
Bollinger Bands Settings: Is 20, 2 Right for 5-Min Charts?
Everyone runs Bollinger Bands at 20 and 2. Its inventor calls them defaults, and a simulation shows what 10 and 1.5 does to how often price pokes out.

Everyone runs Bollinger Bands at 20 and 2. Its inventor calls them defaults, and a simulation shows what 10 and 1.5 does to how often price pokes out.

Your short got stopped out and the chart high sits below your stop. The chart shows the bid, the stop watches the ask, and the spread is the gap.

Same pair, same timeframe, two different RSI readings. Smoothing method and warm-up history explain it, and the gap can be several points.

The alert fired, your server saw nothing. TradingView's own docs list the hard limits that kill webhooks, including a retry rule that can double your order.

Europe changes clocks on Oct 25, the US on Nov 1. In between, Wall Street opens at 14:30 Frankfurt time, with FOMC and the ECB both inside the gap.

TradingView's own docs set the real Bar Replay data window by plan, and continuous futures don't get the unlimited version even on Ultimate.

TradingView's own migration guide confirms it: integer division and a flipped margin default change a script's numbers with zero compile errors.

TradingView's own support docs explain the confirmation logic behind alert delay, and why the webhook relay is rarely where the real bottleneck hides.

Pine Script can now pull real footprint data with request.footprint(). Here's what it returns, what it costs, and why forex traders get na.

CME rolls on the Monday before the third Friday. Your chart switches on a different rule entirely. The gap between those two dates is where levels break.

Anchored VWAP has exactly one real input. Pick it after the move and you have built a hindsight machine. Here is how to pick it by rule instead.

Your equity curve looks perfect because a broker emulator guessed the inside of every candle. The documented assumptions that inflate a backtest.

AI is genuinely useful for traders in narrow, specific ways and dangerous in others. An honest mid-decade audit of what the current generation of models actually does, where it fails, and how to use it without being used by it.