IDLE
BTC INDEX
NEXT SETTLE23h 26m
INSTRUMENTS0
TICKERS0
UPDATED

Call Ratio Spread 1×3

CSR13CSR13-E1-Xlow_Xhigh

Buy 1 lower call, sell 3 higher calls.

More aggressive ratio. Larger credit but greater unbounded upside risk.

Pick an expiry and 2 strikes to build the combo.