标准普尔500指数（ SPX ）在9月21日上涨还是下跌？

Finance/Up or Down/Indicies

16 days ago

daily

结束日期Sep 21, 2026

流动性$0

交易量$48.7K

OI$385.1

规则

Ref

AI

$48.7K total volume. Resolves Sep 21, 2026. Odds via Polymarket, aggregated by Future.