BacktestTesting a trading strategy on historical data to evaluate its past performance before risking real capital.Bag HolderA trader stuck holding a losing position, often hoping for a recovery that may not come.Bear FlagA bearish continuation pattern where price consolidates upward briefly before continuing the downtrend.Bear TrapA false breakdown below support that lures in short sellers before price reverses sharply higher.BearishExpecting prices to fall. A bearish trader anticipates downward movement.BidThe highest price a buyer is willing to pay for an asset.Bitcoin DominanceBitcoin's market cap as a percentage of total crypto market cap. Rising dominance means money flowing to BTC from alts.Blow-Off TopA sharp, steep rise in price on heavy volume followed by an equally sharp decline, marking a major top.BodyThe filled or hollow area of a candlestick between the open and close prices.Bollinger BandsVolatility bands placed above and below a moving average, using standard deviation to define bandwidth.Breakaway GapA gap that occurs at the start of a new trend, breaking out of a consolidation pattern.BreakevenThe price at which a trade has zero profit or loss, including fees.BreakoutWhen price moves beyond a defined support or resistance level with increased volume.BulkowskiThomas Bulkowski, known for statistically testing chart patterns and publishing performance rankings.Bull FlagA bullish continuation pattern where price consolidates downward briefly before continuing the uptrend.Bull TrapA false breakout above resistance that lures in buyers before price reverses sharply lower.BullishExpecting prices to rise. A bullish trader anticipates upward movement.