A trust-first guide to prediction market apps: rails, fees, access, taxes, liquidity, contract wording, and support paths without affiliate-style rankings.
PredictionMarkets.US is an information and comparison site. This guide is designed to help readers choose a starting path by checking source quality, platform rail, access, rules, fees, and support boundaries. It is not a referral leaderboard or trading recommendation.
Official records beat app-store copy.
The guide separates official platform details, regulatory records, support docs, and public marketing language before recommending where a user should start.
Referral offers do not decide placement.
The best app for a user depends on access, rail, market fit, support path, fees, and rules — not the largest bonus card.
Readers should see what was checked recently.
Each comparison lens should show the data source family and whether any required platform details need same-session review.
Editorial policy can live in this public file. Platform facts still come from the verified facts layer or owned/source-verified data.
Platform facts
official-source review
Official docs
official platform support/docs
Primary records
CFTC, Congress, court, SEC, or platform primary filings
Owned data
PredictionMarkets.US live/archived data
If a fee, access rule, rail relationship, or support path is missing from the facts layer, this guide routes to a maintained guide instead of filling the cell from memory.
Source receipt data did not load, so this page is not showing freshness badges for individual app-selection lenses.
Start with the question you are actually trying to answer. The same app can be a clean fit for one user and the wrong shortcut for another.
I am a U.S. beginner
Which app is easiest to understand without accidentally mixing up wrapper, exchange, and tax/accounting layers?
Source receipts
I come from sports betting
Which app looks familiar, and where can sports-style UX hide exchange-rail or contract-wording differences?
Source receipts
I am crypto/native
Which apps separate crypto-native market discovery from U.S. access and compliance caveats?
Source receipts
I use a brokerage or wrapper
Who owns the account display, payout statement, and tax/accounting workflow?
Source receipts
I care about liquidity and depth
Is there enough depth behind the visible price or label?
Source receipts
I am researching platforms
Which pages explain the difference between app brand, exchange rail, source policy, and troubleshooting path?
Source receipts
These cards avoid top-volume examples and audience-size claims. Regulatory, fee, access, and guide links render from the official-source review pipeline.
Kalshi
Best for US traders who want regulatory protection
Rail / infrastructure
self-operated
Availability note
Available nationwide but facing active litigation in 14+ states. Federal preemption arguments have had mixed results — courts in NJ and TN ruled for Kalshi; courts in MD, MA, NV, and OH ruled for state authority. Arizona filed criminal charges March 2026. Washington AG filed civil suit March 27, 2026.
Fee source
≤1.75¢/contract (formula-based)
Tax docs / support path
Polymarket
Best for global events and highest liquidity
Rail / infrastructure
self-operated
Availability note
Available to US residents following CFTC approval in November 2025
Fee source
Sports 0.75% peak; Crypto 1.80% peak; Politics/Finance/Tech 1.00%; most fee-free at extremes
Tax docs / support path
Robinhood
Trade prediction markets alongside stocks and crypto
Rail / infrastructure
kalshi-powered
Availability note
General event-contract availability varies by state via Kalshi. Maryland is excluded entirely. Sports contracts are restricted in Maryland, Nevada, and New Jersey.
Fee source
Variable, max $0.01/contract + exchange fee
Tax docs / support path
Coinbase
Prediction markets from the largest US crypto exchange
Rail / infrastructure
kalshi-powered
Availability note
Coinbase launched prediction markets in partnership with Kalshi in January 2026. Initially advertised nationally. Nevada Gaming Control Board filed civil enforcement action (Feb 2, 2026); court issued TRO (Feb 2026) and preliminary injunction (Mar 26, 2026) barring Coinbase from offering sports/election/entertainment event contracts in Nevada. Coinbase has 60 days to implement technological compliance. Litigation ongoing in MI, IL, CT.
Fee source
Not separately verified here
Tax docs / support path
FanDuel Predicts
Best for sports fans entering prediction markets
Rail / infrastructure
cme-powered
Availability note
FanDuel Predicts markets availability varies by market type and jurisdiction. Sports event contracts are available in 18 states where FanDuel does not operate a sportsbook. FanDuel will cease offering sports contracts in states that legalize online sports betting.
Fee source
2% of potential payout at checkout
Tax docs / support path
DraftKings
Super App combining sports, predictions, casino, and lottery
Rail / infrastructure
cme-powered
Availability note
DraftKings Predictions launched in 38 states on December 19, 2025 via CME Group. This is separate from DraftKings Sportsbook which operates in 30 states + DC under state gaming licenses (per DraftKings Dec 2025 press release).
Fee source
$0.01/contract platform fee (+ CME exchange fees)
Tax docs / support path
Crypto.com
CFTC-regulated exchange powering multiple prediction platforms
Rail / infrastructure
self-operated
Availability note
OG launched for U.S. users in February 2026. Crypto.com’s launch announcement did not publish a complete state-by-state availability list.
Fee source
$0.02/contract ($1 markets), $0.20/contract ($10 markets); tech fee waived on wins
Tax docs / support path
Each path is editorial grouping only. The factual cells still come from official-source review.
I am a U.S. beginner
Which app is easiest to understand without accidentally mixing up wrapper, exchange, and tax/accounting layers?
Candidate apps
Caveats to render before choosing
Source receipts
I come from sports betting
Which app looks familiar, and where can sports-style UX hide exchange-rail or contract-wording differences?
Candidate apps
Caveats to render before choosing
Source receipts
I am crypto/native
Which apps separate crypto-native market discovery from U.S. access and compliance caveats?
Candidate apps
Caveats to render before choosing
Source receipts
I use a brokerage or wrapper
Who owns the account display, payout statement, and tax/accounting workflow?
Candidate apps
Caveats to render before choosing
Source receipts
I care about liquidity and depth
Is there enough depth behind the visible price or label?
Candidate apps
Caveats to render before choosing
Source receipts
I am researching platforms
Which pages explain the difference between app brand, exchange rail, source policy, and troubleshooting path?
Caveats to render before choosing
Source receipts
These are the mistakes affiliate-style rankings usually hide.
App does not equal exchange rail
The brand on the home screen may not be the venue listing or clearing the contract.
Map the layersFees differ by category
A simple app can still route to a fee model that varies by venue, wrapper, market type, or contract setup.
Read the wrapper explainerThin-liquidity labels can mislead
A visible price or wallet signal is not automatically proof of consensus or durable depth.
Run the liquidity checkTax/accounting workflows differ by wrapper
The exchange rail, account UI, statements, and support team may not all be the same entity.
Use the tax guideContract wording beats headline wording
Before trading, read the rule language that determines settlement, not only the marketing headline.
Read wording rulesMissing cells do not get filled with guesses. They route to the guide or stay explicitly unverified here.
| Platform | Rail | Availability | Fee source | Tax docs / support path |
|---|---|---|---|---|
| Kalshi | self-operated | Available nationwide but facing active litigation in 14+ states. Federal preemption arguments have had mixed results — courts in NJ and TN ruled for Kalshi; courts in MD, MA, NV, and OH ruled for state authority. Arizona filed criminal charges March 2026. Washington AG filed civil suit March 27, 2026. | ≤1.75¢/contract (formula-based) | See guide |
| Polymarket | self-operated | Available to US residents following CFTC approval in November 2025 | Sports 0.75% peak; Crypto 1.80% peak; Politics/Finance/Tech 1.00%; most fee-free at extremes | See guide |
| Robinhood | kalshi-powered | General event-contract availability varies by state via Kalshi. Maryland is excluded entirely. Sports contracts are restricted in Maryland, Nevada, and New Jersey. | Variable, max $0.01/contract + exchange fee | See guide |
| Coinbase | kalshi-powered | Coinbase launched prediction markets in partnership with Kalshi in January 2026. Initially advertised nationally. Nevada Gaming Control Board filed civil enforcement action (Feb 2, 2026); court issued TRO (Feb 2026) and preliminary injunction (Mar 26, 2026) barring Coinbase from offering sports/election/entertainment event contracts in Nevada. Coinbase has 60 days to implement technological compliance. Litigation ongoing in MI, IL, CT. | Not separately verified here | See guide |
| FanDuel Predicts | cme-powered | FanDuel Predicts markets availability varies by market type and jurisdiction. Sports event contracts are available in 18 states where FanDuel does not operate a sportsbook. FanDuel will cease offering sports contracts in states that legalize online sports betting. | 2% of potential payout at checkout | See guide |
| DraftKings | cme-powered | DraftKings Predictions launched in 38 states on December 19, 2025 via CME Group. This is separate from DraftKings Sportsbook which operates in 30 states + DC under state gaming licenses (per DraftKings Dec 2025 press release). | $0.01/contract platform fee (+ CME exchange fees) | See guide |
| Crypto.com | self-operated | OG launched for U.S. users in February 2026. Crypto.com’s launch announcement did not publish a complete state-by-state availability list. | $0.02/contract ($1 markets), $0.20/contract ($10 markets); tech fee waived on wins | See guide |
There is no single universal best app. Start with your situation, then check the exchange rail, availability note, fee source, contract wording, and support path before comparing brands.
No. A wrapper can provide the user-facing app while another regulated venue or rail lists, clears, or supports the contract. PredictionMarkets.US separates those layers before recommending a path.
No. Liquidity labels and visible order flow need context. Thin markets can move sharply, and contract wording or settlement rules can matter more than a headline price.
No. This guide points readers toward tax and support documentation but does not provide personal tax or accounting advice.
