Will the S&P 500 be between 8400 and 8599.99 on Dec 31, 2026 at 4pm EST?

8,400 to 8,599.99activebinarybetween

Public page Open on kalshi.com

Yes bid / ask

3¢ / 4¢

spread 1¢

Last trade

4¢

–

No bid / ask

96¢ / 97¢

24h volume

192

203.2k lifetime

Open interest

163.4k

top of book 4,088 × 10.1k

Closes

in 3mo

Dec 31 · 9:00 PM UTC

YES price

Close per candle with bid/ask band; volume below. Times in UTC.

24h · 1m 7d · 1h 30d · 1h 90d · 1d

Not enough history to chart.

Order book

Top of book, both sides expressed as YES prices.

Order book unavailable.

Resolution rules

Verbatim from the venue. The analyst must quote these, never paraphrase.

If the S&P 500 index value on Dec 31, 2026 at 4pm EST is between 8400-8599.99, then the market resolves to Yes.

The market will close on December 31, 2026. The market will expire at the sooner of the first release of the data, or one week after December 31, 2026. Pursuant to the Kalshi Rulebook, the Exchange has modified the Source Agency and Underlying for indices markets. See the rules for more information.

opens: Dec 23, 2025 · 3:00 PM UTC
closes: Dec 31 · 9:00 PM UTC · may close early
expires: Dec 31 · 9:00 PM UTC
floor: 8400
cap: 8599.99

Recent trades

Most recent first. Price is the YES side.

Time	Yes	No	Size	Taker
13h ago	4¢	96¢	112	yes
13h ago

Raw payload

Exactly what the API returned for this market.

Show JSON

market42

can_close_earlytrue

cap_strike8599.99

close_time2026-12-31T21:00:00Z

created_time2025-12-22T20:31:56.759431Z

event_ticker