76ers vs Celtics Win Probability for Game 2 at Prediction Markets

Kyle LaRusic - Betting Analyst at Covers.com
Kyle LaRusic • Betting Analyst 5+ years betting experience
Updated: Apr 21, 2026 , 11:29 AM ET • 4 min read

Raptors vs. Celtics win probability markets like Kalshi are siding with the Celtics, and we couldn't agree more.

Jayson Tatum (0) drives to the basket against Philadelphia 76ers center Andre Drummond (1).
Photo By - Reuters Connect. Jayson Tatum (0) drives to the basket against Philadelphia 76ers center Andre Drummond (1).

The Boston Celtics handled the Joel Embiid-less Philadelphia 76ers with ease in Game 1, and they should have no problem doing so again tonight in Game 2.

Our 76ers vs. Celtics predictions and NBA picks expect another dominant C's win on April 21.

Who will win 76ers vs Celtics Game 2?

76ers win probability: 12% (+733)
Celtics win probability: 88% (-735)

After Boston checked the 76ers' asses directly into the Smackdown hotel in Game 1, the Celtics are 88¢ favorites to take a commanding 2-0 series lead.

Our prediction: Celtics to win

Joel Embiid is officially ruled out for Game 2, and Adem Bona and Andre Drummond ain't gonna cut it.

With a bounty of respect for the veteran center, Philadelphia is relying too much on Drummond to be taken seriously in the playoffs in 2026. 

The 76ers have little choice but to play Drummond, but that reality dooms them to waiting for a blowout in which their offense eventually becomes a liability. 

Read more in Jason Logan's full 76ers vs. Celtics predictions.

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More 76ers vs Celtics prediction markets

You're certainly not limited to the main game outcome for 76ers vs. Celtics at Kalshi; you also have options to trade on the spread, total, and more, among other NBA odds markets.

You can buy either side of a market — for example, "Yes" on the Celtics -15.5 spread means the Celtics will cover, while "No" means the 76ers will cover — with each side priced based on the implied probability (which can be converted to American, Decimal, or Fraction odds using the Covers odds converter).

76ers vs Celtics spread and total at prediction markets

Outcome Yes No
Celtics -15.5 46¢ (+117) 55¢ (-122)
Over 216.5 points 51¢ (-104) 50¢ (+100)

Our predictions: Celtics -15.5 — Yes and Over 216.5 points — No

Without Embiid, the 76ers' offense lacks any real depth to help the Celtics push this Over the total.

Other 76ers vs Celtics prediction markets available

What is Kalshi and how does it work?

Kalshi is a federally regulated U.S. exchange where you trade directly on the outcome of real-world future events. Instead of traditional bets, you trade "Event Contracts" which are simple Yes/No questions like "Will the Celtics win tonight?" These events are priced between $0.01 and $0.99, and the prices reflect the market’s estimated probability of that event occurring. For instance, $0.55 equals a 55% chance. If your prediction is correct, the contract pays out exactly $1.00; if not, it settles at $0. Kalshi is essentially a stock market for reality.

How does Kalshi differ from sportsbooks?

In a sportsbook, you bet against the bookmaker, who sets fixed odds and takes a "vig," which is a kind of commission. On Kalshi, you trade against other users. This peer-to-peer model means prices are driven by supply and demand, often resulting in fairer odds. Additionally, because these are financial derivatives, you can exit your position early. If your team takes a 14-point lead, the contract price will rise, allowing you to sell your "Yes" shares for a profit before the final whistle even blows.

Why should I wager on 76ers vs Celtics at Kalshi?

Kalshi offers four unique advantages over traditional sportsbooks:

  1. Flexibility: Unlike a "locked-in" bet, you can sell your contract at any time.

  2. Transparency: You trade against other users, which can allow you to find better value.

  3. Federal regulation: As a CFTC-regulated exchange, your funds are held in a secure, transparent environment.

  4. Availability: Kalshi is available in 49 states (excluding Nevada) and D.C., including many regions where traditional sportsbooks aren't yet legal.

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Kyle LaRusic - Covers
Betting Analyst

Kyle LaRusic joined Covers in 2020 with a Holland College diploma in Journalism and a Mount Saint Vincent Degree in Public Relations. Stints at Amherst News and the Cape Breton Post helped sharpen his skills in a newsroom setting, while working for MSVU and Dalhousie’s athletic departments landed Kyle in his comfort zone.

Kyle has been an avid bettor for over five years, starting with just one Sports Interaction account before discovering both the beauty and importance of price shopping. bet365 and Pinnacle are his go to books, but accounts at 10+ sportsbooks give him an array of options. “Rusty” will bet on anything under the sun as long as there’s value and good reasoning behind it, but NHL and NFL are his two favorite leagues to watch and wager on — especially with friends.

Kyle’s biggest tip for any bettor is simple: gamble responsibly. Only bet what you’re willing to lose and make sure to install a proper bankroll method to keep track of your ROI. If you’re still dwelling on the amount you lost the next day, it’s time to decrease your spending.

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