HomeRight ArrowNews

NBA Betting Promos for Opening Night: Top Sign-Up Bonus Offers for Tripleheader (Oct. 20)

NBA Betting Promos for Opening Night: Top Sign-Up Bonus Offers for Tripleheader (Oct. 20) article feature image
15 min read
Credit:

Action Network | Register with the best NBA betting promos and claim thousands in bonuses for the Opening Day tripleheader today.

The best NBA betting promos are lined up for opening night, and Tuesday's NBC tripleheader gives you three national TV games to use them on. Celtics vs. Pistons tips at 3 p.m. ET, 76ers vs. Knicks follows at 7 p.m. ET, and Thunder vs. Spurs closes the night at 9:30 p.m. ET. Here's every offer worth claiming for Tuesday, Oct. 20, 2026.

The league didn't ease into this one. Detroit, last season's top seed in the East, hosts a Boston team that just traded away Jaylen Brown. The Knicks raise their first championship banner since 1973 and then face a Philadelphia team debuting LeBron James and Brown. To finish, San Antonio and Oklahoma City run back a Western Conference Finals that went the full seven games.

None of these offers are tied to one game, so you can sign up before the afternoon tip and still have bonus bets ready for the night games. Claim your NBA betting promos first, then scroll down for the schedule, odds and my lean on all three matchups.

NBA SportsbooksNBA Betting PromosSign-Up Link
Fanatics Sportsbook$1,000 Bet Match in FanCashACTION26
BetMGM$1,500 First Bet OfferTOPACTION
bet365Bet $10, Get $200 Win or LoseClick Here
DraftKings Sportsbook$200 Bonus + 3 Months of NBA League PassClick Here
FanDuel SportsbookGet $350 in Bonus BetsClick Here
theScore Bet$1,000 Bet ResetACTNEWS
betPARX$50 in Bonus Bets or 200% Profit BoostTANBONUS
Hard Rock Bet$500 in No Sweat BetsClick Here
BetRiversUp to $500 2nd Chance BetClick Here
BorgataBet $20, Get $100ACTIONBSPORTS

Action Network Trusted Source Google

Top NBA Betting Promos for Opening Night

Each of the NBA betting promos below is for new customers only, and which ones you can claim depends on where you live. If you want a state-based view, check out the sportsbooks by state page and sign up with one or more platforms available in your location.

1. Fanatics Sportsbook

Fanatics spreads its welcome offer across your first 10 days. With the Fanatics Sportsbook promo code ACTION26, every daily cash wager of $1 or more gets matched in FanCash, up to $100 a day and $1,000 total. Opening night can be day one, and the first full week of the season gives you nine more days to keep stacking.

There are also two other NBA betting promos available for today from Fanatics Sportsbook: a $350 bet-and-get offer, and 10 100% Profit Boost Tokens in New York.

Fanatics Sportsbook PromoFanatics Sportsbook Sign-Up BonusFanatics Sportsbook Legal States
ACTION26Get Up To $1000 Matched in FanCash!AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, MO, NC, NJ, NY, OH, PA, TN, VA, VT, WV, WY
ACTION350Bet $20, Get $350 in FanCash!AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, MO, NC, NJ, OH, PA, TN, VA, VT, WV, WY
Click HereGet 10x100% Profit Boost Tokens Instantly!NY

2. BetMGM Sportsbook

The BetMGM bonus code TOPACTION backs your first bet with up to $1,500 in bonus bets if it loses. That's a useful cushion on a night when two of the three games are priced inside a field goal.

Depending on where you sign up, you may have access to other NBA betting promos. TANGET2 gets up to $1,000 in No Sweat Tokens over 10 days, and ACTIONGET pays $150 in bonus bets on a winning $10 bet in Michigan, New Jersey, Pennsylvania, and West Virginia.

BetMGM Bonus CodeBetMGM PromoBetMGM Legal States
TOPACTIONGet up to $1,500 Back in Bonus Bets if Your First Bet Doesn't Win!AZ, CO, DC, IA, IL, IN, LA, KS, KY, MA, MD, NC, OH, TN, VA, WY
TANGET2Get Up To $1,000 In No Sweat Tokens Over 10 Days Promotion!AZ, CO, DC, IA, IL, IN, LA, KS, KY, MD, MO, NC, OH, TN, VA, WY
ACTIONGETBet $10 Get $150 in Bonus Bets if You Win!MI, NJ, PA, WV

3. bet365 Sportsbook

bet365 keeps things simple. Sign up through our bet365 bonus code link, bet $10 on any game, and you'll get $200 in bonus bets whether that wager wins or loses. Put the $10 on the afternoon game, and you can carry the bonus bets into Knicks vs. 76ers and Thunder vs. Spurs.

Indiana gets the biggest offer from these NBA betting promos, $365 in bonus bets, win or lose. Michigan, New Jersey, and Pennsylvania add 50 casino spins to the $200; West Virginia gets $150 plus 50 spins, and Illinois and Tennessee get $150. bet365 also has a First Bet Safety Net worth up to $1,000 in bonus bets if you want to go big on one game.

bet365 Bonus Codebet365 Welcome Promobet365 Legal States
Click HereBet $10, Get $200 in Bonus Bets Win or Lose!AZ, CO, IA, KS, KY, LA, MD, MO, MI, NC, NJ, OH, PA, VA
Click HereGet a First Bet Safety Net up to $1,000 in Bonus Bets!AZ, CO, IA, IL, IN, KS, KY, LA, MD, MO, NC, OH, TN, VA
Click HereBet $10, Get $200 in Bonus Bets Win or Lose! + 50 Casino Spins!MI, NJ, PA
Click HereBet $10, Get $365 in Bonus Bets Win or Lose!IN
Click HereBet $10, Get $150 in Bonus Bets Win or Lose! + 50 Casino Spins!WV
Click HereBet $10, Get $150 in Bonus Bets Win or Lose!IL, TN

4. DraftKings Sportsbook

No offer on this list of NBA betting promos fits opening night better. Sign up through our DraftKings promo code link, place a $5 first bet and DraftKings gives you $200 in bonus bets, released as $50 every seven days over 21 days. You also get a code for three months of NBA League Pass at no cost.

That covers you well past Tuesday's NBC games, since League Pass is how you follow out-of-market teams through the first stretch of the season. Redeem the code by Dec. 19, and remember it renews at $16.99 a month unless you cancel.

DraftKings Promo CodeDraftKings Welcome OfferDraftKings Legal States
Click HereBet $5, Get $200 in Bonus Bets (Paid Over 21 Days) + 3 Months of NBA League Pass On Us!AR, AZ, CO, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, MO, NC, NJ, NY, OH, PA, TN, VA, VT, WV, WY

5. FanDuel Sportsbook

The FanDuel promo code offer rewards bettors who stick around for the first week of the season. Wager $5 on five straight days and FanDuel gives you $350 in bonus bets, which expire five days after they land.

The tripleheader can count as day one, and opening week has plenty of games to finish the streak. It's live in 25 states, one of the widest footprints of any offer here.

FanDuel Promo CodeFanDuel Sign-Up BonusFanDuel Legal States
Click HereGet $350 in Bonus Bets!AR, AZ, CO, CT, DC, IL, IA, IN, KS, KY, LA, MA, MD, MI, MO, NC, NJ, NY, OH, PA, TN, VA, VT, WV, WY

6. theScore Bet

The theScore Bet promo code ACTNEWS sets you up with a bet reset worth up to $1,000. If your first wager loses, you get the stake back in bonus bets.

In Michigan, New Jersey, Pennsylvania, and West Virginia, the same code instead pays $100 in bonus bets when a $10 first bet wins, so that's the version Pistons fans in Michigan will see.

theScore Bet Promo CodetheScore Bet Welcome OffertheScore Bet Legal States
ACTNEWSBet Reset up to $1000!AZ, CO, IA, IL, IN, KS, KY, LA, MA, MD, MO, NC, OH, TN, VA
ACTNEWSBet $10, Get $100 in Bonus Bets If You Win!MI, NJ, PA, WV

7. betPARX

betPARX is for Pennsylvania bettors only, and it lets you pick your own reward.

Use the betPARX promo code TANBONUS, bet $25 and take either $50 in bonus bets or one 200% profit boost. Sixers fans may want to save the boost for a LeBron prop at the Garden.

betPARX Promo CodebetPARX Sign-Up OfferbetPARX Legal States
TANBONUSBet $25, Get $50 in Bonus Bets, or 200% Profit Boost!PA

8. Hard Rock Bet

Hard Rock Bet is live in Michigan and New Jersey, where a $5 qualifying bet unlocks $500 in No Sweat Bets.

For Michigan bettors, it's clear that the Hard Rock Bet promo code provides a long runway of protected Pistons bets well past opening night.

Hard Rock Bet Promo CodeHard Rock Bet Welcome BonusHard Rock Bet Legal States
Click HereBet $5, Get $500 in No Sweat Bets!MI, NJ

9. BetRivers

The BetRivers bonus code gives you a second-chance bonus bet if your first wager loses, and the maximum depends on your state.

Michigan and Pennsylvania top out at $500, New Jersey at $250, and West Virginia at $100. A first deposit of $10 or more is required.

BetRivers Bonus CodeBetRivers Sign-Up BonusBetRivers Legal States
Click Here2nd Chance Bet: Get up to a $500 Bonus Bet!MI, PA
Click Here2nd Chance Bet: Get up to a $250 Bonus Bet!NJ
Click Here2nd Chance Bet: Get up to a $100 Bonus Bet!WV

10. Borgata

Borgata is for New Jersey bettors only. Sign up with the Borgata bonus code ACTION, bet $20 and collect $100 in bonus bets.

Knicks fans on the Jersey side of the Hudson can put that $20 on the banner-night game.

Borgata Bonus CodeBorgata Welcome OfferBorgata Legal States
ACTIONBSPORTSBet $20, Get $100 in Bonus Bets!NJ

Use Prediction Markets to Trade the NBA Opening Night Tripleheader

None of the sportsbooks above operate in Texas or Oklahoma, so plenty of Spurs and Thunder fans can't use them for the nightcap. That's where prediction market apps come in, letting you buy and sell contracts on a game's result instead of placing a traditional wager with NBA betting promos.

Contracts trade between 1 cent and 99 cents and pay $1 if they hit, so the price tells you how likely the market thinks an outcome is. Polymarket and Kalshi are both open in Texas, Oklahoma and New York, and our page on prediction market promos lists every current offer in this sphere.

1. Polymarket

New users who deposit $10 with the Polymarket promo code ACTION get a $25 trading bonus.

All three tripleheader games have markets on the winner, the spread and the total, and you can sell a position before the final buzzer if the price moves your way.

Polymarket Promo CodePolymarket Sign-Up BonusPolymarket States Available
ACTIONDeposit $10, Get a $25 Trading Bonus!AK, AL, AR, CA, CO, CT, DC, DE, FL, GA, HI, IA, ID, IN, KS, KY, LA, ME, MN, MO, MS, NC, ND, NE, NH, NJ, NM, NY, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WI, WV, WY

2. Kalshi

Sign up with the Kalshi promo code ACTION55, trade $25 and Kalshi adds $55 to your account.

It isn't offered in Arizona, Illinois, Massachusetts, Maryland, Michigan, Montana, Nevada, Ohio or Washington, which rules out a lot of Celtics and Pistons fans. Check the state list below before you register.

Kalshi Promo CodeKalshi Sign-Up BonusKalshi States Available
ACTION55Trade $25, Get $55!AK, AL, AR, CA, CO, CT, DC, DE, FL, GA, HI, IA, ID, IN, KS, KY, LA, ME, MN, MO, MS, NC, ND, NE, NH, NJ, NM, NY, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WI, WV, WY

NBA Opening Night Tripleheader: Schedule, Odds & Predictions

All three games air on NBC and stream on Peacock. Lines can still move as injury reports update through the afternoon, so check your sportsbook or prediction market before you lock anything in.

GameTip-OffArenaHow to Watch
Celtics vs. Pistons3 p.m. ETLittle Caesars Arena, DetroitNBC, Peacock
76ers vs. Knicks7 p.m. ETMadison Square Garden, New YorkNBC, Peacock
Thunder vs. Spurs9:30 p.m. ETFrost Bank Center, San AntonioNBC, Peacock

Celtics vs. Pistons Odds and Prediction

  • Spread: Celtics around -1.5 | Pistons around +1.5
  • Moneyline: Celtics around -120 | Pistons around +100
  • Total: around 222.5
  • Celtics vs. Pistons prediction: Pistons Moneyline (Around +100)

Detroit went 60-22 last season as the East's top seed, and it kept the core together by locking up Jalen Duren and Ausar Thompson on new deals. Boston looks very different. Brown is gone to Philadelphia, Paul George and Mitchell Robinson make their Celtics debuts on the road, and Devin Carter is out with an illness. Jayson Tatum's return from the Achilles tear he suffered in the 2025 playoffs is the reason Boston is a slight favorite, and I get it. Still, Detroit forced more turnovers than any team last season and held opponents to the third-lowest field goal percentage, and that's a tough first test for a rebuilt lineup. I'll take the more settled team at home at close to even money.

76ers vs. Knicks Odds and Lean

  • Spread: Knicks around -4.5 | 76ers around +4.5
  • Moneyline: Knicks around -180 | 76ers around +150
  • Total: around 232.5
  • 76ers vs. Knicks prediction: Knicks -4.5

New York went 53-29, swept Philadelphia in the East semifinals and beat the Spurs 4-1 in the Finals. Most of that rotation is back, with Andre Drummond in for Robinson, and the Knicks have nobody on the injury report. Philadelphia signed LeBron and traded George to Boston for Brown, but the projected starting five of Tyrese Maxey, VJ Edgecombe, Brown, LeBron and Joel Embiid played together in just one preseason game. Anfernee Simons, Adem Bona and Dean Wade are questionable, and Tacko Fall, Ariel Hukporti, and Dominick Barlow are out, which leaves very little size behind Embiid. This line opened at Knicks -5.5 in August and has dropped to around -4.5 with most of the tickets on Philadelphia. I'll take the cheaper number with the champs on banner night.

Thunder vs. Spurs Odds and Lean

  • Spread: Spurs around -2.5 | Thunder around +2.5
  • Moneyline: Spurs around -125 | Thunder around +105
  • Total: around 231.5
  • Thunder vs. Spurs prediction: Spurs -2.5 and Under 231.5

San Antonio won the West Finals with a 111-103 Game 7 in Oklahoma City and took eight of 12 meetings with the Thunder overall last season. Mitch Johnson is starting De'Aaron Fox, Stephon Castle, Dylan Harper, Devin Vassell, and Victor Wembanyama, so Tobias Harris (calf) being out doesn't change much. Chet Holmgren came off the injury report after missing the preseason with a quad injury and is expected to play, but OKC traded Lu Dort, Isaiah Joe, and Aaron Wiggins this summer and is also without Nikola Topic, Thomas Sorber, and Otega Oweh. Shai Gilgeous-Alexander, the two-time reigning MVP, keeps the Thunder dangerous. Even so, OKC had the league's best defensive rating last season, and Wembanyama is the reigning Defensive Player of the Year, so I expect a grind. I'm on the Spurs at home, and I'd grab -1.5 if your book has it, along with the Under.

Author Profile
About the Author
Lee Tran • Verified Action Expert

This site contains commercial content. We may be compensated for the links provided on this page. The content on this page is for informational purposes only. Action Network makes no representation or warranty as to the accuracy of the information given or the outcome of any game or event.