{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "https://api-evangelist.github.io/deribit/json-schema/expirations.json", "title": "Expirations", "properties": { "currency": { "$ref": "#/components/schemas/currency_with_any_and_grouped" }, "kind": { "$ref": "#/components/schemas/kind_future_or_option_with_any" } }, "type": "object", "description": "A map where each key is valid currency (e.g. btc, eth, usdc), and the value is a list of expirations or a map where each key is a valid kind (future or options) and value is a list of expirations from every instrument" }