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Betting math, explained straight.
Guides on props, fair odds and vig, plus research and stories built from a ledger where every bet is published, losses included.
Which stats actually matter for total bases props?
A total bases prop asks how far a hitter got, not whether he got there. Here is what each of the useful numbers tells you, from isolated power and expected slugging to the plate appearances most guides leave out entirely, and the order to check them in.
What is the difference between a hits prop and a total bases prop?
At the 0.5 line they are the same bet and always settle together. Move up to 1.5 and they disagree about one time in seven. Here is where the two markets separate and which hitter suits which.
What does H+R+RBI mean in baseball betting?
H+R+RBI adds a hitter's hits, runs scored and runs batted in into one number. Over 1.5 needs any two of them. A solo home run gets you three at once. Here is exactly what counts and what does not.
What counts as total bases in a bet?
Singles count 1, doubles 2, triples 3, home runs 4. Walks, hit by pitch, stolen bases, errors and fielder's choice all count zero. Here is every case that catches people out, with real settled examples.
What player prop tools are actually free?
We opened twelve prop tools logged out with no account and no credit card, on the same MLB slate, and recorded what rendered. Five gave real research for nothing. One shows a logged-out visitor nothing at all, and one is a parked domain.
Which stats actually matter for pitcher strikeout props?
We pre-registered 17 claims about what an opposing lineup does to a starter, five of them about strikeouts, and tested them against 3,362 real starts. One survived. Then we checked it against the posted line.
Is it better to bet overs or unders on player props?
Unders hit 55.6% and overs hit 46.0% across 1,776 tracked MLB prop leans. The gap looks decisive until you check what each side needed to break even, which was 54.6% and 45.0%. Here is the full data.
Should you use a profit boost on a parlay or a straight bet?
Same 30% boost, three tickets: a -110 single earns +9.1% EV, a 2-leg parlay +11.0%, one +280 alt line +16.0%. The math on where a profit boost earns most and why.
Are no-sweat bets worth it, and what is the refund actually worth?
A no-sweat bet refunds a losing stake as a bonus bet, not cash. The EV formula, what a $100 no-sweat is worth at each odds level, and why the math favors dogs.
How many legs should a parlay have?
How many legs should a parlay have? Every -110 leg compounds about 4.5% of house edge: 2 legs costs about 9% of fair value, 5+ pays over 20% for lottery odds.
Is a bonus bet worth more than a profit boost?
A $100 bonus bet is worth $48 to $80 depending on the odds you play it at. The exact conversion table, the boost comparison, and which offer is worth more at these sizes.
What should you use a profit boost on?
On a $25 cap, a 50% boost is worth $4.17 on a -200 favorite and $10.00 on a +400 dog. The full decision table, why longshots fight the math, and the EV-first answer.
How do you tell a legit betting Discord from a scam?
Most betting Discords sell confidence, not math. Here's the five-point vetting checklist: public ledgers, settled results, honest language, real pricing logic, and what the free tier tells you about the paid one.
How much of your bankroll should you bet on each play?
The unit system that keeps profitable bettors solvent: why 1-2% flat stakes beat gut sizing, the losing-streak math nobody runs, and how the desk sizes its own plays with a hard cap.
How much money can you realistically make from sports betting?
Real numbers from 5,000+ logged bets: what +EV betting actually pays at realistic stakes, why the ceiling is lower than influencers claim, and the two walls every profitable bettor hits. No revenue-course math, just the ledger.
How do you devig sportsbook odds to find the fair price?
Devigging strips the book's fee out of a betting line to reveal the market's true probability. Here's the two-step method with a worked example, why it's the foundation of every +EV decision, and where it breaks.
How much does a parlay pay out, and why is it less than it should be?
Full parlay payout table for 2 through 8 legs, the math behind it, and the number books don't advertise: how much of your payout disappears at each leg. Plus the one situation where a parlay is actually the smart bet.
What are the best +EV betting tools in 2026?
Six +EV betting tools compared honestly, July 2026: Crazy Ninja Odds (free), OddsJam (~$199/mo), Outlier (+EV from $29.99/mo), Odds Assist (free), betstamp (free), and our own boost desk. Plus the math on when a subscription fee is itself a losing bet.
How do you spot a fake betting account?
Five tells that expose fake betting accounts and pick-sellers: no tracked record, max-unit 'hammers' on everything, a feed with no red days, everything sold as a sure thing, and no EV math anywhere. Plus the one question that makes frauds disappear.
What is closing line value, and why can it matter more than short-term profit?
Closing line value is the gap between the odds you took and where the line closed, measured in implied probability. It's the fastest honest answer to why you might be losing, because profit lies for months and CLV doesn't. Formula, worked example, and how to run the check on yourself.
How do you calculate the EV of a profit boost?
The 4-step math for pricing any sportsbook profit boost: find the fair price, apply the boost, convert to probabilities, compare. Two worked examples, one +EV and one that looks boosted but is still a losing bet, plus the trap that catches most bettors.
What is +EV betting and how does it actually work?
+EV betting means only betting when the price pays more than the true probability says it should. No predictions, no gut feelings. Here's the coin-flip version of the math, where the edges actually come from, and the honest answer to whether this is still gambling.
What are the best free EV betting calculators?
Six free calculators for devigging odds, pricing boosts, and checking parlays: Crazy Ninja Odds' legendary Devigger, Unabated and betstamp's no-vig tools, OddsJam's calculator pages, and our own boost-first pair. Ranked honestly, including where each beats ours.
What did the desk's first two weeks look like?
A dated snapshot of the Steezanomics public desk, June 24 to July 6, 2026: 179 graded plays, a 29.9% hit rate against a 25.2% stake-weighted breakeven, +27.1% ROI, and every slip type green.
Why is -110 not a 50/50 bet?
Both sides of a spread sit at -110, but you need to win 52.4% of the time just to break even. That gap is the vig, and it's why most bettors slowly bleed money without ever feeling it.
Why does Steezanomics post every loss?
Most picks services delete bad days and restart under new names. The Steezanomics desk grades itself every morning and publishes everything, including the red days. Here's why that's the whole point.
Why do I keep losing parlays?
Parlays multiply the odds of every leg, and they multiply the book's vig too. Two -110 legs cost you about 9% in hidden margin, four legs about 17%. Here's the math, and the one case where a parlay is actually worth it.
Are profit boosts actually +EV?
Sometimes. A profit boost is only +EV when the boosted payout beats the bet's true no-vig odds. The exact math, the super boost trap, and the 5-second test, from someone who has logged 5,000+ of these.
Prefer it done for you?
The Lab runs this math on every prop on tonight's board, at every book quoting it, and shows the work on each one.