Jamie Dimon (JP Morgan CEO) & Bitcoin:

Jan. 23, 2014: 'Bitcoin is a terrible store of value'

Nov. 5, 2015: 'Bitcoin will not survive'

Jan. 20, 2016: 'Bitcoin is going nowhere'

Sept. 12, 2017: 'Bitcoin is a fraud'

Oct. 12, 2017: 'I am not going to talk about Bitcoin anymore'

Jan. 9, 2018: 'I regret making that comment'

Oct. 30, 2018: 'I don't really give a shit about Bitcoin'

Sept. 21, 2022: 'I am a major skeptic on crypto tokens, which you call currency, like Bitcoin.'

Dec. 6, 2023: 'I have always been deeply opposed to crypto, Bitcoin, etc. - if I were the government I'd close it down.'

Dec. 29, 2023: 'BlackRock, Valkyrie name authorized participants including JP Morgan for Bitcoin ETF' 

 https://am.jpmorgan.com/content/dam/jpm-am-aem/global/en/insights/market-insights/guide-to-the-markets/daily/mi-daily-gtm-us.pdf