The size of the up-moves against the size of the down-moves, smoothed over about two weeks, on a 0–100 scale: near 70 the gains have far outweighed the losses, near 30 the other way round — it does not count how many days rose. The bar views show what price did in the 30 days after each crossing.
46.0RSI, 14 days on Oct-22 2026, the last day in this build, measured and published by askthetape.com.
For everyone
Take how much price rose on the up-days and how much it fell on the down-days, each smoothed over about two weeks (Wilder's 14-day average), and turn the ratio into a number from 0 to 100. Near 70 the rises have outweighed the falls by far; near 30, the reverse — a few big days can do that on their own. Chart people call it RSI and treat 70 and 30 as lines. We list every day it crossed one of them since 2010 and what price did in the next 30 days, so the line can be checked against the tape. Crossings younger than 30 days are hollow and not scored yet.
For the pro
leg
Mt.Gox daily closes Jul 2010 → Apr 2013, then Bitstamp daily closes · Wilder's RSI, 14 days · event = close crosses 70 upward or 30 downward · score = close 30 days later / event close − 1
cadence
daily
since
2010-07-17 · the first reading needs 14 closes to fill, so RSI starts on 2010-07-31
🩸 the weekly and monthly lines, and what they are worth
weekly RSI here = Wilder's RSI-14 on ISO-week closes, the running week excluded, first point 2010-10-24; monthly = the same formula on calendar-month closes, the running month excluded, first point 2011-09. 14 months need 14 closes: the monthly line starts in 2011-09 and carries 181 points in this build, so it has seen few full cycles — a «monthly RSI above 70» has happened a countable number of times and nothing on this page turns that into a rule. No crossing events are scored for the weekly or the monthly line at all: with 835 weekly and 181 monthly points, an event table would look like a statistic and would not be one. The daily line, its 70/30 crossings and the card are untouched.
this build
data to Oct-22 2026
policy
no backfill · read it here · export: whole history
The chart itself is drawn in the browser: turn JavaScript on to hover a day, pick a window and draw your line. The numbers above come from the last build, Oct-23 2026 21:59Z.
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