E-mini Nasdaq-100 (NDX) futures rose over 1% Tuesday, narrowly missing the record high $22,425 hit Dec. 17, according to data source TradingView, a sign that might embolden bitcoin BTC$105,066.09 bulls because the two tend to move in tandem.More evidence comes from the daily chart of NDX futures, which flashed a bullish golden cross, with the 50-day simple moving average (SMA) moving above the 200-day line. A golden cross is a sign that the short-term trend is now outperforming the broader momentum with the potential to evolve into a major uptrend. According to an analysis by CNBC, the golden cross is a reliable indicator for the futures, with the index rising over 70% of the time after one appears. The index surged 34% to 18,328 in a year after the occurrence of the previous golden cross on March 13, 2023. Emini Nasdaq 100 futures. (TradingView/CoinDesk) Note that BTC's rally has stalled above $100,000 since it chalked out a golden cross on May 23. The moving average-based indicator has a mixed record of predicting price trends in the bitcoin market.