Name: Based: editorial review
Rating: 3.5
Author: Polytoolhub

What is Based?

Based puts prediction markets alongside its perpetual and spot products. Its dedicated prediction interface offers several ways to find a contract: a detailed table, visual outcome cards and a calendar organized by event dates. Trader pages add portfolio value, PnL history and positions so you can investigate who is active in a market before entering your own order.

Who it is for

Users who want prediction markets and crypto trading in one app
Traders organizing research by event date
Users comparing public trader portfolios and realized activity

Features and coverage

Available on: Web, iOS, Android
Markets & venues: Polymarket, Hyperliquid
Research topics: Market calendar, Trader analysis

List view
Compare probability, volume, daily price change, liquidity and closing time in a table.
Card view
Browse top outcomes visually with direct Yes/No entry points.
Calendar view
Plan research around the date of the underlying event.
Advanced filters
Narrow the list by status, volume, liquidity, dates and sort order.
Top-trader rankings
Compare traders by profit and volume, then open their records.
Trader analysis
Inspect portfolio value, biggest win, total trades, the PnL chart and active or closed positions.
Prediction portfolio
Track cash and positions within the dedicated prediction interface.
Mobile prediction trading
Browse markets, inspect an event chart and trade outcome contracts in the mobile app.

Workflows with Based

Plan an event-driven session

Open Calendar, choose the relevant date and filter for the category and liquidity you need. Inspect the precise question before using its Yes/No controls.

Compare market conditions

Use the list view to compare volume, spread-related context and closing time, then open the chosen event’s order book.

Investigate a top trader

Move from the ranking into the portfolio page and compare active exposure with closed-position performance.

Pricing and total cost

The prediction-market guide states that Based adds a 1% transaction fee on top of applicable Polymarket trading fees.

Fees and usage costs

Based prediction-market charge: an additional 1% per transaction, as listed in the dedicated guide.
Venue fees are separate; inspect the complete quote in the prediction order flow.

Access: The prominently displayed perpetual and spot fee tables describe different markets.

Getting started

Before you start: Perpetual leverage and fee tiers do not automatically apply to prediction contracts.

Open the dedicated Predict page or prediction section in the mobile app.
Choose list, card or calendar view.
Apply status, liquidity, volume or date filters.
Connect or create the app account and use its prediction funding flow.
Review the exact outcome, amount and full fee before placing an order.
Monitor the prediction portfolio and any outstanding orders.

Prediction-market guide

Useful links

What to check

Perpetual leverage and fee tiers do not automatically apply to prediction contracts.
The documented Telegram bot focuses on Hyperliquid; the verified prediction surfaces are web and mobile.
The prediction guide includes a venue-fee example, but the live quote is needed for the chosen market and side.

A closer look

Ratings & reviews

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Editorial rating

3.5/ 5

0 user reviews

Polytoolhub editorial

Our take on Based

Multiple discovery views and public trader analysis support practical market research before order entry. The additional prediction-market fee and the separation from perpetual products are important to the decision.

Based on documented features, setup and access terms. How we rate

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The main score switches to user ratings after 5 published reviews.

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Frequently asked questions about Based

Does Based have a prediction-market calendar?

Yes. Its guide shows a calendar view organized by event dates.

Can I inspect another trader’s positions?

Trader analysis includes active and closed positions alongside a PnL chart.

Does it work on mobile?

The dedicated guide documents prediction markets in the mobile app.

Which fee schedule should I use?

Use the prediction-market quote and guide, not the separate spot or perpetual table.

Based

Screenshots and interface