7SPIN Sportsbook Explained: How a Slip and a Price Actually Work

A sportsbook explained properly starts with what a slip actually locks in the moment you place it, and what still depends on a result nobody controls yet. Two numbers are fixed at the point of the bet: the stake you put down and the price attached to the selection. Everything below walks through how those two numbers turn into a return, how a price is quoted in three different formats, what margin sits inside it, when a bet voids instead of settling, and how stacking selections into a multiple changes both the reward and the risk.

A 7SPIN Sportsbook Explained: What a Slip Actually Commits

Two things are fixed the instant a slip is placed: the stake and the price. The result, and therefore the return, is not decided until the event finishes. That gap between placing and settling is the entire risk in a sports bet, and it’s why reading the numbers before confirming matters more than reading them after.

What’s fixed at placement	What’s still open
Stake	Final result
Price (odds)	Return amount, until settlement
Selection	Win, loss, push or void

Take a stake of ₱500 at decimal odds of 1.80. The return if the selection wins is stake × odds: ₱500 × 1.80 = ₱900, a profit of ₱400. If the selection loses, the return is ₱0 and the ₱500 stake is gone. Nothing about that arithmetic changes once the slip is placed — only the result is still unknown.

The Three Odds Formats and How to Convert Between Them

The same price can be printed three ways, and all three describe one number.

Format	Example	What it directly shows
Decimal	2.50	Total return per 1 unit staked, stake included
Fractional	3/2	Profit per unit staked, stake excluded
American	+150	Profit on a 100-unit stake

1. Decimal to fractional: subtract 1, then read the result as a fraction over 1. 2.50 − 1 = 1.50 = 3/2.
2. Fractional to decimal: divide the fraction, then add 1. 3 ÷ 2 = 1.5, +1 = 2.50.
3. Decimal to American, at 2.00 or above: (decimal − 1) × 100. (2.50 − 1) × 100 = +150.
4. Decimal to American, below 2.00: −100 ÷ (decimal − 1). At 1.80: −100 ÷ 0.80 = −125.
5. American to decimal, from a positive number: divide by 100, then add 1. +150 ÷ 100 = 1.50, +1 = 2.50.
6. American to decimal, from a negative number: divide 100 by the number without its minus sign, then add 1. −125: 100 ÷ 125 = 0.80, +1 = 1.80.

What the Margin in a Price Represents

Every price carries a margin, and the fastest way to see it is to turn each side of a market back into an implied probability: 1 divided by the decimal odds. A fair, two-outcome market with no margin at all would have both sides add up to exactly 100%. At decimal odds of 1.90 on both sides, each implied probability is 1 ÷ 1.90 = 52.6%, and the two together total 105.3%. That extra 5.3% is the margin — the built-in edge sitting inside the price, present whether the bet wins or loses.

When a Bet Is Void and What Happens to the Stake

A void is not a loss. It’s a decision that no result can be settled fairly, so the stake is returned instead of risked.

1. The event never starts — postponed, cancelled, or the selection withdraws before it begins.
2. A price is posted in clear error and corrected before the bet is accepted.
3. A market-specific rule removes the basis for a selection, such as a named participant not taking part.

Problem	Fix
Event abandoned before a settleable result exists	Stake returned in full; no win or loss recorded
Selection withdrawn before the event starts	Stake returned in full on that selection; on a multiple, that leg is treated as won at odds of 1.00
Price posted in error	Bet voided before acceptance; the stake never leaves the account

How a Multiple Bet Compounds Both Return and Risk

A multiple combines several selections into one slip, and the odds multiply together before the stake ever gets applied. Take three legs, each at decimal odds of 1.50: combined odds are 1.50 × 1.50 × 1.50 = 3.375. A ₱200 stake returns ₱200 × 3.375 = ₱675, a profit of ₱475 — bigger than any single leg could pay on its own.

Legs won	What happens to the ₱200 stake
3 of 3	Paid in full at the combined odds — ₱675 back
2 of 3	The entire multiple loses; the stake is gone
Same three legs staked separately at ₱200 each	Each ₱600 total risk settles on its own leg, independent of the other two

Where 7SPIN’s Lobby Sorts a Sports Market

7SPIN’s lobby sorts every game into eight filters — LIVE, SLOT, FISHING, CARD, LOTTERY, SPORTS, Sabong and Other — verified 2026-09-23. SPORTS is where a market list would start; nothing in this guide depends on any specific market, sport or price sitting behind that filter, because those change by the minute and this page is about the arithmetic that outlasts any single one. Opening a 7SPIN account is the same step whichever filter gets used first. The mechanics above apply to a sports price wherever it’s read, on that filter or any other sportsbook’s screen.

Where to Go Next

Live casino table rules follow a similar settlement logic to a sportsbook slip — a dealt result rather than a computed one — for anyone comparing the two sides of a lobby. This site’s glossary of betting and casino terms covers bankroll management for betting as a separate topic, worth reading before sizing any stake, sports or otherwise. The payment methods this site covers are unchanged by which game type funds them. The three pages below turn every mechanic above into its own worked page.

1. Asian handicap explained — how an asian handicap splits a single stake across two neighbouring lines instead of one.
2. Live betting on a sportsbook — how a live betting sportsbook accepts, re-offers or declines a bet once a price starts moving.
3. Over under betting explained — how a totals line is counted, and exactly what a push does to the stake.