If there is a data source,
You can make a market

• Step 1

  Create an option

  Pick a token, write an over/ over, set a price
• Step 2

  Connect a data source

  You can your counter party negotiate on the data source(s) to be used to measure the result
• Step 3

  Sign the contract

  The arbitrum blockchain escrows and settles the option trustlessly based on the agreed data