Kalshi sets $2,500 monthly deposit limit for young traders
Kalshi’s total volume topped $170bn year-to-date, with Polymarket running a rival crypto-collateral model.
The hit
Traders aged 18 to 21 were responsible for about $5.4bn of trading activity on Kalshi through August 2026, according to CNN. A separate survey from S&P Global Market Intelligence’s Kagan unit found over 60% of Kalshi & Polymarket users are under 35, with sports the favourite category.
Why it matters
A young, high-volume user base puts pressure on Kalshi to show it can manage addiction & loss risks. Polymarket, running on blockchain rails with pUSD collateral, faces the same demographic skew.
The record
| Kalshi volume from 18-21 year-olds (CNN, through August 2026) | about $5.4bn |
|---|---|
| Kalshi total trading volume year-to-date (August 2026) | $170bn+ |
| Share of Kalshi & Polymarket users under 35 (S&P Global Market Intelligence’s Kagan unit) | 60%+ |
| New default monthly deposit limit for 18-20 year-olds (Kalshi, introduced) | $2,500 (27 October 2026) |
What happens next
Watch whether Kalshi’s new deposit limit curbs trading volume among its youngest users.
Sources: Kalshi attracts Gen Z traders seeking quick gains in prediction markets
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