Prediction Market Trends, Top Markets & Momentum Signals
omnial/prediction-market-analytics
Given an optional category (crypto, politics, sports, stem, and others) and platform filter (Polymarket or Kalshi), returns daily volume/open-interest trend points, the top markets by trading volume with pricing and liquidity details, and a momentum breakdown (price direction, volume direction, and whale/smart-money flow) across the most active markets.
activeper callv2
Price
$0.0328 per call
You pay the price shown. If a call turns out to cost more than its quote, you pay the actual price, capped at twice the quote. No monthly minimum. Top-ups start at $5.00.
Data source
Data from Polymarket and Kalshi.
Use it
Your AI assistant does the work: it finds this tool, shows you the price first, runs it, and you are charged when the run finishes. There is nothing to set up for this tool in particular.
Connect once and your AI can find and run this tool, and any other it needs.
For developers: the calls your assistant makes
agent
// 1. search: find the tool
omnial_search({ query: "what you need" })
// 2. inspect: price and input schema
omnial_inspect({ tool: "omnial/prediction-market-analytics" })
// 3. learn: read the usage guide at runtime
omnial_learn({ tool: "omnial/prediction-market-analytics" })
// 4. run: price the exact call first, then run it
omnial_execute({ tool: "omnial/prediction-market-analytics", input: { /* see input_schema */ }, dry_run: true })
omnial_execute({ tool: "omnial/prediction-market-analytics", input: { /* ... */ } })
// 5. settle: the call is charged when it finishes, nothing to doNot connected yet? Point your MCP client at https://mcp.eden-engine.com/mcp, then copy a config for your client.
Pricing
Every charge this tool can incur.
| Charge | Price |
|---|---|
Per call | $0.0328 |
- Updated
- Oct 27, 2026
Input and output schemas
Input schema
input_schema.json
{
"type": "object",
"anyOf": [
{
"required": [
"category"
]
},
{
"required": [
"platform"
]
}
],
"properties": {
"limit": {
"type": "integer",
"default": 20,
"maximum": 100,
"minimum": 1,
"description": "Limit for momentum markets list. Defaults to 20."
},
"order": {
"enum": [
"asc",
"desc"
],
"type": "string",
"default": "desc",
"description": "Sort direction. Defaults to \"desc\"."
},
"top_n": {
"type": "integer",
"default": 10,
"maximum": 50,
"minimum": 1,
"description": "Number of top markets to include. Defaults to 10."
},
"offset": {
"type": "integer",
"default": 0,
"maximum": 9007199254740991,
"minimum": 0,
"description": "Pagination offset for momentum markets. Defaults to 0."
},
"sort_by": {
"enum": [
"volume_7d",
"whale_flow_net_7d",
"price_change_7d",
"oi_change_7d"
],
"type": "string",
"default": "volume_7d",
"description": "Sort field for momentum markets. Defaults to \"volume_7d\"."
},
"category": {
"enum": [
"crypto",
"culture",
"economics",
"financials",
"politics",
"stem",
"sports"
],
"type": "string",
"description": "Category to analyze. Omit to get platform-wide totals across all categories."
},
"platform": {
"enum": [
"polymarket",
"kalshi"
],
"type": "string",
"description": "Filter to one platform."
},
"time_range": {
"enum": [
"7d",
"30d",
"90d",
"180d",
"1y"
],
"type": "string",
"default": "30d",
"description": "Window for category trends: 7d, 30d, 90d, 180d, or 1y. Bucket size is fixed at 1 day — this endpoint uses time_range only and does NOT accept interval. Defaults to \"30d\"."
}
},
"additionalProperties": false
}Output schema
output_schema.json
{
"type": "object",
"properties": {
"data": {
"type": "object",
"properties": {
"top_markets": {
"type": "array",
"items": {
"type": "object",
"properties": {
"status": {
"type": "string",
"description": "e.g. 'active', observed on every entry."
},
"category": {
"type": "string"
},
"platform": {
"enum": [
"polymarket",
"kalshi"
],
"type": "string"
},
"question": {
"type": "string"
},
"token_id": {
"type": "string",
"description": "Polymarket's ERC-1155 outcome token id. Only present for platform 'polymarket'."
},
"volume_1d": {
"type": "number"
},
"volume_7d": {
"type": "number"
},
"event_slug": {
"type": "string",
"description": "Polymarket event URL slug. Only present for platform 'polymarket'."
},
"volume_30d": {
"type": "number"
},
"event_title": {
"type": "string"
},
"market_slug": {
"type": "string",
"description": "Polymarket URL slug. Only present for platform 'polymarket'."
},
"subcategory": {
"type": "string"
},
"condition_id": {
"type": "string",
"description": "Polymarket's own market identifier. Only present for platform 'polymarket'."
},
"event_ticker": {
"type": "string",
"description": "Kalshi's own event ticker. Only present for platform 'kalshi'."
},
"latest_price": {
"type": "number",
"description": "Implied probability, observed 0-1."
},
"market_ticker": {
"type": "string",
"description": "Kalshi's own market ticker. Only present for platform 'kalshi'."
},
"outcome_label": {
"type": "string",
"description": "Polymarket outcome name, e.g. 'Yes'. Only present for platform 'polymarket'."
},
"trade_count_7d": {
"type": "integer"
},
"event_group_slug": {
"type": "string",
"description": "Polymarket event-group URL slug. Only present for platform 'polymarket'."
},
"open_interest_usd": {
"type": "number"
},
"days_to_resolution": {
"type": "number",
"description": "Days until the market resolves. Not present on every entry observed."
},
"matched_counterpart": {
"type": "string",
"description": "Observed only on Kalshi entries: the matched Polymarket condition id for the same underlying question, when the vendor has matched one across platforms. Not observed on every Kalshi entry."
},
"smart_money_direction": {
"type": "string",
"description": "'BULLISH', 'BEARISH', 'NEUTRAL', or observed empty. Not present on every entry observed."
}
},
"additionalProperties": true
},
"description": "The top markets for the requested filters, ranked by volume."
},
"category_trends": {
"type": "array",
"items": {
"type": "object",
"properties": {
"source": {
"type": "string",
"description": "Platform name, e.g. 'Kalshi', 'Polymarket'."
},
"timestamp": {
"type": "number",
"description": "Unix seconds, start of the day bucket."
},
"volume_usd": {
"type": "number"
},
"market_count": {
"type": "integer"
},
"open_interest_usd": {
"type": "number"
}
},
"additionalProperties": true
},
"description": "One entry per platform per day bucket in the requested time_range window (bucket size is always 1 day)."
},
"momentum_markets": {
"type": "array",
"items": {
"type": "object",
"properties": {
"category": {
"type": "string"
},
"question": {
"type": "string"
},
"volume_7d": {
"type": "number"
},
"subcategory": {
"type": "string"
},
"condition_id": {
"type": "string",
"description": "Polymarket-style condition id, observed on every entry."
},
"latest_price": {
"type": "number",
"description": "Implied probability, observed 0-1."
},
"oi_change_7d": {
"type": "number",
"description": "Signed change in open interest (USD) over 7 days."
},
"price_momentum": {
"type": "string",
"description": "'CONFIRMING_UP', 'CONFIRMING_DOWN', 'NEUTRAL', 'DIVERGING_UP', or 'DIVERGING_DOWN' observed."
},
"price_change_7d": {
"type": "number",
"description": "Signed change in implied probability over 7 days."
},
"volume_direction": {
"type": "string",
"description": "'INCREASING', 'STABLE', or 'DECREASING' observed."
},
"whale_flow_net_1d": {
"type": "number"
},
"whale_flow_net_7d": {
"type": "number"
},
"smart_money_direction": {
"type": "string",
"description": "'BULLISH', 'BEARISH', 'NEUTRAL', or observed empty when no signal."
},
"smart_wallets_involved": {
"type": "integer"
}
},
"additionalProperties": true
},
"description": "Per-market momentum detail, sorted/limited by sort_by, order, limit, offset."
},
"momentum_summary": {
"type": "object",
"properties": {
"neutral": {
"type": "integer"
},
"diverging_up": {
"type": "integer"
},
"total_active": {
"type": "integer"
},
"confirming_up": {
"type": "integer"
},
"diverging_down": {
"type": "integer"
},
"confirming_down": {
"type": "integer"
},
"volume_decreasing": {
"type": "integer"
},
"volume_increasing": {
"type": "integer"
}
},
"description": "Counts across ALL active markets platform-wide for the requested category, not just top_markets.",
"additionalProperties": true
}
},
"additionalProperties": true
},
"meta": {
"type": "object",
"properties": {
"cached": {
"type": "boolean"
}
},
"additionalProperties": true
}
},
"description": "Category volume/open-interest trend points, the top markets by trading volume, and a momentum breakdown across the most active markets for the requested filters.",
"additionalProperties": true
}