Yes bid / ask
20¢ / 25¢
spread 4¢
24h volume
409
24.8k lifetime
Open interest
10.0k
top of book 500 × 6.13
Closes
in 283mo
Jan 1, 2050 · 4:59 AM UTC
YES price Close per candle with bid/ask band; volume below. Times in UTC.
15¢ 20¢ 25¢ 30¢ vol Aug 22 Sep 21 Resolution rules Verbatim from the venue. The analyst must quote these, never paraphrase.
If humans have a self-sufficient colony of at least 10 people reside on Mars for at least one Earth year before Jan 1, 2050, then the market resolves to Yes.
Raw payload Exactly what the API returned for this market.
Show JSON market 39 can_close_early true
close_time 2050-01-01T04:59:00Z
created_time 2025-06-27T16:35:35.36594Z
early_close_condition This market will close and expire early if the event occurs.
Order book Top of book, both sides expressed as YES prices.
Yes ask (no bid) Size Yes
ask 4.44 66¢ ask 200 59¢ ask 500 58¢ ask 62 56¢ ask 4 54¢ ask 500 28¢ ask 3 27¢ ask 6.13 25¢ spread 4¢ mid 22¢
bid 500 20¢ bid 386 19¢ bid 452 18¢ bid 90 17¢ bid 8.97 16¢ bid 3 16¢ bid 1,000 16¢ bid 203 15¢ Yes bid (no ask) Size Yes
opens Jun 27, 2025 · 8:45 PM UTC closes Jan 1, 2050 · 4:59 AM UTC · may close early expires Jan 1, 2050 · 3:00 PM UTC category Science and Technology event independent outcomes Recent trades Most recent first. Price is the YES side.
Time Yes No Size Taker 54m ago 21¢ 79¢ 3 no 4h ago 23¢ 77¢ 404 yes 4h ago 22¢ 78¢ 2 yes 1d ago 25¢ 76¢ 3.87 yes 2d ago 20¢ 80¢ 2 no 2d ago 22¢ 78¢ 3.01 yes 2d ago 23¢ 77¢ 119 yes 2d ago 23¢ 77¢ 24 yes 2d ago 22¢ 78¢ 5 yes 2d ago 23¢ 77¢ 53 yes 2d ago 22¢ 78¢ 2 yes 2d ago 19¢ 81¢ 2 no 2d ago 22¢ 78¢ 2 yes 2d ago 19¢ 81¢ 2 no 2d ago 22¢ 78¢ 96 yes 2d ago 21¢ 79¢ 24 yes 2d ago 21¢ 79¢ 34 yes 3d ago 19¢ 81¢ 1 no 3d ago 19¢ 81¢ 3 no 4d ago 19¢ 81¢ 15 no 5d ago 19¢ 81¢ 1 no 7d ago 19¢ 81¢ 0.6 no 7d ago 19¢ 81¢ 0.9 no 8d ago 19¢ 81¢ 0.67 no 10d ago 21¢ 79¢ 12 yes
event_ticker
KXCOLONIZEMARS-50
expected_expiration_time 2050-01-01T15:00:00Z
expiration_time 2050-01-08T15:00:00Z
latest_expiration_time 2050-01-08T15:00:00Z
notional_value_dollars 1.0000
open_time 2025-06-27T20:45:00Z
previous_price_dollars 0.2450
previous_yes_ask_dollars 0.2450
previous_yes_bid_dollars 0.1900
price_level_structure deci_cent
price_ranges 1 [0] 3 end 1.0000
start 0.0000
step 0.0010
rules_primary If humans have a self-sufficient colony of at least 10 people reside on Mars for at least one Earth year before Jan 1, 2050, then the market resolves to Yes.
settlement_timer_seconds 1800
title Will humans colonize Mars before 2050?
updated_time 2026-04-09T10:33:10.234054Z