Science and technology markets on Kalshi.
AI models, launches, company milestones and discoveries. Each settles on the source its rules name.
20 events
Chances and prices from Kalshi’s public order book at Oct 30, 2026, 4:02 PM ET. Updated daily.
Most traded.
Ranked by contracts traded. The figure on the right is the leading outcome’s chance, read from Kalshi’s prices.
Will the U.S. confirm that aliens exist?5 outcomessettles Jan 1, 202734.6M tradedBefore Jan 20, 202924%Which AI model will rank best at the end of 2026?8 outcomessettles Dec 31, 202616.2M tradedGemini (Google)56%Will WHO declare a hantavirus public health emergency in 2026?Yes or Nosettles Dec 31, 20262.0M tradedYes2%Which AI company will have the best coding model at the end of 2026?9 outcomessettles Dec 31, 20261.2M tradedAnthropic80%When will OpenAI achieve AGI?3 outcomessettles Jan 1, 2030877,387 tradedBefore 203066%US grants license for new nuclear reactor before 2027Yes or Nosettles Dec 31, 2026838,100 tradedYes4%How many launches will SpaceX have in 2026?10 outcomessettles Dec 31, 2026782,194 tradedAbove 14066%Which AI model will rank best at the end of October 2026?7 outcomessettles Oct 31, 2026771,724 tradedGemini (Google)>99%When will Anthropic release Mythos?3 outcomessettles Jan 1, 2027748,816 tradedBefore Jan 1, 20278%Measles cases in 20266 outcomessettles Dec 31, 2026654,175 tradedAbove 7,00037%How many launches will SpaceX have in October 2026?11 outcomessettles Nov 7, 2026617,861 tradedAbove 1091%NASA lands on the moon4 outcomessettles Dec 31, 2026561,845 tradedBefore 203042%Tesla Optimus released before 2027Yes or Nosettles Dec 31, 2026452,397 tradedYes34%Which companies will have a top-ranked AI model in 2026?12 outcomessettles Jan 2, 2027446,926 tradedOpenAI15%Which countries will report an Ebola case in 2026?17 outcomessettles Jan 1, 2027431,061 tradedCentral African Republic56%Will the FDA approve a psychedelic drug for medical use before 2027?Yes or Nosettles Jan 1, 2027426,098 tradedYes16%Where will Waymo operate in 2026?19 outcomessettles Jan 8, 2027370,916 tradedLas Vegas, NV92%When will the next Millennium Prize be awarded?5 outcomessettles Jan 1, 2035345,019 tradedBefore Jan 1, 203583%Which AI will be the first to hit 1550 on Text Arena before 2027?8 outcomessettles Jan 1, 2027233,398 tradedGemini42%When will OpenAI release Astra 6.1?3 outcomessettles Jan 1, 2027180,571 tradedBefore Dec 31, 202666%
Learn the mechanics.
01
Kalshi odds explained
A Kalshi price in cents is the market's implied chance. How to read YES and NO prices, convert cents to American and decimal odds, and add the fee.
14 min read02How Kalshi settles a market
Kalshi settles each market on its written rules, a named source and a set time. Covers payout timing, ties, fair price, the death rule and disputes.
13 min read03Kalshi fees explained
Kalshi's taker fee is 0.07 × C × P × (1 - P), so the fee on 100 contracts at 50c is $1.75. Fee table by price, maker fees, rounding, deposits.
12 min read