Two scenarios for BTC tomorrow: If it breaks above $83,911 on strong volume and holds on a retest, then watch for the uptrend to continue. If it pulls back, first watch today's low near $82,338, then see whether it can reclaim today's open at $82,618. A break below the low with no recovery would favor a defensive stance. These are reference levels to watch, not guaranteed support or stop-loss prices that guarantee execution. Basis: Binance UTC+8 daily candle, not yet closed, October 21 at 21:30; for scenario analysis only.