Kalshi files to launch perpetual futures tied to US stock index, copper

AI Summary Kalshi has filed with the Commodity Futures Trading Commission to offer perps tied to the MerQube US Large Cap Index and copper. fulltext: 128 chars | fulltext source: rss-fallback | summary method: extractive Original: https://www.theblock.co/news/business/2026-08-18-kalshi-files-perps-equity-index-copper-412176 Source: The Block