Bitcoin suffered a sudden and deep drop in November, losing nearly a quarter of its value and wiping out over $1 trillion across the crypto market. Related Reading: Bitcoin’s Sudden Volatility Jump Signals Options Could Be Calling The Shots—Analyst Whales Trim Positions Before Crash According to on-chain data from CryptoQuant, large holders played a central role. Wallets holding between 1,000–10,000 BTC pared back their stakes in the weeks leading up to the fall. Those big sellers took profits after the October rally, and in many cases selling was steady rather than panicked
source: https://www.newsbtc.com/news/bitcoin/bitcoin-faces-more-downside-after-recent-crash-data-shows/