Subject: File No. SR-NYSEArca-2021-90
From: Sam Madden
Affiliation:

May. 06, 2022

Hello SEC, 


I would like to advocate for GBTC to convert to an ETF. An ETF would mean more accurate price tracking of Bitcoin, and would remove discounts and premiums to the GBTC shares. 


I hope you will listen to the GBTC and investor community and work with Grayscale to convert GBTC into an ETF. 


Thanks, 
Sam