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標準普爾500指數（ SPX ）在10月8日上漲還是下跌？
S&P 500 (SPX) Opens Up or Down on October 8?
24 小時成交量US$112
累積成交量US$112
流動性US$666
截止時間（臺北）2026年10月9日
機率走勢
同時比較 2 個選項 · 市場參考機率
此期間尚無可用的歷史行情目前機率仍可在上方選項中查看。
檢視各選項行情數據
結算規則
英文原文 · 尚未翻譯This market will resolve to "Up" if the official S&P 500 Index open price for S&P 500 (SPX) on October 8 is higher than the official S&P 500 Index closing price for SPX on the most recent prior trading day.
This market will resolve to "Down" if the official S&P 500 Index open price for S&P 500 (SPX) on October 8 is lower than the official S&P 500 Index closing price for SPX on the most recent prior trading day.
E.g., ordinarily, a market on Monday would refer to the previous Friday for its most recent closing price, unless that Friday were a market holiday, in which case it would refer to Thursday, or the next most recent trading day.
If the two prices are exactly equal, this market will resolve 50-50. Note that all figures will be rounded to the nearest cent using standard rounding.
If SPX does not trade at all during the regular session, the market will resolve 50-50.
If either of the relevant days are shortened (for example, due to a market holiday schedule), the official open/close price published by S&P 500 Index for that shortened session will still be used for resolution.
If the previous trading day has no official closing price (for example, due to a trading halt into the market close, system issue, delisting, or other disruption), the market will use the last valid on-exchange trade price of the regular session as the effective closing price.
The resolution source for this market is the Wall Street Journal, specifically the Open/Close values published by the WSJ under "Historical Prices".
US: https://www.wsj.com/market-data/stocks
EMEA: https://www.wsj.com/market-data/stocks/emea
ASIA: https://www.wsj.com/market-data/stocks/asia
官方結算資料來源在 Polymarket 查看完整市場事件背景
This market will resolve to "Up" if the official S&P 500 Index open price for S&P 500 (SPX) on October 8 is higher than the official S&P 500 Index closing price for SPX on the most recent prior trading day.
This market will resolve to "Down" if the official S&P 500 Index open price for S&P 500 (SPX) on October 8 is lower than the official S&P 500 Index closing price for SPX on the most recent prior trading day.
E.g., ordinarily, a market on Monday would refer to the previous Friday for its most recent closing price, unless that Friday were a market holiday, in which case it would refer to Thursday, or the next most recent trading day.
If the two prices are exactly equal, this market will resolve 50-50. Note that all figures will be rounded to the nearest cent using standard rounding.
If SPX does not trade at all during the regular session, the market will resolve 50-50.
If either of the relevant days are shortened (for example, due to a market holiday schedule), the official open/close price published by S&P 500 Index for that shortened session will still be used for resolution.
If the previous trading day has no official closing price (for example, due to a trading halt into the market close, system issue, delisting, or other disruption), the market will use the last valid on-exchange trade price of the regular session as the effective closing price.
The resolution source for this market is the Wall Street Journal, specifically the Open/Close values published by the WSJ under "Historical Prices".
US: https://www.wsj.com/market-data/stocks
EMEA: https://www.wsj.com/market-data/stocks/emea
ASIA: https://www.wsj.com/market-data/stocks/asia