Kalshi Sports posted NFL Week 1 favorite probabilities on X on August 10: the Chargers at 80% against Arizona, the Lions at 75% against New Orleans, the Jaguars at 74% against Cleveland, and the Seahawks at 65%. A follow-up post on August 11 asked users about the smartest draft pick in NFL history and noted a tight race forming. Neither post included volume, open interest, or contract terms. The shares are routine market-data content with no news event attached.

Kalshi's percentage posts are visibility plays, not tradeable signals. The platform shares prices without volume, spread, or depth, so traders cannot judge whether a position of any size clears near the headline number. That opacity matters because Kalshi and Polymarket now face federal pressure from the CFTC's proposed Rule 40.11 framework and the Schiff-Curtis bill to ban sports event contracts outright. Regulators and institutional market makers demand proof of genuine liquidity, not marketing headlines. Kalshi's deeper credibility rests with markets like its $4 million Stephen Curry next-team contract, where demonstrated flow can attract serious participants. Routine odds posts without structural backing widen the perception gap between retail engagement and institutional trust. The platform that first publishes verified volume alongside price will set the transparency standard its competitors must match.