According to @lookonchain, a Bitcoin OG currently holds more than $1.1B in aggregate short positions across BTC and ETH, with unrealized profit exceeding $27M amid the latest market decline, source: @lookonchain on X, Oct 10, 2025. @lookonchain reported the activity as an on-chain alert and asked whether insider information was involved, while providing no evidence beyond the disclosed position size and unrealized PnL, source: @lookonchain on X, Oct 10, 2025. The post indicates a single large entity is materially net short BTC and ETH, a factor traders often track when assessing directional flow and liquidity stress during drawdowns, source: @lookonchain on X, Oct 10, 2025. No exchange venues, liquidation thresholds, or hedge details were shared, so traders monitoring this whale may rely on subsequent updates from @lookonchain for changes in exposure, source: @lookonchain on X, Oct 10, 2025.