Riot Platforms is trading 10.23% down at $13.91 on October 16, 2026, amid weakness across bitcoin miners and broader risk-off pressure. - No clear Riot-specific announcement surfaced; mining ETF WGMI is down 2%, with index-rule concerns and Cipher Digital’s convertible-note sale also cited. - Bitcoin is down 1.00% since the prior close and Ethereum 1.12%, far less than Riot Platforms’ decline. - Hotter inflation and concerns about debt-financed AI infrastructure are also weighing on risk assets.