Yea, the crypto options trading scene is really growing! Saw this cumulative notional BTC transacted options chart on Sparrow's telegram group - https://t.me/SparrowExchange, an options trading platform launched 5 months ago. Great growth for a new platform!
This is not the way to present data. You shouldn't show cumulative volume data. You should show volume / day or week data.
So SPARROW based in Singapore ( but does not seems to be regulated by MAS) and https://www.ledgerx.com/ seems to be CFTC regulated in USA On both the spread for options looks really bad .. lets see when CME gets in