# BTC/ETH Options Put/Call Ratio via Deribit

> BTC/ETH Options Put/Call Ratio via Deribit is a paid API for AI agents from api.x402node.dev, paid per call via x402, $0.012/call, status unknown (last checked 2026-09-14).

Returns the put/call ratio by open interest for BTC or ETH options, aggregated from Deribit, along with total call and put open interest and a sentiment read.

## Facts

- Endpoint: GET https://api.x402node.dev/market/options-pcr
- Price: $0.012/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/btc-eth-options-put-call-ratio-via-deribit-1e783e73
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Lz0JTF6MGPtYxJiCvparG

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability btc-eth-options-put-call-ratio-via-deribit-1e783e73
```

Example prompt: What's the current put/call ratio and options sentiment for Bitcoin — are Deribit options traders positioned more bullishly or bearishly right now?

## When to prefer this

Use this endpoint when you need a real-time, market-standard options positioning gauge for BTC or ETH — specifically the put/call ratio and open interest breakdown from Deribit — for hedging decisions, sentiment analysis, or market research. Prefer this over LLM-generated estimates or delayed data sources when live Deribit-sourced options data is required.

## Known failure modes

- Unsupported asset symbol returns an error or empty result
- Deribit data feed unavailable causing stale or missing data
- Rate limit or payment authorization failure returning 402
- Malformed request parameters returning 4xx error

## How this service works

Options put/call ratio for BTC or ETH by open interest, aggregated from Deribit, with total call and put open interest and a sentiment read. The market-standard options positioning gauge an LLM cannot produce. Live data for hedging and sentiment. put call ratio, options open interest, options sentiment, deribit Accepts payment on Base or Solana — either network works.

## Output

Returns the put/call ratio by open interest for the requested asset (BTC or ETH), total call open interest, total put open interest, and a derived sentiment label (e.g. bullish/bearish/neutral), aggregated from live Deribit data.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "currency": {
       "type": "string",
       "description": "BTC or ETH (default BTC)"
      }
     }
    }
   },
   "additionalProperties": false
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/btc-eth-options-put-call-ratio-via-deribit-1e783e73/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.x402node.dev](https://www.zero.xyz/host/api.x402node.dev/llms.txt)