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Open Interest

The total number of outstanding derivative contracts (e.g., perpetual futures) that have not been settled. Rising open interest with rising prices suggests new money entering long positions. Rising OI with falling prices suggests new short positions. Falling OI indicates position closure.

Definition

The total number of outstanding derivative contracts (e.g., perpetual futures) that have not been settled. Rising open interest with rising prices suggests new money entering long positions. Rising OI with falling prices suggests new short positions. Falling OI indicates position closure.

Live Data Example </> API
# Open Interest live data
$ curl command:
curl -H "X-API-Key: YOUR_KEY" https://algotick.dev/v1/snapshot?coin=BTC
Endpoint: /v1/snapshot?coin=BTC
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Current Open Interest data from the Algo Tick API:

{
  "metrics": [
    {
      "metric_id": "eth_basefee_live",
      "time_chain": "2026-03-12T18:54:23.000Z",
      "time_local": "2026-03-12T18:54:32.328Z",
      "value": 0.222
    },
    {
      "metric_id": "eth_block_utilization_pct",
      "time_chain": "2026-03-12T18:54:23.000Z",
      "time_local": "2026-03-12T18:54:32.328Z",
      "value": 44.93
    },
    {
      "metric_id": "eth_burn_rate_live",
      "time_chain": "2026-03-12T18:54:23.000Z",
      "time_local": "2026-03-12T18:54:32....
# Fetch this yourself:
curl -H "X-API-Key: YOUR_KEY" https://algotick.dev/v1/snapshot?coin=BTC

Related Terms

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