get_topic_price_history - SeeSaw Developer

How a prediction market’s option probabilities moved over time. Prediction markets only — poll IDs return 404. REST equivalent: GET /open/v1/topics/{id}/price-history

Parameters

Name	Type	Required	Default	Notes
`topic_id`	string (uuid)	✅	—
`range`	`1d` \| `1w` \| `all`		`all`	Only these three windows exist

Returns

Points oldest-first, no pagination. Captured live (trimmed):

{
  "data": [
    {
      "timestamp": "2026-07-03T06:32:30.293853Z",
      "probabilities": [
        { "option_id": "4d995c85-e5c6-4048-989d-e177442db219", "probability": "0.5000" },
        { "option_id": "d502b13a-64f6-4951-8029-b84d59019ce5", "probability": "0.5000" }
      ]
    },
    {
      "timestamp": "2026-07-03T06:35:06.186864Z",
      "probabilities": [
        { "option_id": "4d995c85-e5c6-4048-989d-e177442db219", "probability": "0.5476" },
        { "option_id": "d502b13a-64f6-4951-8029-b84d59019ce5", "probability": "0.4524" }
      ]
    }
  ],
  "next_cursor": null,
  "has_more": false
}

Match option_id against the options array from get_topic to label the series.

Example prompts

“How have the odds on this market moved this week?”
“Chart the probability history of the Nasdaq topic and point out the biggest swing.”

get_topic · list_topic_comments