Sleeper
A fantasy and pick'em sports app, not a CFTC-regulated exchange. It is not ranked or rated here. For sports event contracts in California, use ProphetX.
Kalshi · Trade $25 and Get $25!
CAPREDICTSClaim (opens in a new tab)21+ · T&Cs apply
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.
On this page · 17
- Quick answer: is Sleeper legal in California?
- California alternatives to Sleeper
- What is Sleeper?
- Is Sleeper legal in California?
- What can you trade on Sleeper?
- How does Sleeper work?
- How much does Sleeper charge?
- Is Sleeper safe?
- Who should use Sleeper?
- Who should not use Sleeper?
- How does Sleeper compare to Rebet?
- How do I sign up for Sleeper?
- Responsible trading tools
- Our verdict
- Guides about Sleeper
- How Sleeper compares
- Ready to open an account?
A fantasy and pick'em sports app, not a CFTC-regulated exchange. It is not ranked or rated here. For sports event contracts in California, use ProphetX.
- Fantasy and pick'em sports app
- Check the app for California availability
Founded 2017 · Fantasy and pick'em sports app · iOS, Android, Web
Try ProphetX instead (opens in a new tab)Trading event contracts involves risk of loss. T&Cs apply. Trade responsibly.
At a glance
- Regulation
- Fantasy and pick'em sports app
- Founded
- 2017
- Device
- Web · iOS · Android
- Markets
- Sports, Social, NFL
Kalshi · Trade $25 and Get $25!
CAPREDICTS
Claim on Kalshi (opens in a new tab)
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.
Last checked October 27, 2026
Quick answer: is Sleeper legal in California?
Sleeper is a fantasy sports and pick'em app, not a regulated event-contract exchange. We have not confirmed its status in California, so check the Sleeper app for what is available in the state. We have no partner link for Sleeper. CFTC-regulated alternatives that accept California residents: Kalshi, ProphetX and OG (status: Available, dispute pending, as of October 13, 2026).
California alternatives to Sleeper
These CFTC-regulated platforms accept California residents (status: Available, dispute pending, as of October 13, 2026). New users can claim each welcome offer with code CAPREDICTS.
Kalshi
Trade $25 and Get $25!
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.
ProphetX
Trade $50, Earn $75!
New users only. T&Cs apply. ProphetX's minimum age is 18 (or the local age of majority if higher); we recommend 21+. Not available in Nevada. Trading involves risk.
TL;DR:
A fantasy and pick'em sports app, not a CFTC-regulated exchange. It is not ranked or rated here. For sports event contracts in California, use ProphetX.
Best for
- NFL and NBA contracts
- Group-chat trading
- Fantasy-style players
Not ideal for
- Politics and macro traders
- Solo high-volume traders
What is Sleeper?
Sleeper is a fantasy sports and pick'em app. It is not one of the CFTC-regulated exchanges we review.
What sets Sleeper apart is its positioning: sports-first. social-native. built for the group chat.. That's not marketing copy. It's reflected in the product, the markets offered, and the kind of trader who sticks around.
Is Sleeper legal in California?
Sleeper is a fantasy sports and pick'em app, not a regulated event-contract exchange. We have not confirmed its status in California, so check the Sleeper app for what is available in the state. We have no partner link for Sleeper. CFTC-regulated alternatives that accept California residents: Kalshi, ProphetX and OG (status: Available, dispute pending, as of October 13, 2026).
That said, the legal picture is still being contested. Some state attorneys general have challenged certain platforms; the CFTC has consistently defended its jurisdiction. For the full backdrop, see our California legality guide.
What can you trade on Sleeper?
Sleeper covers Sports, Social, NFL, NBA. New markets are added weekly.
How does Sleeper work?
Sleeper is not an exchange, so there are no yes/no contracts priced in cents. Check the Sleeper app for how its contests work and what an entry costs.
For how event contracts work on the CFTC-regulated exchanges we review, read how event contracts work.
How much does Sleeper charge?
We have not verified Sleeper's costs. Check the Sleeper app for the current cost of each entry or order before you confirm.
Liquidity varies by market. High-profile events like presidential elections or playoff series are deep, while niche markets can be thin. Always check the bid-ask spread before taking a position.
Marketplace · Sponsored
We have no partner link for Sleeper. For sports event contracts in California, use ProphetX.
US residents only · T&Cs apply
Try ProphetX instead (opens in a new tab)
Is Sleeper safe?
Sleeper is not one of the CFTC-regulated exchanges we review, so read its own terms on how it holds funds and settles entries before you deposit.
That regulatory backstop is the single biggest reason California traders choose CFTC-regulated venues over offshore sportsbooks, which operate outside U.S. consumer protection.
Who should use Sleeper?
Sleeper is best for nfl and nba contracts, group-chat trading, and fantasy-style players.
If that profile fits you, Sleeper may be worth a look.
Who should not use Sleeper?
Sleeper is not ideal for politics and macro traders or solo high-volume traders.
If that's you, browse our full platform rankings for a better fit.
How does Sleeper compare to Rebet?
Sleeper and Rebet target different traders. See our full Sleeper vs Rebet comparison.
In short: Sleeper excels at nfl and nba contracts, while Rebet is typically the default for broader U.S. coverage and brand recognition.
| Sleeper | Rebet | |
|---|---|---|
| Regulation | Fantasy and pick'em sports app | Sweepstakes-model sports app, not a CFTC exchange |
| Founded | 2017 | 2022 |
| Markets | Sports, Social, NFL | Social, Sports, Mobile-first |
| Bonus | — | — |
| Device | Web + iOS + Android | Web + iOS + Android |
| Best for | NFL and NBA contracts | Social trading while traveling |
Full Sleeper vs Rebet comparison →
How do I sign up for Sleeper?
We have no partner link for Sleeper. To sign up, use Sleeper's own app and read its terms first.
Responsible trading tools
Sleeper provides deposit limits, self-exclusion options, and links to support resources. If trading stops being fun, take a break. Call 1-800-GAMBLER or visit ncpgambling.org (opens in a new tab).
Our verdict
“A fantasy and pick'em sports app, not a CFTC-regulated exchange. It is not ranked or rated here. For sports event contracts in California, use ProphetX.
Sources & further reading
Every figure and legal claim on this page traces back to a primary source. These are the ones we checked, open them and verify us.
- Sleeper. Official site
Contest rules and state eligibility.
- CFTC: Commodity Futures Trading Commission (opens in a new tab)
The federal regulator that authorizes and supervises every event-contract exchange we cover.
- CFTC designated contract markets registry (opens in a new tab)
Official list of registered exchanges, where we verify a platform's DCM status.
- National Council on Problem Gambling (opens in a new tab)
Free, confidential help and self-assessment tools (1-800-522-4700).
Guides about Sleeper
- Recap: 2026 NBA Finals: A California Fan's Prediction Market Playbook
- Dodgers 2026: Trading the World Series Run from California
- Rams and Chargers 2026: Trading NFL Win Totals from California
- Recap: Lakers 2026 NBA Playoffs: How to Trade the Run on Prediction Markets
How Sleeper compares
Polymarket
CFTC-regulated exchange.
Politics Culture Sports News
Deposit $10 get a $25 Trading Bonus! Code CAPREDICTS
Read Polymarket review Sign up at Polymarket US (opens in a new tab)
ProphetX
Sports-first exchange where you trade against other people. Not available in Nevada.
Sports Peer-to-peer NFL NBA
Trade $50, Earn $75! Code CAPREDICTS
Read ProphetX review Sign up at ProphetX (opens in a new tab)
Kalshi
CFTC-designated contract market. Works on iPhone, Android and the web.
Politics Sports Economics Culture
Trade $25 and Get $25! Code CAPREDICTS
Ready to open an account?
A fantasy and pick'em sports app, not a CFTC-regulated exchange. It is not ranked or rated here. For sports event contracts in California, use ProphetX.
Frequently asked questions
Is Sleeper the best option for California sports fans?
Sleeper is a fantasy and pick'em app with a social layer for NFL and NBA fans, not a CFTC-regulated exchange. California traders who want CFTC-regulated sports contracts are better served by ProphetX, or by Kalshi for a broader mix of markets.
Was Sleeper verified recently?
We have no partner link for Sleeper and have not verified its deposits, fees or withdrawals. Check the Sleeper app before you deposit.
Is Sleeper legal in California?
Sleeper is a fantasy sports and pick'em app, not a regulated event-contract exchange. We have not confirmed its status in California, so check the Sleeper app for what is available in the state. We have no partner link for Sleeper. CFTC-regulated alternatives that accept California residents: Kalshi, ProphetX and OG (status: Available, dispute pending, as of October 13, 2026).
What can I trade on Sleeper?
Sleeper is a fantasy and pick'em app, not a CFTC-regulated exchange: it offers fantasy leagues and pick'em games on the NFL, NBA and other sports, integrated with its group-chat platform. For a CFTC-regulated exchange, use ProphetX or Kalshi.
How much does Sleeper charge?
Check the Sleeper app for current costs, which are shown before you confirm an entry. Sleeper is a fantasy and pick'em app, so its pricing is not comparable with the fees on CFTC-regulated exchanges.
Is Sleeper safe?
Sleeper is not one of the CFTC-regulated exchanges we review, so read its own terms on how it holds funds and settles entries before you deposit.
How do I sign up for Sleeper?
Download the Sleeper app, complete identity verification, and fund your account. If you already use Sleeper for fantasy, the pick'em games are in the same app.
How does Sleeper compare to Kalshi?
Sleeper is a sports-first, social-native fantasy and pick'em app, not a CFTC-regulated exchange. Kalshi is a CFTC-regulated exchange and is broader, with politics, economics, and culture in addition to sports.
Do you need an SSN for Sleeper?
Sleeper is a fantasy and pick'em app, not a CFTC-regulated exchange, so check the Sleeper app for what identity details it asks for when you verify your account. CFTC-regulated exchanges such as Kalshi collect a full SSN during KYC.
Do you pay taxes on Sleeper winnings?
Yes. Net Sleeper winnings are taxable; check the tax documents the app provides, and report your profit either way. California residents also owe state income tax on the gains.
How do I withdraw from Sleeper?
Check the Sleeper app for how withdrawals work and how long they take; we have not verified its timings.
Does Sleeper charge fees?
Sleeper is a fantasy and pick'em app, not a CFTC-regulated exchange, so check the Sleeper app for the current cost of each entry and for any deposit or withdrawal charges.
What is the minimum deposit for Sleeper in California?
Check the Sleeper app for its current minimum deposit; we have not verified it.
How fast are withdrawals on the Sleeper app?
Check the Sleeper app for how withdrawals work and how long they take; we have not verified its timings.
Is the Sleeper app available on Android and iOS?
Check the App Store or Google Play listing for Sleeper on your device, and check the app for what is available in California.
Already have Kalshi? Add a second app
- OG: Trade $25 Get $50 in Rewards! (New users only) (code
CAPREDICTS) · 42 states + D.C. Claim on OG (opens in a new tab)
Paid partnership with OG. Terms and conditions apply. Trading derivatives involves risk and may not be appropriate for all. Availability subject to jurisdictional limitations. For more information, visit: OG.com. - ProphetX: Trade $50, Earn $75! (code
CAPREDICTS) · 49 states + D.C. Claim on ProphetX (opens in a new tab)
New users only. T&Cs apply. ProphetX's minimum age is 18 (or the local age of majority if higher); we recommend 21+. Not available in Nevada. Trading involves risk.
21+ · 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.