CoinMeta data: For the BTCUSDT perpetual contract, the proportion of active purchases in the last 4 complete hours was 49.87%, while the proportion of active sales was 50.13%, indicating a dominance of active selling. Compared to the same time frame snapshot from 24 hours ago, this figure has decreased by 1.2058 percentage points; however, compared to the snapshot from 7 days ago, it has increased by 1.6966 percentage points.