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# Kalshi Kills Trader Rewards After Users Gamed System for Millions
- URL: https://wire.fourthweb.ai/kalshi-kills-trader-rewards-after-users-gamed-system-for-millions/
- Published: 2026-09-30T07:21:08.000Z
- Updated: 2026-09-30T08:01:31.000Z
- Description: The prediction market that beat the regulators just cut the program that made beating them profitable. Kalshi is terminating its volume incentive program effective October 13, following questions about clustered ether perpetual trades that looked like wash trading
- Author: Travis Wright
- Tags: Real World Assets, DeFi, IPO Watch

**The prediction market that beat the regulators just cut the program that made beating them profitable.**

### The Summary

- [Kalshi is terminating its volume incentive program](https://thedefiant.io/news/cefi/kalshi-files-to-end-volume-incentive-program?ref=wire.fourthweb.ai) effective October 13, following questions about clustered ether perpetual trades that looked like wash trading
- [September volume hit $52.98 billion](https://www.theblock.co/news/business/2026-09-30-kalshi-ends-trader-incentive-program-417247?ref=wire.fourthweb.ai), an all-time high, even with the month incomplete when reported
- [The Defiant notes](https://thedefiant.io/news/cefi/kalshi-files-to-end-volume-incentive-program?ref=wire.fourthweb.ai) reward pools excluded market makers with formal agreements, but Kalshi blamed "separate liquidity payments" for the suspicious activity
- Timing suggests the incentive program created exactly what it was supposed to prevent: fake volume chasing rewards instead of real price discovery

### The Signal

[Kalshi's volume incentive program](https://thedefiant.io/news/cefi/kalshi-files-to-end-volume-incentive-program?ref=wire.fourthweb.ai) is ending October 13, not because it failed to generate activity, but because it succeeded in generating the wrong kind. The platform saw clustered ether perpetual trades that raised wash trading red flags. Kalshi's defense centers on "separate liquidity payments" to certain traders, but that explanation reveals the deeper problem with pay-for-volume schemes in prediction markets.

[The platform's September volume](https://www.theblock.co/news/business/2026-09-30-kalshi-ends-trader-incentive-program-417247?ref=wire.fourthweb.ai) reached $52.98 billion, an all-time high despite incomplete monthly data. That number looks impressive until you ask how much came from traders seeking actual information versus traders farming incentives. When you pay people to trade, you get trading. Whether you get price discovery is another question entirely.

> "Reward pools excluded members with market-maker agreements, yet suspicious activity appeared anyway."

The structure matters here. [The Defiant reports](https://thedefiant.io/news/cefi/kalshi-files-to-end-volume-incentive-program?ref=wire.fourthweb.ai) the reward pools explicitly excluded members with market maker agreements. That design choice suggests Kalshi knew the incentive program created perverse motivations. But carving out official market makers while maintaining separate liquidity payments to other traders just created two tiers of paid participants. The clustered ether trades show what happens when the incentive structure values volume over legitimate price signals.

Prediction markets are supposed to aggregate dispersed information into actionable probabilities. That only works when traders have skin in the game tied to being right, not tied to hitting volume thresholds. [Crypto Briefing notes](https://cryptobriefing.com/kalshi-ends-volume-incentive-program/?ref=wire.fourthweb.ai) the program's end may reduce trading incentives and impact market liquidity. That is the point. If your liquidity depends on paying people to trade, you have manufactured depth, not organic markets.

**Key tensions:**

- Volume hit all-time highs while wash trading allegations emerged
- Excluded formal market makers but paid other traders for liquidity
- Built a regulated U.S. prediction market, then copied crypto's worst incentive designs

The irony cuts deep. Kalshi spent years fighting the CFTC to operate legally in the United States, positioning itself as the grown-up alternative to offshore crypto prediction markets. Then it implemented the same volume mining programs that plague decentralized exchanges. Pay people to trade, watch them optimize for payments instead of information. The regulatory win matters less when you voluntarily adopt the unregulated market's problems.

### The Implication

Watch how Kalshi's volume trends post-October 13\. If it craters, the recent growth was hollow. If it holds, the platform found genuine product-market fit beneath the incentive layer. Either way, this is a referendum on whether prediction markets need training wheels or whether subsidizing activity just delays the real question: do enough people want to trade information?

For other platforms in the prediction market space, this is a playbook update. Volume incentives look like growth hacking until they look like fraud. The gap between those two is thinner than founders want to believe, and regulators are watching closer than crypto natives assume.

### Sources

[The Defiant](https://thedefiant.io/news/cefi/kalshi-files-to-end-volume-incentive-program?ref=wire.fourthweb.ai) | [The Block](https://www.theblock.co/news/business/2026-09-30-kalshi-ends-trader-incentive-program-417247?ref=wire.fourthweb.ai) | [Crypto Briefing](https://cryptobriefing.com/kalshi-ends-volume-incentive-program/?ref=wire.fourthweb.ai)