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PolyKal Research

Method-first research on comparing Polymarket and Kalshi — fees, order-book depth, resolution rules and data freshness. Independent research, not affiliated with either platform; not trading advice.

Weekly briefs

No weekly briefs published yet. New briefs are added here after review.

Monthly briefs

No monthly briefs published yet. New briefs are added here after review.

About

Method-first research. We describe how to compare prediction markets and what to verify — we do not publish trades or price gaps presented as opportunities. Underlying fee data is free and dated: /data/fees.json.

Polymarket & Kalshi Fee CalculatorEnter a contract count and price to see each platform's exact trading fee, taker or maker, from its published fee formula. Open the calculator →
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Research
PolyKal Research

Method-first research on comparing Polymarket and Kalshi — fees, order-book depth, resolution rules and data freshness. Independent research, not affiliated with either platform; not trading advice.

Weekly briefs

No weekly briefs published yet. New briefs are added here after review.

Monthly briefs

No monthly briefs published yet. New briefs are added here after review.

About

Method-first research. We describe how to compare prediction markets and what to verify — we do not publish trades or price gaps presented as opportunities. Underlying fee data is free and dated: /data/fees.json.

Polymarket & Kalshi Fee CalculatorEnter a contract count and price to see each platform's exact trading fee, taker or maker, from its published fee formula.
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Data is based on publicly visible on-chain and trading activity across platforms. For research reference only — not investment advice. Past performance does not indicate future results.