The NinjaBlog

News

October Update: What's New on NinjaBet

October 25, 2026

Linked legs in Parlay Finder, a Mode button in ValueBet, public results, three new free calculators and seven new states: the October update.

Guide

What is a value pick (+EV pick), and why does it beat a regular pick?

October 16, 2026

A value pick is a price above the fair odds of the outcome. How to calculate the edge, why a pick without a price has none, and what 21,793 value bets logged by NinjaBet members show.

Strategy

How do you verify a tipster or handicapper? ROI, odds taken and record

October 16, 2026

A tipster is verified with three things: every pick posted before the game with the odds taken, the ROI at those odds, and enough picks to separate skill from luck. Here is how to check each one.

Guide

What is CLV (closing line value), and why is it the number that counts?

October 16, 2026

CLV compares the odds you took with the fair odds at kickoff. How to calculate it, why it says more than results, and what ten days of NinjaBet data show: +2.40% average CLV, and still 490 bets in the red.

Strategy

Betting variance: why does a +EV bet still lose?

October 16, 2026

Value improves the price, not the outcome: a +EV bet loses often. How many bets it takes for the edge to show, members' real months from −2.73% to +47.81%, and six rules for handling variance.

Guide

What is a surebet, and how does it work?

October 16, 2026

A surebet covers every outcome at different sportsbooks and leaves the same margin whatever the result. How to calculate it, two worked examples with stakes in American and decimal odds, why surebets exist and which risks remain.

Strategy

Why can a surebet lose? Palps, voids and limits

October 16, 2026

A surebet's margin is only locked if every leg stands. What happens with a palp, a line that moves, different rules on the same market and stake limits, with numbers and six rules to avoid them.

Guide

How do you convert a bonus bet into cash?

October 12, 2026

A bonus bet does not return its stake, so the odds you choose decide how much of it you keep. The hedge formula, a worked American-odds example, a conversion table and the site credit math.

Strategy

How do you avoid getting limited by sportsbooks?

October 12, 2026

Sportsbooks can cut your maximum stake or stop sending you promos. Here is what tends to trigger a limit, the habits that may delay one and their trade-offs, and what to do when an account is limited.

Guide

What is a second chance bet (no sweat bet) and how do you hedge it?

October 12, 2026

A second chance bet refunds your first bet if it loses, usually as a bonus bet. How to value the refund, which odds to pick for the first bet, the hedge formula with a worked example, and what to do with the refund.

Strategy

How do you hedge a profit boost?

October 12, 2026

A profit boost raises the winnings of one bet. How to turn the boost into boosted odds, how much to hedge on the other side, what 25%, 50% and 100% boosts lock in, and when not to hedge at all.

Guide

How do bet & get offers work, and how do you lock in the profit?

October 12, 2026

A bet & get offer pays bonus bets for placing one qualifying bet. How to hedge the qualifying bet for a small, known cost, convert the bonus bets into cash, and what the whole offer is worth.

Guide

What is a playthrough requirement, and is a deposit match worth it?

October 12, 2026

A deposit match is only worth the bonus minus what it costs to wager it through. How to price the playthrough from the hold of the markets you bet, with worked numbers, and how hedging each bet keeps the cost fixed.

Strategy

What is low hold betting, and why does it matter for promos?

October 12, 2026

The hold (vig) is a sportsbook's edge on a market: its implied probabilities minus 100%. How to compute it from two American odds, why pairing prices across two sportsbooks lowers it, and how it sets the cost of qualifying bets and playthrough.

Guide

Can you use prediction markets like ProphetX for matched betting?

October 12, 2026

Yes: ProphetX, a prediction market, is the second leg of a hedge in the NinjaBet Bet Finder. Here is how contracts priced in cents convert to American odds, a worked bonus bet example, and how prediction markets differ from sportsbooks.

Tools

How many sportsbooks can you use for matched betting in the US, and which ones?

October 1, 2026

The NinjaBet.com tools carry 16 sportsbooks and prediction markets across 28 states today: how many your state gets, how you cover a bet without lay betting, where to see the full list and what the free version includes.

News

One Month of the New NinjaBet: What's New

September 28, 2026

Three-way cover in Parlay Finder, faster Bet Finder filters, a rebuilt Bet Tracker with Bet Tracker Pro, Ask AI and more: a month of updates, most of them asked for by you.

Guide

Matched betting in the US: what is it, how does it work and how much can you make? (2026)

September 28, 2026

Matched betting turns the promotions of licensed US sportsbooks into cash by covering every outcome of a bet: you back one side at the sportsbook and the opposite side on a prediction market such as ProphetX, or at a second sportsbook, so the result does not depend on who wins. With $100–$300 of capital and 1–2 hours a day, most NinjaBet users make $200–$500 a month in their first months. Results vary: it takes time, capital and attention to each promotion's terms.

Legal

Is matched betting legal in the US? Sports betting laws state by state (2026)

September 28, 2026

Yes. Matched betting is legal wherever online sports betting is legal: you only bet at sportsbooks licensed by your state and use the promotions they publish themselves. Since the Supreme Court struck down the federal ban in 2018, each state decides; as of September 28, 2026, most states allow online sports betting, a handful allow retail only and several still prohibit it. The table below lists every state and the District of Columbia, verified on official sources.

The New NinjaBet Is Here: What's New

September 5, 2026

Three services, rebuilt tools, a new Bet Tracker, dark mode and full mobile support.

European Handicap vs Asian Handicap

March 10, 2026

Understanding the differences and choosing the right option

Guide

Sports betting terms: a US glossary for matched betting

January 21, 2026

A plain-English glossary of the US sports betting terms you meet in matched betting: odds and hold, promo types such as bonus bets and profit boosts, and the hedging vocabulary behind the NinjaBet tools.

7 Ways to Save Money During the Holidays

November 19, 2025

Enjoy the celebrations without the extra cost

Summer Stories from 2025

August 27, 2025

How NinjaBet members used their profits

6 Ideas for Weekend Getaways from New York

July 24, 2025

Fun, easy trips you can enjoy using your matched betting profits

Strategy

Arbitrage betting vs matched betting: what's the difference?

June 11, 2025

Arbitrage betting profits from price gaps between sportsbooks and needs no promo; matched betting turns sportsbook promos into cash and accepts small qualifying costs. Here is how each works, with worked numbers, and which one gets accounts limited faster.

NinjaBet's Free Trial

November 7, 2024

How it Works and How to Make Your First $100

5 Travel Destinations You Can Visit With Your NinjaBet Earnings

June 17, 2024

Discover these amazing travel destinations you can visit with your NinjaBet earnings. Turn your betting success into unforgettable adventures. 🎁

24 Cool Tech Gadgets Paid for With NinjaBet Profits

February 9, 2024

Let’s explore the latest tech gadgets that you can now afford with your NinjaBet earnings. Plan ahead your next purchases month after month.

15 Free Ways to Promote Your NinjaBet Affiliate Link

August 6, 2020

Find out how you can join the NinjaBet Affiliate Program and make the most of your personal link

A chat with Ninja Massimo

November 20, 2017

At the moment I have around 3,500 Euros in profits, but if I had been a more disciplined Ninja, my earnings would have been greater.

A Chat with Ninja Andrea

July 27, 2017

I became Ninja on a very boring afternoon in January 2017... I recommend it to anyone as it allows you to earn easy money.

A Chat with Ninja Davide

April 1, 2017

Premium User: I discovered NinjaBet thanks to the advertisment on a Facebook page inherent to the university world (The shitty roommate).