One Desk Says Bitcoin's Golden Cross Landed, Two Put It on Friday

Bitcoin's most-watched moving-average signal either arrived on Tuesday morning or arrives on Friday, depending on which desk is doing the measuring. CoinDesk published at 05:56 UTC saying the golden cross is here. Two other outlets, writing the same day, put confirmation on 11 September. The gap is not a rounding error. One is reading simple averages and the others exponential ones, and bitcoin was under $79,000 while the argument ran.
Simple against exponential
A golden cross happens when a short-term average price rises above a long-term one, conventionally the 50-day above the 200-day. CoinDesk defines it on simple moving averages, which weight every day in the window equally, and treats Tuesday's reading as the crossing. Cryptonomist and Crypto Briefing both define it on exponential moving averages, which weight recent days more heavily, and both give 11 September as the projected confirmation. Neither side mentions the other's method. We could not establish which reading supersedes which. CoinDesk itself trailed the same signal as coming on 3 September, five days before calling it done.
The record behind the signal
All three accounts agree the history is thin. Twelve golden crosses have printed since 2012 and only three of them held for a full year. The average three-month gain that follows one is put at 24.9% everywhere, though not over the same sample. CoinDesk attaches the figure to nine instances with three months of data behind them; the other two attach it to all twelve. That is a real difference in denominator and nobody flags it.
The signal has produced "premature bull traps three times as often as it has sustained multi-year rallies," CoinDesk wrote.
Crypto Briefing dates the last three signals. September 2021 was followed by a 50% rally and October 2023 by one of 45%. The October 2024 cross came before a 60% run. Cryptonomist carries the same three percentages without dating them. Both outlets then multiply the 24.9% average by the current price and arrive at $99,000 to $100,000. That arithmetic is theirs, and no analyst is named behind it.
The price while the argument runs
Bitcoin has been under $80,000 for a fortnight. CoinDesk's market wrap at 04:40 UTC had it at $78,800, down more than 1% on the day; its golden-cross piece 76 minutes later had $78,650. Blockonomi, running the same wrap, printed about $78,400 for that session, and the two figures do not reconcile. Cryptonomist and Crypto Briefing both describe a $79,000 to $80,000 band on the same morning. Ether sat just under $2,482. Zcash led the losses at about $1,125, down nearly 5% on the day and still up a third on the week after clearing $1,200 with futures open interest past $2 billion. Solana was just above $103.
Friday does the deciding
Money kept going in while the price sat still. US spot bitcoin ETFs took $3.8 billion over three weeks on Cointelegraph's tally from Saturday, their strongest such stretch of the year. Crypto Briefing and Cryptonomist both put the most recent week near $987 million, against CoinDesk's about $1 billion. Rounding covers most of that gap. Traders are pricing roughly 60% odds of a quarter-point increase at the Federal Reserve's meeting on 16 September, on CME FedWatch, after August payrolls came in at 162,000. August CPI lands on Friday, the same day two of the three outlets expect the cross to confirm. Whichever average ends up doing the measuring, it will be measuring a price with an inflation print in it.
Read also: Bitcoin Holds $78,000 as September Hike Odds Stall Below 60%