BTC RSI (14)
LockedWilder's Relative Strength Index — 0 to 100 oscillator with 30 / 70 thresholds.
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What this chart shows
Methodology
RSI_t = 100 − 100 / (1 + RS_t), where RS_t = avgGain / avgLoss over a 14-day window using Wilder's smoothing (after the seed, avg = ((prev × 13) + cur) / 14 — equivalent to an EMA with α = 1/14). Reads above 70 = overbought, below 30 = oversold. On daily BTC this is best used for divergences and regime context, not raw cross signals.