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Bitcoin options implied volatility

Name: Bitcoin options implied volatility
Creator: Feegate
License: https://feegate.org/pricing

ATM implied volatility per expiry plus 25-delta skew.

OptionsTry before you pay USDC · Base mainnetMCP / REST realtime

01What this dataset answers

Paid endpoint	Price / call	Parameters
expiry_ladder_entry Ask "what is the BTC option IV term structure today" — ATM implied vol and 25-delta skew for every listed expiry (a clean ladder), plus index price and timestamp. Entry tier. The full vol su	$0.07	currency: string optional(BTC/ETH), expiry: string optional, top: number optional(1-20)
vol_surface Ask "what is the option implied volatility term structure" — full: per expiry ATM strike and IV, 25d skew, max pain, put/call OI.	$0.09	currency: string optional(BTC/ETH), expiry: string optional, top: number optional(1-20)

2 paid endpoint(s), 1 free endpoint(s). Price range $0.07 – $0.09. Single call returns up to 20 rows per run.

Below is the actual response from the free endpoint vol_snapshot (truncated). The paid endpoint returns every field and the full record set.

{
  "underlying": "BTC",
  "index_price": 73555.88,
  "atm_iv_now_pct": 36.93,
  "skew_25d_now_pct": 4.59,
  "expiry_count": 10
}

Per call

$0.07 / call

Point any x402-capable client or agent framework at the endpoint; the 402 challenge tells it what to pay. Settled in USDC on Base.

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$4 free on signup

Custom / bulk

Let's talk

Extra fields, scheduled delivery, history backfill, private deployment or a walkthrough call — quoted per need.

Delivery guarantee: settle after delivery. If the source fails or returns an empty result, nothing is settled and credits are refunded.

vol_snapshot

Ask "what is the option implied volatility term structure" — free: ATM IV, 25d skew, expiry count, total OI, nearest max pain.

40 / IP / day

Direct entry points for agents

MCP: https://feegate.org/mcp · REST: https://feegate.org/api/supply/options-iv/<tool> · Catalog: https://feegate.org/api/supply/directory