Options flow intelligence — unusual activity put/call ratios large block trades

Answeringour last check, 2026-09-24

1 of 1checks answered this week

770 msmedian answer time

$0.01listed price per call

$0.01price it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

GET https://options.lonestaroracle.xyz/flow

Category	Everything else
Provider host	options.lonestaroracle.xyz
Networks	eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
Payment schemes	exact
Self-reported calls, 30 days	14 from 8 payers (the provider's figure, not ours)

Our checks, last 30 days

Day	Result	HTTP	Asked	Time
2026-09-24	valid payment request	402	$0.01	770 ms

Example input (from the provider)

{
  "method": "GET",
  "queryParams": {
    "expiry": "nearest",
    "symbol": "AAPL",
    "ticker": "AAPL"
  },
  "type": "http"
}

Promised output schema (from the provider)

{
  "category": "finance",
  "description": "Unusual options and derivatives activity scanner for any US stock, ETF, or major crypto (BTC / ETH / SOL via Deribit). Returns put/call volume and OI ratios, top strikes by volume, unusual activity (volume/OI > 3x), implied volatility skew, and a directional signal. Supports nearest expiry or multi-expiry scan. Ideal for agents reading market sentiment and positioning across US equities and crypto derivatives.",
  "name": "LoneStarOracle \u2014 OptionsFlow",
  "properties": {
    "input": {
      "properties": {
        "method": {
          "enum": [
            "GET",
            "HEAD",
            "DELETE"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "expiry": {
              "default": "nearest",
              "title": "Expiry",
              "type": "string"
            },
            "symbol": {
              "title": "Symbol",
              "type": "string"
            },
            "ticker": {
              "title": "Ticker",
              "type": "string"
            }
          },
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "iv_skew_pct": 2.1,
          "iv_skew_signal": "put skew \u2014 market pricing in downside protection",
          "pcr_signal": "bullish (heavy call buying)",
          "put_call_ratio": 0.55,
          "put_call_ratio_oi": 0.61,
          "summary": "AAPL options flow: 7 unusual strikes \u2014 dominant CALL | PCR 0.72 (bullish)",
          "ticker": "AAPL",
          "total_call_volume": 284000,
          "total_put_volume": 204000,
          "unusual_activity": [
            {
              "expiry": "2026-04-24",
              "in_the_money": false,
              "iv_pct": 3.1,
              "open_interest": 21443,
              "strike": 275,
              "type": "CALL",
              "vol_oi_ratio": 3.2,
              "volume": 68611
            }
          ],
          "unusual_count": 7
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "tags": [
    "options",
    "flow",
    "derivatives",
    "unusual-activity",
    "iv",
    "iv-skew",
    "put-call-ratio",
    "sentiment",
    "crypto",
    "btc",
    "eth",
    "sol",
    "deribit",
    "trading"
  ],
  "type": "object",
  "version": "1.0.0"
}

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