Why bitcoin’s ‘500-day rule’ faces its biggest test yet

The so-called ‘500-day rule’ says buying BTC roughly 500 days before a bitcoin halving and selling it about 500 days after would have produced profits in prior cycles

OttoTrader publishedAug 5, 2026, 9:38 AM

Original source timeAug 5, 2026, 9:06 AM

UpdatedAug 5, 2026, 9:38 AM

Source publicationCoinDesk

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Brief context

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What changed

The setup

The so-called ‘500-day rule’ says buying BTC roughly 500 days before a bitcoin halving and selling it about 500 days after would have produced profits in prior cycles Why bitcoin’s ‘500-day rule’ faces its biggest test yet

Why it matters

Trader relevance

Market context around BTC can change volatility, liquidity, or sentiment. The concrete detail to watch is the so-called ‘500-day rule’ says buying BTC roughly 500 days before a bitcoin halving and selling it about 500 days after would have produced profits in prior cycles

Trading lens

How to use it

Use this as watchful context from coindesk.com. Watch whether why bitcoin’s ‘500-day rule’ faces its biggest test yet confirms momentum, invalidates active bias, or changes timing.

Assets

BTC

Source: CoinDesk on coindesk.com.

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