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 5000-5199.99, 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
5000
cap
5199.99
Recent trades
Most recent first. Price is the YES side.
Time
Yes
No
Size
Taker
6d ago
1¢
99¢
248
yes
6d ago
Raw payload
Exactly what the API returned for this market.
Show JSON
market42
can_close_earlytrue
cap_strike5199.99
close_time2026-12-31T21:00:00Z
created_time2025-12-22T20:31:56.759431Z
event_ticker
Order book
Top of book, both sides expressed as YES prices.
Yes ask (no bid)SizeYes
ask1,78530¢
ask1,56220¢
ask2,00016¢
ask1,38810¢
ask1,3155¢
ask21.3k3¢
ask922¢
ask77.7k1¢
spread–mid –
Yes bid (no ask)SizeYes
1¢
99¢
239
yes
2mo ago
1¢
99¢
1,000
yes
2mo ago
1¢
99¢
761
yes
2mo ago
1¢
99¢
1,044
yes
2mo ago
1¢
99¢
48
yes
2mo ago
1¢
99¢
95
yes
2mo ago
1¢
99¢
94
yes
2mo ago
1¢
99¢
219
yes
2mo ago
1¢
99¢
1,000
yes
2mo ago
1¢
99¢
1,000
yes
2mo ago
2¢
98¢
117
yes
KXINXY-26DEC31H1600
exchange_index0
expected_expiration_time2026-12-31T21:00:00Z
expiration_time2027-01-08T00:00:00Z
expiration_value
floor_strike5000
last_price_dollars0.0100
latest_expiration_time2027-01-08T00:00:00Z
liquidity_dollars0.0000
market_typebinary
no_ask_dollars1.0000
no_bid_dollars0.9900
no_sub_title5,000 to 5,199.99
notional_value_dollars1.0000
open_interest_fp115779.25
open_time2025-12-23T15:00:00Z
previous_price_dollars0.0100
previous_yes_ask_dollars0.0100
previous_yes_bid_dollars0.0000
price_level_structurelinear_cent
price_ranges1
[0]3
end1.0000
start0.0000
step0.0100
result
rules_primaryIf the S&P 500 index value on Dec 31, 2026 at 4pm EST is between 5000-5199.99, then the market resolves to Yes.
rules_secondaryThe 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.
settlement_timer_seconds60
statusactive
strike_typebetween
subtitle5,000 to 5,199.99
tickerKXINXY-26DEC31H1600-B5100
titleWill the S&P 500 be between 5000 and 5199.99 on Dec 31, 2026 at 4pm EST?