This week's biggest prediction market moves
This week's biggest moves: the contracts that rose and fell most over the last 7 days across the prediction markets Californians trade.
On this page
This page tracks the biggest price moves. For the apps Californians can use, start with our guide to California prediction markets.
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Biggest risers
Change over the last 7 days · Prices as of Oct 13, 2026
Rising
▲ +56 pts
▲ +50 pts
▲ +49 pts
▲ +48 pts
▲ +46 pts
▲ +45 pts
▲ +43.5 pts
▲ +38.5 pts
Kalshi: Trade $25 and Get $25! (code CAPREDICTS) · 18+ · T&Cs apply · Terms
Certain limitations apply. The offer is available to new users only, subject to the terms and conditions at kalshi.com/tc/500. 18+ only. Restrictions and eligibility requirements apply. Event contract trading involves significant risk and is not appropriate for everyone. Please carefully consider if it is appropriate for you in light of your personal financial circumstances. Kalshi products are not available in all jurisdictions. See kalshi.com/regulatory for more information.
Polymarket US: Deposit $10 get a $25 Trading Bonus! (code CAPREDICTS) · 18+ · T&Cs apply · Terms
18+ Only. Restrictions and eligibility requirements apply. Not available in all jurisdictions. Trading is risky. 100% loss can occur. See polymarket.com/tos for more information. The Polymarket US App serves as an independent software provider and affiliate of Polymarket US and Polymarket Clearing, the CFTC-regulated exchange and clearing organization.
Polymarket prices shown are from its global exchange; the US app (iPhone) may list different markets.
Biggest fallers
Change over the last 7 days · Prices as of Oct 13, 2026
Falling
▼ −56.5 pts
▼ −51.5 pts
▼ −47 pts
▼ −47 pts
▼ −43 pts
▼ −42.5 pts
▼ −42.5 pts
▼ −37 pts
Kalshi: Trade $25 and Get $25! (code CAPREDICTS) · 18+ · T&Cs apply · Terms
Certain limitations apply. The offer is available to new users only, subject to the terms and conditions at kalshi.com/tc/500. 18+ only. Restrictions and eligibility requirements apply. Event contract trading involves significant risk and is not appropriate for everyone. Please carefully consider if it is appropriate for you in light of your personal financial circumstances. Kalshi products are not available in all jurisdictions. See kalshi.com/regulatory for more information.
Polymarket US: Deposit $10 get a $25 Trading Bonus! (code CAPREDICTS) · 18+ · T&Cs apply · Terms
18+ Only. Restrictions and eligibility requirements apply. Not available in all jurisdictions. Trading is risky. 100% loss can occur. See polymarket.com/tos for more information. The Polymarket US App serves as an independent software provider and affiliate of Polymarket US and Polymarket Clearing, the CFTC-regulated exchange and clearing organization.
Polymarket prices shown are from its global exchange; the US app (iPhone) may list different markets.
Where to go next
- Compare platforms available in California
- Read the guides
- See what changed on the site
- The California hub
18+ · T&Cs apply · Terms
Certain limitations apply. The offer is available to new users only, subject to the terms and conditions at kalshi.com/tc/500. 18+ only. Restrictions and eligibility requirements apply. Event contract trading involves significant risk and is not appropriate for everyone. Please carefully consider if it is appropriate for you in light of your personal financial circumstances. Kalshi products are not available in all jurisdictions. See kalshi.com/regulatory for more information.