So which TrendSpider alternative is best?
None of them — for technical traders who use scanning, auto-analysis and backtesting daily. With code SET25dropping TrendSpider Elite to $40.50/mo, it's materially cheaper than TradingView Premium and roughly one-third the cost of Trade Ideas Premium for a more complete feature set.
TradingView only beats TrendSpider if you live in Pine Script or trade primarily crypto. Trade Ideas beats it for active day traders who specifically want Holly's AI feed. thinkorswimis unbeatable if you're already on Schwab and trade options. For everyone else, TrendSpider is the better all-in-one tool.