Mammoth vs Avalanche Prediction, Picks & Odds (Sep 20) | WGT
The Wise Guy Desk · NHL
Utah Mammoth logo@Colorado Avalanche logo
This game has ended. Final: Utah Mammoth 1, Colorado Avalanche 4. The preview below is archived exactly as it was published before the game. Browse the September 2026 NHL archive →
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Mammoth vs Avalanche Prediction & Odds (Sep 20)

Quick answer
Utah Mammoth vs Colorado Avalanche at Ball Arena has ended. Final: Utah Mammoth 1, Colorado Avalanche 4. The Desk's lean before the start: Colorado Avalanche moneyline once it posts, shopped for the best number across books. Injury report: COL Cale Makar (Out) and 1 more.
From the numbers on this page, compiled by the Wise Guy Desk. Page content last changed September 21, 2026.
Utah Mammoth vs Colorado Avalanche: Colorado is down its best defenseman and the books have not hung a number yet, but the Desk still leans Avalanche at home in Denver. · Ball Arena
The lean: Colorado Avalanche moneyline once it posts, shopped for the best number across books
Puck dropSun, Sep 20, 7:00 PM ET

Exchange buyers before puck drop: which side buyers took (Kalshi, Polymarket (international), Novig, ProphetX)

These are exchange trades, not sportsbook bets. On an exchange every trade has a buyer and a seller, so this shows which side buyers paid for.

How to read these numbers

Kalshi, Polymarket (international) and Novig publish every trade with the side the buyer took. ProphetX carries its trade fills the same way; a line with no captured fill shows dollars matched only. Trades is each side's share of the trades we read since we began reading the market and Money is its share of the dollars buyers paid. Markets with fewer than 10 trades or under $500 traded are left out; markets under 30 trades or $5,000 are labelled Light trading, because a few buyers can move the percentages a long way.

Kalshi
Moneyline$2.3k traded · 207 trades
Utah MammothColorado Avalanche
Trades
Money
Light trading: $2.3k so far, percentages can swing
Spread$1.1k traded · 27 trades
Utah Mammoth +1.5Colorado Avalanche -1.5
Trades
Money
Light trading: $1.1k so far, percentages can swing
Total 6.5$709 traded · 12 trades
Over 6.5Under 6.5
Trades
Money
Light trading: $709 so far, percentages can swing

Last read before puck drop .

Colorado Avalanche win price on Kalshi and Polymarket (international) as puck drop neared

Colorado Avalanche to win, from 167 hours before the start to 19 min before the start: Kalshi 50% to 61%; Polymarket (international) 69% to 61%. These are exchange prices, read as the chance the market gave Colorado Avalanche, not sportsbook odds. Polymarket (international) is not open to US bettors.

Colorado Avalanche win price on Kalshi and Polymarket (international) as puck drop nearedColorado Avalanche to win, from 167 hours before the start to 19 min before the start: Kalshi 50% to 61%; Polymarket (international) 69% to 61%.
KalshiPolymarket (international)Scale 50% to 70%
🛈 Wise Guy Desk analysis - not an official play. A free breakdown to help you find value and bet the best number. Ross's documented plays are graded win or loss on the members board.
📘 New to betting? Two-minute translation. A moneyline bet is picking who wins, nothing else. A plus number is the underdog; a minus number is the favorite. The spread is a head start: -7.5 must win by 8+, while +7.5 cashes by losing by 7 or fewer (or winning). The total is combined points by both teams, over or under the books' number. +EV means the price pays better than the market-implied fair odds (vig removed); consistently taking better prices raises your expected return over time. Learn free: Sports Betting 101 · Odds converter · No-vig calculator

No Price, No Makar, Plenty To Chew On

Colorado's most recognizable defenseman is already ruled out, and no sportsbook has posted a single number on this game. That is the setup bettors should actually care about, because the first prices to hit the board on a night with a headline scratch are the softest prices of the day. Utah Mammoth at Colorado Avalanche, Sunday, September 20, 2026, 7:00 PM ET at Ball Arena. Here is how we are reading it before the market speaks.

The Matchup

As of publication both clubs sit at 0-0-0. Read that literally: nobody has played a game yet, so there is no form, no season series, and no standings information to lean on. The event is listed on the 2027 season calendar as season type 1, which is the preseason slate. That matters more than most previews admit. Preseason rosters are half regulars and half auditions, goalies often split the night, and coaches make decisions that have nothing to do with winning. Anyone selling you a trend for Avalanche vs Mammoth here is selling you air. What is real is the venue (Ball Arena, Colorado's building) and the injury sheet.

Players to Watch

No statistical leaders have been published for either side, so we will not pretend to have them. The two names that are confirmed are the two on Colorado's injury report. Cale Makar is out. He is the player casual bettors buy a ticket for, and his absence is the single loudest piece of information attached to this game. Trent Miner is also out, which thins the home goaltending depth chart on a night when minutes are usually shared. For Utah, no injury designations have been provided, so we treat their group as intact until a report says otherwise.

The Numbers

There is nothing to grade yet, and we are not going to invent a line. So here is the menu you will see when it opens. The moneyline is simply picking the winner, with no goal margin attached. The puck line is hockey's spread, standardized at 1.5 goals, so a favorite must win by two or more and an underdog stays alive by losing by exactly one or winning outright.

The total, also called the over/under, is the combined goals scored by both teams. Every one of those prices carries vig, the bookmaker's built-in commission, which is why the two sides of a market always add up to more than one hundred percent. Each price also carries a break-even rate, the percentage of the time you must win that exact bet just to stay level. Since no price exists for Mammoth vs Avalanche, no break-even can be quoted, and we will not guess one.

Where the Value Is

Our lean is Colorado, and we want to be precise about why. This is a matchup lean, not a price edge, because there is no price. The no-vig number, meaning the market-implied probability with the commission stripped out, cannot be calculated on an empty board. Expected value is what a bet returns on average per $100 risked, and you cannot compute it against a number that does not exist. So the discipline here is simple. We like the home side in Denver. We will only back it at a number we are comfortable with, and if the opener comes out steep, we pass without argument.

Injuries

Two names, both Colorado. Cale Makar is out and Trent Miner is out. Out means exactly that, ruled out, not a coin flip. No Utah designations have been provided.

The Pick

Desk lean: Colorado Avalanche moneyline, to be taken when it posts. No book has hung a price, so the instruction is the shopping itself. Check several sportsbooks, take the best available number, and understand that a few cents of price on the same side is the difference between a good bet and a coin flip with a tax.

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The Prediction

Colorado 4, Utah 2. Home ice, home depth, and a Utah side that has to prove it can hang in a building like this one before the market respects it. That is the read on this number before it exists; the Desk posts a documented free play on days like this, and it sits right below.

Injury Report

COLCale Makar (Out), Trent Miner (Out)

Mammoth vs Avalanche FAQ

Who was favored in Mammoth vs Avalanche?

Colorado is down its best defenseman and the books have not hung a number yet, but the Desk still leans Avalanche at home in Denver.

What was the pregame read on Avalanche vs Mammoth?

Colorado is down its best defenseman and the books have not hung a number yet, but the Desk still leans Avalanche at home in Denver. The full read, including a projected final score, is in The Prediction section above.

Are these NHL picks free?

Yes. This is a free Wise Guy Desk breakdown, our analysis, not Ross's official plays. Ross's documented plays are bet with real money and graded win or loss on the members board.

How does the Wise Guy Desk find value in NHL games?

Expected value first: the best price across the regulated US books we track versus the true fair price with the vig removed, then the matchup data (form, standings, injuries, key players). Line shopping for the best number is the edge most bettors leave on the table.

Around this game

This preview was produced with AI assistance from live data feeds and reviewed by automated checks. Odds and availability change constantly and may differ from what's shown - always verify the current line at your sportsbook before betting. Found an error? memberservice@wiseguyteam.com.
21+. For entertainment and educational purposes, not financial advice. Wise Guy Desk reads are analysis, not guaranteed outcomes. If gambling stops being fun, take a break. 1-800-GAMBLER.

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