Skip to main content
GET
Open interest and holder stats

Authorizations

x-api-key
string
header
required

Solana Tracker Data API key

Path Parameters

ticker
string
required

Market ticker or condition id

Query Parameters

exchange
string

kalshi, polymarket, or poly

Response

Open interest

Aggregated open interest for a market.

estimated
boolean
required

True when the value is derived/estimated rather than authoritative.

source
string
required

Serving source: indexed, upstream, unavailable.

stale
boolean
required

True when the payload is older than the freshness SLO.

exchange
enum<string>
required
Available options:
polymarket,
kalshi
marketId
string
required
totalTrades
integer<int64>
required

Total number of trades (activity proxy, not OI).

Required range: x >= 0
totalVolumeTokens
number<double>
required

Total token volume traded (activity proxy, not OI).

uniqueHolders
integer<int64>
required

Unique addresses that have traded this market (activity proxy, not OI).

Required range: x >= 0
indexedAt
string | null

Local index timestamp when known.

sourceUpdatedAt
string | null

Upstream/source event timestamp when known.

unavailableReason
string | null

Why the payload is missing or incomplete.

openInterest
integer<int64> | null

Authoritative open interest when the exchange publishes it.

Required range: x >= 0