September 18, 2026
Most price-focused commentary asks one question: what are the odds? The more interesting question, at least for anyone building a watchlist, is how hard is that price working. A market where daily volume is a rounding error against its lifetime pool behaves very differently from one that churns several times its own posted depth in a single session.
So for today's polymarket analysis — data observed on September 18, 2026 — I'm ignoring the headline percentages for a moment and ranking three books by turnover instead: 24-hour volume divided by resting liquidity. It's a crude ratio, but it separates the markets that are genuinely being repriced from the ones that are just large.
Three books, three very different profiles: