$ARIA / $GWEI：spread arbitrage hidden kill. ARIA rebounded violently from 0.0292 to a high of 0.0406 and then fell back to 0.0381, with a volatility of 39.0%, trading volume of 11.6M; while GWEI with a trading volume of 32.3M surged from 0.1224 to 0.1754, with a volatility of 43.3%, currently at 0.1690. GWEI's momentum is stronger but approaching the intraday high of 0.1754, facing selling pressure; ARIA if it stabilizes above 0.0381, has room for a rebound. Suggestion: ARIA at current price 0.0381 can be lightly long, stop loss at 0.0345, target 0.0420; GWEI at current price 0.1690 is not recommended to chase high, wait for a pullback to 0.1550 before entering. Data does not lie, volume indicates direction. Follow me, stay tuned to the rhythm of strength and weakness transition.$