How many 6.5 or above earthquakes August 3 - August 9?

Platform comparison

Market context

A **6.5-plus earthquake anywhere on Earth** is a relatively high-threshold seismic event, and the market is effectively asking whether one will land in the seven-day window ending on 9 August. The crowd is pricing **96% YES**, which is consistent with the fact that major quakes occur regularly enough that a single week often contains at least one event at or above this level, especially in active belts such as the Pacific Ring of Fire. USGS’s 2026 significant-earthquake pages and M6+ catalogue show that this year has already produced multiple large events, including a **7.8** off Mindanao and several other strong shocks, underscoring that 6.5 is a meaningful but not exceptional cutoff.[1][8][11]

For historical framing, traders should remember that the main uncertainty is usually not whether the Earth will produce a 6.5, but whether it is logged within the exact market window and appears in the USGS search results used for settlement. In comparable week-long quake markets, the practical question tends to be catalogue timing and event revision rather than a genuine scarcity of qualifying earthquakes; the USGS map and quake trackers show frequent daily seismicity, with many smaller events and occasional larger ones.[9][13][4] A 2026 Mexico 6.5 event and the Mindanao aftershock sequence also illustrate how clustered seismicity can push a week over the threshold quickly once a major rupture occurs.[15][11]

The catalyst to watch is therefore any late-week large rupture and, just as importantly, how quickly USGS publishes and finalises it. The market rules state that if a substantial quake has happened but has not yet appeared on the resolution source, the market can remain open beyond the nominal end date until it is reflected in USGS data.[7] That means the key dependency is not campaign-style polling or scheduled announcements, but *USGS catalogue timing* after any significant global event, particularly in the Pacific basin where large earthquakes are most common.[1][8]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for How many 6.5 or above earthquakes August 3 - August 9? plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.

Resolution & payout

For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.

UK Frequently Asked Questions

How accurate are political prediction markets?

Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.

Can prediction markets influence election outcomes?

Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.

Which platform has the deepest political liquidity?

Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Election Predictions UK route into the same order book at 0% fees.

How fast do political markets react to news?

High-liquidity markets move within seconds to minutes. A Trump tweet on the economy can shift the "Trump 2024" market 2-5 points before mainstream media has written anything.

Are UK election prediction markets available from the UK?

Yes. Betfair Exchange and Smarkets offer UKGC-regulated UK election markets (seat counts, party share, constituency results). Polymarket also lists UK election contracts with deeper global liquidity. Betfair winnings are typically tax-free for UK individuals; Polymarket profits are subject to HMRC CGT.