$ARB short-term weakness
【What happened】ARB 15-minute decline -1.68%, now at 0.1643; volume is 0.3 times the baseline
【Attribution】15-minute decline: 1.68%; contract open interest change over 15 minutes: -1.26%
【Key point】Watch for confirmation signals from subsequent volume and direction
【Risk】If volume quickly falls back, short-term momentum may weaken
【What happened】ARB 15-minute decline -1.68%, now at 0.1643; volume is 0.3 times the baseline
【Attribution】15-minute decline: 1.68%; contract open interest change over 15 minutes: -1.26%
【Key point】Watch for confirmation signals from subsequent volume and direction
【Risk】If volume quickly falls back, short-term momentum may weaken
