There has been an increase in bitcoin call option buying at strike prices above $60,000 for expiries from April through to December of this year, according to a report.

"There has been massive bitcoin call option buying. This week alone, we saw close to $10 million spent on premiums for $60,000 and $80,000 strikes expiring from April to December," QCP Capital's Options Vol-cast report said on Thursday.

This observation concurs with metrics from the Deribit cryptocurrency derivatives exchange. There is a significant concentration of open bitcoin call options at strike prices of $65,000 and above for expiries from April through to December on Deribit. Notably, for bitcoin call options for the December end-of-year expiry, there is a focused cluster at a strike price of $100,000.