Ethereum (ETH) options traders are leaning increasingly bullish across both medium- and short-term horizons, as rising open interest and call-heavy positioning point to stronger risk appetite despite persistent demand for downside protection. According to CoinGlass data as of Wednesday 01:50 UTC, total Ethereum options 'open interest' (OI) stood at $4.63049 billion, up 4.20% from $4.44369 billion a day earlier.