Mayer Multiple
Is price stretched against its own trend?
At $82,002, BTC trades +13% versus its 200-day average ($72,497). Readings above 2.4× have historically marked expensive zones, below 0.8× accumulation zones.
History
Off daily closes through 2026-10-18 (btc-history.json, weekly automated refresh); the current reading stitches the live spot when available.
Why we track it, how it's computed, and related reading
Why we track it · A 200-day anchor is the cheapest stretch detector we know — one division, no tuning. The other side · A habit, not a law. It has been early, late, and wrong before; extremes mark position, never timing.
The Mayer Multiple is Bitcoin's price divided by its 200-day moving average — a simple gauge of how stretched price is from its long trend.
Trace this number
| Latest close | $82,002 | as of 2026-10-18 |
| 200-day SMA | $72,497 | as of 2026-04-02→2026-10-18 |
| close ÷ 200-day SMA | = 1.13× | |
The arithmetic is auditable; whether it means anything is the “other side” above. Levels are the weekly file’s completed closes — the reading stitches the live spot when available, so an intraday value can differ.
How it's computed
Take the daily close and divide it by the 200-day simple moving average of the close (Computed off daily closes through the latest row in btc-history.json — a price-only series refreshed weekly by an automated, validation-gated pipeline, so the tail can trail the live market by up to a week between refreshes. The current reading stitches the live spot when available. The series begins once 200 days of history exist.)
Evidence basis · full daily history since 2010 — but the four bands are eyeballed, not fit
Band guide
Read it alongside
- 200-Week MA Multiple1.23×Same idea on a slower clock: price against its 200-week average instead of its 200-day.
- Bull Market Support Band1.08×Another moving-average read, built from weekly closes (20-week SMA and 21-week EMA).
- Pi-Cycle Top48%Also built from moving averages (111-day against 2× the 350-day), but fit to past tops.
From the intel desk
Dispatches from the desks that watch this instrument — editorial context, not signals.