Crypto casinos · Sports market

Best crypto sports market sites in 2026

3 crypto casinos and betting dApps we reviewed that offer sports market, ranked by score.

1
OPINION
Other Gambling · BNB Chain
OPINION offers tradable prediction markets spanning sports, esports, crypto, politics and macro topics. Before funding an account, check the fees, market resolution rules and how deposits and withdrawals work; those details are not published on the homepage.
Read the OPINION review Visit OPINION(opens in a new tab)
ScoreScore 5.2 out of 10
TVL $2.75M−3.7%
2
Polymarket International
Other Gambling · Polygon
Polymarket International lets you trade on event outcomes across politics, sports, crypto and more. Fees, custody, licensing and KYC details are unclear, so check the rules and your local laws before depositing.
Read the Polymarket International review Visit Polymarket International(opens in a new tab)
ScoreScore 4.8 out of 10
TVL $321M−11.6%
3
O.LAB
Crypto Gambling · Base, BNB Chain
O.LAB’s OPINION product lets you trade on outcomes in sports, crypto, politics and other topics. Fees, custody and key safety details are unclear, so verify the terms and network before putting funds at risk.
Read the O.LAB review Visit O.LAB(opens in a new tab)
ScoreScore 4.4 out of 10
TVL —

Best crypto sports market sites: the numbers

Tracked: 3
Reviewed: 3
Total TVL: $323M
Avg. score: 4.8/10

The SkyBitcoins index lists 3 crypto sports market sites. Every one of them has a full review. Across the 2 with TVL data, the combined value locked is $323M.

Ranked by TVL, Polymarket International ($321M) and OPINION ($2.75M) lead the field. The best-rated is OPINION with 5.2/10, followed by Polymarket International (4.8) and O.LAB (4.4). The 3 rated crypto sports market sites average 4.8/10, and none scores 8 or above yet.

Most crypto sports market sites run on BNB Chain (2), Polygon (1) and Base (1). 33% are deployed on more than one chain. All 3 with a confirmed status are active.

Among the 3 reviewed crypto sports market sites with gambling details, none is advertised as KYC-free, none advertises provably fair games and none states a gambling licence. The most common offerings are prediction markets (3), sports markets (3) and esports markets (3).

Largest by TVL

1Polymarket International$321M
2OPINION$2.75M

Highest rated

Where they run

Chains they run on

1BNB Chain267%
2Polygon133%
3Base133%

Frequently asked questions

What is the largest crypto sports market site by TVL?

Polymarket International is the largest crypto sports market site by total value locked, with $321M. It is followed by OPINION ($2.75M). TVL figures come from DefiLlama and change daily.

Which crypto sports market site has the highest SkyBitcoins score?

OPINION has the highest score at 5.2/10, ahead of Polymarket International (4.8) and O.LAB (4.4). Scores weigh security, ease of use, fees and features, and are based only on facts we could verify.

How many crypto sports market sites has SkyBitcoins reviewed?

SkyBitcoins tracks 3 crypto sports market sites. Of these, 3 have a full review and 2 report value locked, $323M in total.

What chains do most crypto sports market sites run on?

BNB Chain is the most common, with 2 of 3 crypto sports market sites, followed by Polygon (1) and Base (1). 33% are deployed on more than one chain.

Are crypto sports market sites licensed?

None of the 3 reviewed crypto sports market sites states a gambling licence, so players have fewer protections. Only play where it is legal and with money you can afford to lose.