S: Period-over-Period Returns
Sonic Period-over-Period Returns: daily data through 10 Nov 2026.
S price return over several look-back periods.
Why use it. Compares short and long-term momentum. How to read it. Lines above zero mean the price is higher than that many days ago.
Calculation. 100 x (close / close n days earlier - 1), from daily closes, for n = 1, 7, 30, 90 and 365 days (fixed day counts, not calendar months). The open day's values use its latest hourly close and are labelled partial until the day ends. Published per UTC day. CryptoKeyhole's own hourly S/USD index from public exchange candles, from 15 January 2025. In the last 30 days it drew on the markets of Binance, Bitstamp, Bybit, Coinbase, Kraken, KuCoin and OKX.