Kalshi volume estimates diverge sharply as wash-trading questions emerge
Kalshi's platform-reported volume of $1.91 billion on September 20 may include multi-event combination bets that inflate the figure, a trader estimated, with actual trading closer to $136 million according to Odaily. Separately, wash-trading allegations have surfaced around Kalshi's crypto turnover after $539 million in volume and $3.1 million in related activity. Kalshi said the allegations stem from disputed sources.
Volume credibility is the foundation of trader trust and liquidity pricing on any exchange. Kalshi's headline figures systematically overstate single-event flow through combination-bet accounting, institutional participants will discount reported metrics and demand independent audit trails before committing capital. The crypto allegations compound this risk: $539 million in turnover with thin open-interest backing suggests churn rather than sustained positioning, exactly the profile that deters serious market makers.
Kalshi's rebuttal lacks published specifics, so the suspicion hangs unresolved. Traders now face a credibility gap that pushes them toward venues with cleaner data disclosure, particularly as CFTC scrutiny of perpetual-futures filings intensifies. Competitors can leverage this uncertainty in their own regulatory presentations. The platform that first publishes verified, single-event volume will set the transparency standard the rest must match.