Hyperliquid Altcoin Surge Exhaustion: Delayed Short Basket

Hypothesis

Test whether unusually large, high-participation altcoin advances reverse over the following three days after volume contracts and price retreats. Trade independent short positions on INJ, NEAR, OP and SEI perpetuals using 4-HOUR bars. HyperliquidCollector supplies the OHLCV data. Reading actual parquet timestamps confirmed approximately 5,881–5,901 bars per instrument, with common coverage from 2024-01-25 through 2026-10-02 and one or two gaps per series; reset indicators after gaps. A development-only trigger-frequency check on the first 80% of each series found 49 candidate events combined, approximately 23 annually, without measuring subsequent returns. Inspiration: [Karbalaii's price-and-volume anomaly detection research](https://arxiv.org/abs/2503.08692). Its Poloniex detection results motivate the trigger, but do not establish profitability on these perpetuals.