Build on Gemini Predictions

Prediction markets are how you express your view of the world. We're building the best place to do that with

leading APIs, partner events, maker rebates, liquidity rewards

Gemini Predictions programs

Trade prediction markets with programs designed for active participants, market makers, and power users.

Maker Rebates & Taker Rebates

Maker Rebates

Maker rebates incentivize eligible market participants to provide resting liquidity to the order book via maker orders (i.e., orders that do not match immediately and rest on the order book).

MarketPeriodRebate Rate
Crypto and Commodities
June 11, 2026+0.30
Politics
June 11, 2026+0.30
Sports
June 11, 2026+0.30
Economics
June 11, 2026+0.30
All other markets
March 18, 2026+0.30

Taker Rebates

Taker rebates grow active trading and deepen markets by rewarding eligible participants who provide taker volume to the order book (i.e., orders that match immediately against resting liquidity).

Reward Example

Monthly taker volumeDaily reward rateMonthly Reward
$500,0000.50%
$2,500
$1,000,0000.50%
$5,000
$2,000,0001.00%
$20,000
$5,000,0001.00%
$50,000
$10,000,0001.50%
$150,000

Rewards and builder programs

Reward Received

A cleaner way to trade prediction markets

Get rewarded for meaningful trading activity across eligible markets.

Our high-volume trader and taker rewards programs are designed for active traders who bring volume, conviction, and depth to the ecosystem.

Builders

Build products, tools, data experiences, and trading workflows on top of Gemini prediction markets.

The next generation of prediction market experiences will come from builders creating new interfaces, analytics, alerts, bots, strategies, research tools, and community products that make markets more useful and accessible.

Reward pool remaining
$1,325,948
88.4% left
$1.5M pool

High-volume trader rewards

Our high-volume trader and taker rewards programs are designed for active traders who bring volume, conviction, and depth to the ecosystem.

Get rewarded up to $1,500,000 for meaningful trading activity across eligible markets now through Oct 1, 2026.

Learn more

API and tools

API and tools

The Gemini API is one of the strongest ways to build and trade in the prediction markets ecosystem.

Use the API to automate workflows, build trading tools, analyze markets, power dashboards, or create new user experiences. Whether you are a trader building for yourself or a developer building for a broader audience, the API gives you direct access to the infrastructure behind Gemini prediction markets.

Explore Gemini API
Example
Event:“Where will BTC finish on Dec 31?”Instrument:BTC above $100,000 (YES-space proposition)YES ask:$0.42NO ask:$0.60
Build custom trading interfaces
Access market data
Create alerts and analytics
Build community products
Track positions and outcomes
Power research tools

Over time, we are exploring more builder tooling, including SDKs, CLI support, OAuth, Discord-based support, and deeper community resources.

Gemini mobile app showing a September 2026 wins and losses calendar with a balance of +$514.85

Community & Events

Community & Events

Meet the traders, builders, and team members shaping the ecosystem.

Gemini Discord logo centered in a glowing orange network illustration
Outcome analyzersTinkerersTool buildersMarket traders

Join our Discord

Our community brings together people who are trading markets, building tools, analyzing outcomes, and experimenting with new ideas. This is where builders can meet users, traders can influence product direction, and new ideas can move faster.

Join the community to get closer to the team, meet other participants, and help shape the next phase of Gemini prediction markets.

Join our Discord

Build with Gemini

Prediction markets are still early. The best products, tools, and communities are being built now.

Whether you are here to trade, build, compete, or partner, Gemini gives you a cleaner, more trusted way to participate in the prediction markets ecosystem.

Build on Gemini Predictions | Gemini