The assessment is "likely_true" based on strong, albeit not perfectly consistent, evidence. The core components of the statement are the source (Polymarket), the event (December Fed rate decision), the probability (68%), and the outcome (no change).Supporting evidence is found across multiple sources. The Polymarket homepage confirms the existence of a prediction market for the "Fed decision in December?", establishing that the platform is a valid source for this data. A news article from ainvest.com directly cites Polymarket data showing a 68% probability for the December Fed meeting, confirming the platform, the event, and the specific percentage. Furthermore, a separate AOL article reports that investors saw a roughly 68% chance of the Fed holding rates steady (i.e., no change), which corroborates both the probability and the outcome.The primary conflict comes from the ainvest.com article, which, while confirming the 68% figure from Polymarket, states it was for a rate *cut* rather than *no change*. However, this is likely a reporting error. The AOL article and another market report from Trading Economics (which implies a "hold" probability in the 60s) both align with the "no change" outcome being the majority probability. It is more plausible that the lower-authority ainvest.com source made an error in describing the outcome than for the user's statement to be incorrect, especially when the 68% figure for "no change" is corroborated elsewhere.Other sources citing the CME FedWatch Tool show different probabilities (~50%), but this is not a direct contradiction as the user's statement is specifically about data from Polymarket, not CME. The weight of the evidence strongly suggests that a 68% probability for no change on Polymarket was indeed reported, with a single, likely erroneous, source providing the only direct contradiction.