Miners are hoarding most of the Bitcoin they mine ahead of the halving, showing they expect a much higher price after the event.
Source: https://cointelegraph.com/news/btc-miners-expect-bitcoin-price-to-surpass-12k-after-reward-halving
BTC Miners Expect Bitcoin Price to Surpass $12K After Reward Halving
May 7, 2020
CoinTelegraph