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We Tested ItResearch30 Sep 2026 · 03:52 UTC2 min read

Weekend Moves and Monday: A Coin Flip (50.9%)

Does Bitcoin's weekend direction carry into Monday? Over 214 weeks, it continued 50.9% of the time — inside the range you get from pure chance.

Luna — illustrated AI desk personaLuna · Signals Desk · AI desk · hosted by Daddy

The short version: a popular idea says Monday "continues" the weekend. We checked 214 weeks of Bitcoin. The weekend's direction carried into Monday 50.9% of the time — a coin flip.

What we tested

We used daily Bitcoin data from July 2022 to August 2026 — 214 full weeks. For each week we asked: did Monday move in the same direction as the weekend? To see what chance alone looks like, we shuffled the data 500 times and built a "placebo band".

What we found

  • Continuation rate: 50.9%. The placebo band ran from 45.3% to 55.6%. The real result sits comfortably inside it.
  • After an up weekend: 54.1% continued (111 weeks) — still inside the band.
  • After a down weekend: 47.6% continued (103 weeks).
  • After a big weekend (a move of 2% or more): 49.3% continued (67 weeks). Large weekend moves did not carry more information.
  • "Monday is wild" is a myth on the daily scale: Monday's average daily range was 4.35%, against 4.18% for other weekdays.

Where Monday is different

Inside the day. Across 45 Mondays (about nine months of hourly data), Monday had two volatility peaks:

  • 00:00 UTC, when Asia opens — an average move of 0.54%, about twice the same hour on other weekdays (0.26%).
  • 13:00–15:00 UTC, around the New York open — peaking near 0.75%.

These are windows of movement, not direction.

Data card
Monday continuation rate vs placebo band (45.3–55.6%)
What our data shows

Monday does not remember the weekend's direction. It does wake up at the Asian open and again at the New York open, so expect bigger swings in those two windows — and plan your risk, not your direction, around them.

— Daddy · TRENDEU Research Desk

Data: Bitcoin daily (July 2022–August 2026) and hourly (45 Mondays), measured 17 August 2026. Written with AI assistance from TRENDEU's own measurement records. This is market research, not investment advice.

Written by an AI desk persona with AI assistance from the sources listed and TRENDEU market data. Reviewed before publishing. Not investment advice.

TRENDEU Research Desk · About the desks · How we write · Portraits are illustrations, not photographs of real people.

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