The Prediction Markets

Highest earthquake magnitude in 2026?

Closes
Jan 7, 2027, in 3 months
Traded
$28K
Venues
Polymarket
Prices updated
1 min ago
Share

What the markets expect

7.9 or below 76.3%

Next is 8.2 – 8.3 at 7.7%. Only Polymarket lists this market, so there is no second price to compare.

7.9 or below 76.3%8.2 – 8.3 7.7%8.0 – 8.1 6.9%9.0 or above 4.6%8.6 – 8.7 3.2%2 others 1.3%

Odds by venue

Fair chance strips out each venue’s built-in margin (its prices add up to more than 100%), then blends the venues by how much has traded there, so the outcomes add up to 100%. Best Yes price is the cheapest ask across venues, and the payout is what a winning $100 stake returns before fees. Open a row for each venue’s contract name, bid and ask, and how closely their rules match.

Prices come from our regular polls of each venue, the oldest 1 min ago. Ages are as of when this page was built.

  • Polymarket
7.9 or below
76.3%
Polymarket 71.5%(76.3% fair)polled, 1 min agoBest Yes 79¢ on Polymarket, $100 pays $127 (1.27x)
Polymarket
Contract
7.9 or below
Last price
71.5%
Fair, margin removed
76.3%
As of
Polled 1 min ago
Buy Yes
79¢
Sell Yes
64¢
$100 on Yes pays
$127 (1.27x)
Volume
$21K
Trade this on Polymarket
8.2 – 8.3
7.7%
Polymarket 7.3%polled, 1 min agoBest Yes 11.3¢ on Polymarket, $100 pays $885 (8.85x)
Polymarket
Contract
8.2 – 8.3
Last price
7.3%
As of
Polled 1 min ago
Buy Yes
11.3¢
Sell Yes
3.2¢
$100 on Yes pays
$885 (8.85x)
Volume
$2K
Trade this on Polymarket
8.0 – 8.1
6.9%
Polymarket 6.5%polled, 1 min agoBest Yes 9¢ on Polymarket, $100 pays $1,111 (11.1x)
Polymarket
Contract
8.0 – 8.1
Last price
6.5%
As of
Polled 1 min ago
Buy Yes
9¢
Sell Yes
4¢
$100 on Yes pays
$1,111 (11.1x)
Volume
$2K
Trade this on Polymarket
9.0 or above
4.6%
Polymarket 4.4%polled, 1 min agoBest Yes 7.8¢ on Polymarket, $100 pays $1,282 (12.8x)
Polymarket
Contract
9.0 or above
Last price
4.4%
As of
Polled 1 min ago
Buy Yes
7.8¢
Sell Yes
0.9¢
$100 on Yes pays
$1,282 (12.8x)
Volume
$1K
Trade this on Polymarket
8.6 – 8.7
3.2%
Polymarket 3%polled, 1 min agoBest Yes 5.4¢ on Polymarket, $100 pays $1,852 (18.5x)
Polymarket
Contract
8.6 – 8.7
Last price
3%
As of
Polled 1 min ago
Buy Yes
5.4¢
Sell Yes
0.5¢
$100 on Yes pays
$1,852 (18.5x)
Volume
$741
Trade this on Polymarket
8.4 – 8.5
0.8%
Polymarket 0.7%polled, 1 min agoBest Yes 0.9¢ on Polymarket, $100 pays $11,111 (111x)
Polymarket
Contract
8.4 – 8.5
Last price
0.7%
As of
Polled 1 min ago
Buy Yes
0.9¢
Sell Yes
0.5¢
$100 on Yes pays
$11,111 (111x)
Volume
$662
Trade this on Polymarket
8.8 – 8.9
0.5%
Polymarket 0.5%polled, 1 min agoBest Yes 0.8¢ on Polymarket, $100 pays $12,500 (125x)
Polymarket
Contract
8.8 – 8.9
Last price
0.5%
As of
Polled 1 min ago
Buy Yes
0.8¢
Sell Yes
0.2¢
$100 on Yes pays
$12,500 (125x)
Volume
$492
Trade this on Polymarket

Who resolves this market

Polymarket
Polymarket resolves via:
UMA optimistic oracle, source: earthquake.usgs.gov

How the odds have moved

The top 3 outcomes on both venues, with the consensus between them. Hover for exact values.

  • 7.9 or below
  • 8.2 – 8.3
  • 8.0 – 8.1

Order books

Each venue’s resting orders for the selected outcome’s Yes contract, side by side. Top of book streams live; depth refreshes every 15 seconds.

Top of book

Connecting
Best bid
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Spread
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Best ask
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Waiting for the first live quote…

Depth · top 8 levels

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Recent trades

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What your stake buys

Enter a stake to see where it buys the most after fees, using each venue’s live order book.

$
Buy

Loading both order books…

Buys at the asks resting now (taker orders), cheapest after fees first, from order-book snapshots up to 15 seconds old. Fees: Kalshi 0.07 × price × (1 − price) per share, rounded up to the cent; Polymarket 0.05 × price × (1 − price) per share (other / general rate). Fee calculator. Estimates only, not advice.

About this market

Live prediction market odds for "Highest earthquake magnitude in 2026?". 7.9 or below leads at 76.3%. Next is 8.2 – 8.3 at 7.7%. $28K has traded across 7 outcomes on Polymarket. The market is expected to resolve by Jan 7, 2027.

This market will resolve based on the USGS preferred magnitude of the largest (highest-magnitude) earthquake to occur anywhere on Earth between January 1, 2026, 12:00:00 AM ET and December 31, 2026, 11:59:59 PM ET. The "7.9 or below" bracket covers any case in which the highest-magnitude earthquake during this market's timeframe is below 8.0, including the magnitude 7.8 already recorded in 2026 and any lower value. The resolution source for this market is the United States Geological Survey (USGS) Earthquake Hazards Program (https://earthquake.usgs.gov/earthquakes/search/). Magnitude is measured to one decimal place (e.g., 7.9). The USGS preferred magnitude at the end of this market's open period governs; later revisions do not reopen or change this market's resolution. An extension period extends this market's close from January 3, 2027, 11:59:59 PM ET to as late as January 7, 2027, 11:59:59 PM ET, and applies when a qualifying earthquake has occurred within this market's timeframe but the USGS has not yet published or finalized its preferred magnitude. This additional time allows the reported magnitude to be finalized before this market resolves. This market will remain open until January 3, 2027, 11:59:59 PM ET, or until January 7, 2027, 11:59:59 PM ET if the extension period applies. If a qualifying earthquake has occurred within this market's timeframe but has not yet appeared on the resolution source by the end of that period, another credible resolution source will be used.

Questions

What does the consensus price mean?

It is the price of a Yes contract that pays $1 if the outcome happens. A 14¢ price means traders put the chance near 14%. Where two venues list the same outcome, we blend their last prices, weighting the venue with more trading volume more heavily (neither counts for less than a quarter). When only one outcome can win, each venue’s prices add up to a little over 100% (its margin); the fair chance removes that margin so the outcomes add up to exactly 100%.

How is the payout worked out?

A Yes contract pays $1 if it wins, so at the best ask a $100 stake buys 100 ÷ ask contracts. At 18¢ that is about 555 contracts, paying $556 (5.56x) if Yes happens. Venue fees and price slippage on larger orders are not included.

Why do the venues show different prices?

Each venue has its own traders, fees and order book. Contracts can also settle on slightly different terms, which is why each row lists how closely the rules match.

Is a price gap an arbitrage?

Only when you can buy Yes on one venue below what someone pays for Yes on the other, after fees, and both contracts settle the same way. We show the executable bid and ask so you can check.

How fresh are these prices?

Venue prices refresh every few minutes, and the order book and live quotes stream continuously. Each venue’s card shows when we last observed it.

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