clarification-impact
Prediction-Market Clarification Impact Pricer — Prices a prediction-market rules clarification as a trade. Given an open Polymarket market (slug, URL or conditionId; Kalshi ticker supported), reads the posted clarification (Additional context) from the UMA adapter on Polygon, or takes your clarificationText to price a pending or hypothetical one. Finds the real-world outcomes whose resolution changed, quotes each changed clause verbatim, shifts
Tool call template
Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.
{
"id": 1,
"jsonrpc": "2.0",
"method": "tools/call",
"params": {
"arguments": {
"market": "<market>"
},
"name": "clarification-impact"
}
}Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| market | Yes | Polymarket market slug, polymarket.com URL or conditionId; or a Kalshi market ticker (rules from the public trade-api v2). | |
| feeRate | No | Taker fee coefficient: fee = shares * feeRate * p * (1 - p). Defaults to the market's Gamma feeSchedule rate (0 when fees are disabled); Kalshi defaults to 0.07 times the series fee_multiplier from /series. | |
| sizeUsd | No | Intended order size in USD (default 100). | |
| position | No | ||
| priorYes | No | Override for the pre-clarification fair P(YES); default is the Polymarket CLOB price history just before the clarification, falling back to the current YES order-book mid. | |
| minEdgeBps | No | Minimum edge after fees and slippage, in bps of cost (default 100). | |
| minMoveBps | No | Fair-value move below which the answer is NO_MATERIAL_CHANGE (default 100). | |
| bankrollUsd | No | Used to turn the Kelly fraction into dollars. | |
| rulesBefore | No | Rules text before the change. Overrides the on-chain read; defaults to the creation-time rules plus earlier updates. | |
| kellyFraction | No | Fraction of full Kelly to stake (default 0.25). | |
| clarificationText | No | The clarification / Additional context text. Overrides the on-chain read. |