you have not looked at closely, and you want a sober read on the counterparty and the reporting trail before you leave them there, book a call and bring your account statements. Registration status under the Canadian framework is where I would start.

Khaled Hawari, Ottawa tax and financial consultant

Written by

Kal Hawari

Khaled Hawari is an Ottawa tax and financial consultant, known to most clients as Kal Hawari. Personal and corporate tax, bookkeeping, and CRA-compliant crypto reporting for Canadians.

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