price_options_live
For “what would it cost to hedge this, right now”.
Every leg is a real listed contract, named in the answer with its mark, its
bid and its ask.
What it answers
The mark is not a fill
Deribit’s mark sits between a bid and an ask, and both are shown. A real fill is at one of those.The nearest listed contract, named
Deribit lists the expiries and strikes it lists. Asking for 365 days gets whatever is nearest. 285 days in the example above, and the answer names the instrument, so the substitution is visible rather than hidden inside a number.A quote is denominated in the underlying
Deribit prices an option as a fraction of the underlying: a mark of0.16362 on
ETH means 0.16362 ETH, not sixteen cents. The tool converts it; anything reading
the raw API must too, or protection looks three orders of magnitude cheaper than
it is.