#options

Live market data from Deribit — the leading crypto options and futures exchange. A keyless, no-account JSON wrapper over Deribit's public v2 API. Read the spot index price for any settlement currency (BTC, ETH, USDC, USDT), pull a full ticker for any instrument — last / mark / index price, best bid-ask, open interest and 8-hour funding for perpetuals, plus mark implied volatility and the greeks (delta, gamma, vega, theta, rho) for options — list the entire active instruments catalog by currency and kind (future, option, spot, combos) with strikes, expiries and contract sizes, and fetch per-currency order-book summaries across all live instruments. The raw exchange feed for derivatives desks, options dashboards, volatility models and trading bots — distinct from analytics products: this is Deribit's own ticker, instrument and book data, decoded into clean JSON.

api.oanor.com/deribit-api

Live market data for Paradex, the Starknet-appchain perpetuals and options DEX, with no key. List every instrument (perpetual futures, dated options and spot) with full contract specs; pull a per-market summary with mark price, 24h volume, open interest, funding rate and — for options — implied volatility and full greeks (delta, gamma, vega, theta); read the live order book; and stream recent public trades. Paradex is one of the few venues exposing on-chain options greeks over a keyless feed — ideal for derivatives dashboards and options analytics.

api.oanor.com/paradex-api

Wie viel mehr Volatilität der Optionsmarkt einpreist, als der Markt tatsächlich geliefert hat – der Carry, den jede Short-Volatilitätsstrategie erntet – live berechnet aus Yahoo Finance, kein API-Key, nichts gespeichert. Die implizite Volatilität (der VIX und seine Verwandten) ist fast immer höher als die Volatilität, die sich anschließend zeigt: Anleger zahlen für Schutz, und diese Lücke, die Varianzrisikoprämie, ist eines der beständigsten bezahlten Risiken an den Märkten. Diese API misst sie direkt über die wichtigsten Anlageklassen, die einen impliziten Volatilitätsindex veröffentlichen: für den S&P 500 (VIX), den Nasdaq 100 (VXN), Rohöl (OVX) und Gold (GVZ) nimmt sie den aktuellen impliziten Volatilitätsindex und subtrahiert die realisierte Volatilität, die der Basiswert tatsächlich über das entsprechende ~30-Tage-Fenster geliefert hat (annualisierte Standardabweichung der täglichen Log-Renditen), und gibt die Prämie in Volatilitätspunkten, das implizite/realisierte Verhältnis und eine teuer/günstig-Lesart zurück. Ein großer positiver VRP bedeutet, dass Optionen teuer sind im Vergleich zu dem, was der Markt getan hat (Verkäufer werden gut bezahlt); ein negativer VRP – implizit unter realisiert – ist selten und zeigt an, dass Optionen günstig sind, oft während oder direkt nach einem Stressereignis. Der Premium-Endpunkt gibt alle vier Märkte sortiert zurück; der Asset-Endpunkt gibt einen Markt mit 21- und 30-Tage-Realisierungsbeinen zurück; der History-Endpunkt gibt die VRP-Zeitreihe zurück. Dies ist der implizit-minus-realisiert / Varianzrisikoprämie-Schnitt für Aktien und Rohstoffe – unterschieden vom impliziten Volatilitätsniveau-Board (kein realisiertes Bein), dem realisierten Volatilitäts-Dashboard (kein implizites Bein) und der reinen Krypto-DVOL/VRP-API.

api.oanor.com/vrp-api

Die Form der Aktienvolatilitätskurve – das am meisten beachtete Regime-Signal in der Optionswelt – live von Yahoo Finance berechnet, kein API-Key, nichts gespeichert. Ein VIX-Wert sagt Ihnen, wie verängstigt der Markt gerade ist; die Term Structure sagt Ihnen, ob diese Angst kurzfristige Panik oder ein ruhiger, anhaltender Zustand ist und in welche Richtung sie sich bewegt. Diese API liest die implizite Volatilitätskurve des S&P 500 über vier Laufzeiten – den 9-Tage-VIX, den 30-Tage-VIX, den 3-Monats-VIX und den 6-Monats-VIX – und wandelt sie in ein Regime um. Wenn die Kurve ansteigt (VIX < VIX3M < VIX6M), befindet sich der Markt im Contango: ruhig, mit kurzfristiger Volatilität günstiger als langfristige, der Zustand, den Short-Vol-Strategien ernten. Wenn sie in Backwardation invertiert (VIX über VIX3M), ist die kurze Seite teurer als die lange: akuter Stress, Angst steigt, historisch nahe an Kapitulation. Der Structure-Endpoint gibt die Live-Kurve, das Contango-Verhältnis (VIX / VIX3M), das Short-End-Verhältnis (VIX9D / VIX), den Roll-Yield, den eine Short-Vol-Position erzielen würde, die Steigungsklassifikation und eine Regime-Lesart zurück, mit VVIX (der Volatilität des VIX) als Kontext. Der History-Endpoint gibt die tägliche Zeitreihe des Contango-Verhältnisses zurück und markiert jeden Backwardation-Tag. Der Percentile-Endpoint ordnet das heutige Contango-Verhältnis in seine Ein-Jahres-Spanne ein. Dies ist der Volatilitäts-Term-Structure / Contango-Backwardation-Schnitt – unterschieden vom Cross-Asset-VIX-Family-Level-Board, dem Crypto-DVOL-Index und den Realisierte-Volatilität-APIs. Es ist die Form der Angst, nicht ihr Niveau.

api.oanor.com/vixterm-api

Where option-dealer hedging flows concentrate, and whether they damp or amplify price moves — computed live from Deribit's public option book, no key, nothing stored. Each open option carries gamma; when dealers are net long gamma they hedge against the move (buy dips, sell rips) and volatility is suppressed, and when they are net short gamma they hedge with the move and volatility is amplified. The gex endpoint aggregates Black-Scholes gamma across every listed expiry, weighted by open interest, into the net dealer gamma exposure (in dollars per 1% move), the call and put gamma split, the zero-gamma flip level — the spot price at which net GEX crosses zero, the boundary between the mean-reverting (positive-gamma) and trending (negative-gamma) regimes — where spot sits relative to it, and the strikes holding the most gamma (the pinning magnets and acceleration zones). The profile endpoint returns GEX by strike, across all expiries or one. The expiries endpoint returns net GEX per listed expiry. This is the dealer-gamma / GEX analytics cut for crypto — distinct from the max-pain / open-interest positioning view, the implied-vol skew surface, the raw option chain and the single-option Black-Scholes pricer in the catalogue. GEX uses the SpotGamma convention (dealers long calls / short puts, r=0) and Black-Scholes gamma from mark IV — a model estimate of positioning, documented as such, not exchange-reported dealer inventory. Currency is BTC, ETH, SOL or XRP.

api.oanor.com/gex-api

Die Form der impliziten Volatilitätsfläche von Kryptowährungen, live aus dem öffentlichen Optionsbuch von Deribit berechnet – kein API-Key, nichts gespeichert. Eine einzelne At-the-Money-Zahl verbirgt, was der Optionsmarkt wirklich sagt. Der Skew-Endpunkt gibt für eine Währung (BTC, ETH, SOL, XRP) und ein Verfallsdatum die ATM-implizite Volatilität, die impliziten Volatilitäten einer Out-of-the-Money-Put- und Call-Option bei einer gewählten Moneyness, den Risk Reversal (Call-IV minus Put-IV – positiv bedeutet, dass Calls nachgefragt werden und Aufwärtspotenzial bevorzugt wird, negativ bedeutet, dass Puts nachgefragt werden und der Markt für Absicherung nach unten zahlt) und den Butterfly (Durchschnitt der Flügel minus ATM – wie konvex das Lächeln ist) zurück. Der Termstructure-Endpunkt gibt die ATM-implizite Volatilität für jedes gelistete Verfallsdatum zurück, sodass Sie sehen, ob die kurzfristige Volatilität über der langfristigen liegt (Backwardation, Stress) oder darunter (Contango, der ruhige Standard). Der Smile-Endpunkt gibt die vollständige implizite Volatilitätskurve über die Ausübungspreise für ein Verfallsdatum zurück – das klassische Volatilitätslächeln. Dies ist die Volatilitätsflächen-Analytik für Kryptowährungen – abgegrenzt von der rohen, vertragsspezifischen Optionskette, der Max-Pain-/Open-Interest-Positionsansicht, der realisierten Volatilitätsreihe und den US-Aktien-Put/Call-APIs im Katalog. Währung ist BTC, ETH, SOL oder XRP; Verfallsdatum ist ein Deribit-Code wie 26JUN26 (für das nächste Verfallsdatum weglassen).

api.oanor.com/optionsskew-api

Where the crypto options market is positioned, and the strike toward which an expiry's open interest exerts the most "pain" — computed live from Deribit's public option book, no key, nothing stored. Max pain is the strike at which the total value of all open options is lowest at expiry: the price at which the greatest dollar amount of option open interest expires worthless and option writers keep the most premium. Traders watch it because price often gravitates toward max pain into a large expiry. The maxpain endpoint takes a currency (BTC, ETH, SOL, XRP) and an expiry and returns the max-pain strike, the spot/underlying, how far spot sits from max pain, and the call and put open-interest totals with the put/call OI ratio. The oi endpoint returns the full open-interest-by-strike distribution for an expiry — which strikes hold the most open interest, the magnets and walls (support & resistance) traders watch. The expiries endpoint lists every listed expiry with its aggregate open interest, contract count and call/put split. This is the aggregate options-positioning / max-pain analytics cut for crypto — distinct from the raw per-contract option chain (greeks/IV), from US equity options and from the crypto-volatility APIs in the catalogue. Currency is BTC, ETH, SOL or XRP; expiry is a Deribit code like 26JUN26.

api.oanor.com/maxpain-api

Live (15-minute delayed) options put/call sentiment analytics for US stocks and indices, computed from CBOE's public delayed-quotes feed. The ratio endpoint aggregates the entire option chain into the headline sentiment gauges — the put/call ratio by volume and by open interest, the total put and call volume and open interest, the contract counts, and the underlying price with its 30-day implied volatility (IV30) — plus a plain-language sentiment lean. The expiries endpoint breaks the put/call ratio down by expiration date, giving the term structure of sentiment. The strikes endpoint maps call-versus-put volume and open interest across strikes for an expiration, showing where positioning sits. This is the computed options-sentiment and positioning view — ratios and skew, not a contract dump — distinct from the raw options-chain, the volatility-index and the options-pricing calculators in the catalogue. US index options use an underscore-prefixed symbol (_SPX, _VIX); a ratio above 1 means more puts than calls (defensive/bearish lean). Live, no key on the upstream, nothing stored.

api.oanor.com/putcallratio-api

Live (15-minute delayed) US equity and index options chains, served from CBOE's public delayed-quotes feed. For any optionable ticker the summary endpoint returns the underlying quote — current price, day change, open/high/low/close, volume, bid/ask and the 30-day implied volatility (IV30) with its change. The expirations endpoint lists every available expiration date with its call and put contract counts. The chain endpoint returns the option contracts themselves: for each strike and expiry it gives the call/put bid, ask, last, implied volatility, open interest, volume and the full greeks — delta, gamma, theta and vega — and can be filtered by expiration date and by call or put. US index options are addressed with an underscore prefix (_SPX, _VIX). This is the single-name equity and index options surface — strikes, expiries, IV and greeks — distinct from the options-pricing calculators, the crypto-options and the FX/rate APIs in the catalogue. Live, no key on the upstream, nothing stored.

api.oanor.com/optionschain-api

Live on-chain options and perpetuals data from Aevo, a leading decentralized derivatives exchange — no key, nothing stored. This is the on-chain options view: the full option chain with strikes, expiries, mark prices, implied volatility and the option greeks, plus live perpetual stats, distinct from the Deribit-based and other derivatives APIs in the catalogue — Aevo is an on-chain options and perps venue. The options endpoint returns the option chain for an asset — calls and puts by strike and expiry, each with mark and index price, implied volatility and the greeks (delta, gamma, theta, vega, rho). The stats endpoint returns the live perpetual statistics for an asset: open interest, index and mark price, the 24h change, funding and 24h volume. The expiries endpoint lists the available option expiries with their strike range so you can navigate the chain. Build options dashboards, volatility surfaces, greeks calculators and derivatives-trading tools on top of real on-chain Aevo data. Options are listed for BTC, ETH and HYPE; filter by type=call|put and expiry=YYYY-MM-DD, and greeks and IV come straight from the venue.

api.oanor.com/aevo-api

Live on-chain crypto options trading volume — the decentralized options market where protocols like Derive, Aevo, Premia, Ithaca and Rysk let users trade calls and puts on-chain, powered by the public DeFiLlama options feed, no key, nothing stored. This is distinct from a centralized options exchange order book: it measures the volume actually flowing through on-chain options venues. The overview endpoint returns the whole on-chain options market's volume over the last 24 hours, 7 days and 30 days plus every protocol ranked by what it trades, measured as notional (contract face value, the default) or premium (what option buyers actually paid). The protocol endpoint returns a single protocol's notional and premium volume side by side across 24h / 7d / 30d / all-time. The chain endpoint returns the options volume and top venues for one blockchain. See which on-chain options venue leads and how DeFi options flow shifts. This is the on-chain options-volume cut of DeFi — distinct from the centralized options-chain, spot-DEX, swap-aggregator, fees and perpetual APIs in the catalogue.

api.oanor.com/optionsdex-api

Live options-strategy payoff and analysis that options traders run before placing a trade — computed on demand, no key, nothing cached. Get the profit-at-expiry curve of any multi-leg position (calls, puts and stock) plus the net premium, maximum profit, maximum loss and breakeven points; pull just those headline numbers; or build a named strategy (straddle, strangle, bull/bear spread, covered call, protective put, iron condor) from friendly parameters and analyse it. Works for equity, FX or crypto options. A multi-leg payoff engine, distinct from single-option pricing tools: it turns a combination of legs into the profit profile, breakevens and risk a trader acts on.

api.oanor.com/optionstrategy-api

Live crypto realized (historical) volatility as an API, computed from Binance daily candles. For any coin it returns the annualized realized volatility over the 7-, 30- and 90-day windows — the standard deviation of daily log returns, annualized over 365 days — the average true range as a percent of price, the current price, and a plain-language regime label (low, normal, high or extreme). It can also rank a basket of major coins by their 30-day volatility, so you can see at a glance which assets are calm and which are wild. The volatility layer that options pricing, position sizing and risk dashboards need. Live, no key, no cache. Distinct from price, OHLC and drawdown APIs — this is the realized-volatility analytic.

api.oanor.com/cryptovolatility-api

Live crypto options-market data as an API, streamed from the Deribit public exchange. For BTC, ETH, SOL and XRP: the full option chain with each contract's mark price, mark implied volatility, open interest, 24-hour volume and underlying price; the nearest at-the-money call and put for a one-call read on how the market prices risk; the spot index price; the historical realised-volatility series with stats; and a market-wide summary of open interest, volume and expiries. Built for options, volatility, quant and trading apps. Distinct from spot-price, funding and on-chain APIs — this is the live options surface.

api.oanor.com/cryptooptions-api

Black-Scholes-Merton European option pricing as an API, computed locally and deterministically. The price endpoint computes the fair value of a European call and put from the spot price, strike, annualized risk-free rate, annualized volatility, time to expiry in years and an optional continuous dividend yield, using Call = S·e^(−qT)·N(d1) − K·e^(−rT)·N(d2) and the put-call-parity put, with d1 = [ln(S/K) + (r − q + σ²/2)·T]/(σ√T) and d2 = d1 − σ√T and a high-accuracy standard-normal CDF — an at-the-money option on a 100 spot with a 5 % rate, 20 % volatility and one year to expiry is worth about 10.45 for the call and 5.57 for the put. The greeks endpoint returns the full risk sensitivities for both call and put: delta (∂V/∂S), gamma (∂²V/∂S²), vega (∂V/∂σ, per 1.00 and per 1 % point), theta (∂V/∂t, per year and per calendar day) and rho (∂V/∂r). Rates, dividend yield and volatility are annualized and time is in years, continuous compounding. Everything is computed locally and deterministically, so it is instant and private. Ideal for fintech, trading, quant, portfolio-risk, derivatives and finance-education app developers, option-pricing and Greeks dashboards, and risk engines. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 2 endpoints. This is the European Black-Scholes model; for American-style early exercise or implied volatility solving it returns the closed-form European result only.

api.oanor.com/blackscholes-api

Black-Scholes option-pricing maths as an API, computed locally and deterministically. The black-scholes endpoint prices European call and put options from the spot price, strike, time to expiry, risk-free rate, volatility and an optional dividend yield — Call = S·e^(−qT)·Φ(d1) − K·e^(−rT)·Φ(d2) — returning both prices, the intermediate d1 and d2, and the put-call parity figure. The greeks endpoint computes the full set of option sensitivities for the call and the put: delta, gamma, theta (per year and per day), vega and rho, the quantities traders use to hedge and manage risk. The implied-volatility endpoint inverts the model, solving by bisection for the volatility that reproduces a given option market price. Rates, volatilities and dividend yields are decimals (0.05 = 5 %) and time to expiry is in years. Everything is computed locally and deterministically, so it is instant and private. Ideal for fintech, trading, quantitative-finance and derivatives app developers, options analytics and risk tools, and finance education. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 endpoints. This is options pricing; for NPV and IRR use an NPV API and for CAGR and real returns an investment API.

api.oanor.com/options-api