As of September 16, 2026, the newest thing on the Jalen Duren board is a mood, and the newest thing on Kalshi's Detroit contract is a round trip that nobody reported. Marc Spears said on ESPN's NBA Today on Monday that for Duren "it's not about money right now" and that "he feels disrespected," that the Kings' general manager, Scott Perry, has a relationship with him dating to the draft, and that he does not know whether the Pistons can repair it before camp. Brendan Haywood, the former NBA champion, told him to take the $190 million in remarks relayed Tuesday. Neither is a report, and Spears's doubt about fixing it in time is the one line of the week that points away from Detroit. Even it runs into the mechanism tested here since August: Duren is a restricted free agent, Detroit can match any offer sheet, Detroit has refused every sign-and-trade conversation, and the qualifying offer he is reportedly leaning toward is a Detroit contract whether or not the mood is ever repaired. That is why the frozen, price-blind panel numbers from August 20 did not move. Feelings do not resolve this contract; the match right and the calendar do.
The price took the round trip anyway. When this page read the book at 8:50 PM Eastern on Monday, the Detroit contract had a 32-cent bid under an 82-cent ask, a book 50 cents wide, and Monday's daily bar closed on a 42-cent print, the lowest price on the row since August 30. Tuesday morning the row traded as low as 70 cents. Tuesday night it closed at 88 with the bid at 82, and at this read the book is 81 to sell and 89 to buy, the bid four cents under where it closed on Sunday. In one day the market's chance that Duren stays in Detroit through October 21 went from a 42-cent close to an 88-cent close without a single new fact about the negotiation. Below is what happened to the price on Tuesday, the full board with the August 20 model numbers set against the live cents, what the Sacramento row did on the same day, and the calendar that settles all of it. The board moved back toward the panel's number on its own. The question is whether it can stay there for five more weeks.
New to Kalshi event markets? Start here → how Kalshi's yes/no contracts work. The board, with every frozen model number set against the live cents, lands further down, after the reporting that explains why the calendar matters more than the suitor.
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The Week The Standoff Got A Number
For most of the summer the fight had a shape but no figures. Tim MacMahon's September 1 report put the Pistons at about $35 million a year over five years against a Duren ask above $40 million and had Detroit firmly denying sign-and-trade inquiries. The two weeks since filled in the rest, in three steps that each pushed the same direction.
Step one was a tone. On September 8, Sam Amick said on The Athletic NBA Daily that "There is a gap. It's not as big as I thought it was before having a few recent conversations. It seems like there's a window here to get something done and put him back in a Pistons jersey," as Heavy relayed it. Step two was the qualifying offer becoming a live option rather than a threat: Marc Stein's September 10 note, relayed by Hoops Rumors and Detroit Sports Nation, quoted one source saying Duren is "increasingly prepared to play out the coming season on his $9.6 million qualifying offer, with the intent to become an unrestricted free agent next summer," if nothing is done by the end of September, while Stein himself flagged the skepticism about whether he actually would. Step three was the number. On September 11, Amick and Hunter Patterson of The Athletic reported that Duren had declined a five-year offer from the Pistons in the neighborhood of $190 million. Hoops Rumors summarized the report this way: Detroit "has actually gone higher" than the $35 million figure, "putting an offer on the table for the big man that would be worth in the neighborhood of $190MM over five years," against an ask of "$40MM+ per year, which means he'd want at least $200MM on a five-year deal." Duren declined it and is seriously considering the tender instead. The same report had him keeping his distance from the team this summer, skipping Cade Cunningham's August mini-camp and owner Tom Gores' Southern California party, and the same summary set the calendar plainly: "October 1 is the deadline for a player to sign his qualifying offer, though a team can push back that deadline if it so chooses." NBC Sports' relay added the detail that waiting until October 1 would cost him the first week of training camp.
Then the Kings. The Athletic classified Sacramento's interest as "very strong," said Duren "is intrigued by the idea of teaming up with rookie guard Darius Acuff Jr. in Sacramento," and counted three "very serious" suitors for the summer of 2027. It also ran the arithmetic that makes the qualifying offer rational: sign the $9.6 million tender now, sign a maximum deal with a rival team as an unrestricted free agent next July, and Duren would earn a projected $196.7 million over the next five seasons, which is more than the $190 million he just turned down. That is the whole argument for the Kings, and it is an argument about 2027. Nobody in the window reported an offer sheet, a sign-and-trade proposal Detroit was entertaining, or any change to the Pistons' stance on either. Anthony Slater's August line that Detroit had "nixed that idea completely" on a Kings sign-and-trade is still the last word on the only mechanism that could pay a Sacramento contract before October 21.
Since the number landed, the talk has been about feelings and advice rather than offers. Spears's Monday remarks on NBA Today, as Heavy transcribed them on Tuesday, ran: "Scott Perry has a relationship with Jalen Duren dating to when he was trying to get the Knicks to draft him which they did, but they traded him to the Pistons… Duren likes Scott Perry a lot, he likes Sacramento a lot, but the Pistons, they're focused on bringing him back, they have some optimism, but it's complicated. I just hear that Jalen, it's not about money right now." He went on: "He feels disrespected… There's a black cloud going into camp… they gotta try to fix it, and I don't know if they can in time." On Tuesday the former NBA champion Brendan Haywood, on Gil's Arena, gave the advice side, as Detroit Sports Nation relayed it: "Don't miss out on $190 million trying to chase that extra $10 million. If you got $190 million, you're going to live the same life. But if you don't get to $190 million, things can be a little different. If he goes into the season, we got to worry about injuries, injuries can change what they offer you." Neither is a report of a new offer, a meeting or a deadline. Spears's "some optimism" is the closest thing to a fact in either, and his "in time" is the closest thing to a warning. The qualifying offer answers both, because it is a Detroit contract that needs no repaired relationship to sign.
The mechanics have not moved either, and they are the thesis every edition of this board tests. Duren is a restricted free agent who finished his rookie-scale deal and was tendered the $9.6 million qualifying offer. A rival can sign him to an offer sheet, and Detroit can match it; Brian Windhorst said in August, "I don't think a sign-and-trade is really on the table," and MacMahon had the Pistons firmly denying inquiries. Under the league's rules a player who signs a new contract as a free agent, the qualifying offer included, cannot be traded until December 15 or three months after signing, whichever is later, which on the reported timeline means around the turn of the year, more than two months after this contract expires. So price the match right and you get the ceiling set here on August 20: any non-Detroit contract is worth, at most, the chance an offer sheet gets signed times the chance Detroit declines to match it, plus whatever you give a sign-and-trade Detroit has refused since June. Nothing said since September 11 changed any of those factors, which is why what the price did on Tuesday deserves its own section.
The Bid That Left Monday Came Back Tuesday
Monday night is where the last edition left the board: Detroit's last trade at 83 cents, a 32-cent bid under an 82-cent ask, and the real size on the buy side sitting all the way down at 23. A favorite with a 50-cent-wide book is a favorite the buy side has stepped away from, and it is the shape a thin market takes when traders would rather wait than commit. The wait did not last the night. Buyers were back at 81 and 82 within the hour, the bar closed with the bid at 53, and the last print of the day was 42, the lowest price on the row since the 41 of August 30.
Tuesday opened where Monday's last buyers left it, at 81. For the half hour or so after 10 AM Eastern the only price a seller could get was 70 to 75. By late evening Detroit was back to 87 and 88, and the day closed at 88 with the bid at 82: a 70-to-88 round trip with nothing reported in between.
At this read, 1:28 AM Eastern on Wednesday, September 16, the Detroit book is 81 bid, 89 ask, 87 last. The bid that walked away is back at 81, four cents under Sunday's 85 close, and there is real size resting from 78 down to 70, where Monday's real size sat at 23. On the sell side the 89 is a sliver and the size begins at 90, with a wall at 92, which is the same story the board told Monday: at both of this week's reads, anyone who wants to buy Detroit in size pays 88 or more. What changed is that the people willing to buy it from a seller are back, at 81 instead of 32.
Nobody here will tell you why. Spears spoke Monday, the day the bid thinned, and nothing was reported Tuesday between the 70-cent low and the 88-cent close. Kalshi's next-team boards are thin, and a thin board can go 50 cents wide and snap back on the decisions of a handful of traders. The honest reading is the one the order book gives directly: the offers with size on Detroit sat at 88 and above on Monday night and sit at 90 and above now, and Tuesday's 70 was the price a seller could get for a few minutes when the buy side had stepped out. A chance is not a mood, and the side of the book that sells Detroit never blinked.
The Full Board: Kalshi Price Vs. Five Models
A decoding note first: on Kalshi a price in cents is only roughly a probability in percent, and this board's raw last trades sum to 154 cents, with 29 of the 31 rows showing no bid at all. Read the last-trade column as direction, and read the bid and ask as the price. Five of the panel's eight models scored all 31 outcomes, the 30 teams plus a Retires / No Team contract, without seeing a single price; their numbers are frozen from August 20 and will be graded in public exactly as written. The rows without model-level numbers collapse into the panel's ~4.4% field bucket. The market column is as of September 16, 2026, at 1:28 AM ET.
| Outcome | Market (Sep 16) | Claude Fable | Claude Opus | Claude Sonnet | GLM | DeepSeek | Blend (Aug 20) |
|---|---|---|---|---|---|---|---|
| Detroit | 87¢ last (81 bid / 89 ask), back from a 70¢ low Tuesday morning | 88.2 | 88.2 | 88.1 | 91.1 | 90.3 | 89.2% |
| Sacramento | 11¢ last (9 bid / 18 ask), down from a 29¢ close Monday night | 2.5 | 3.0 | 3.5 | 2.5 | 2.5 | 2.8% |
| Golden State | 16¢ last (0 bid / 7 ask), a stale Monday print | — | — | — | — | — | inside the ~4.4% field bucket |
| Miami | 4¢ last (0 bid / 4 ask) | — | — | — | — | — | inside the ~4.4% field bucket |
| Orlando | 4¢ last (0 bid / 1 ask), a stale print | — | — | — | — | — | inside the ~4.4% field bucket |
| Houston | 3¢ last (0 bid / 3 ask) | — | — | — | — | — | inside the ~4.4% field bucket |
| New Orleans | 3¢ last (0 bid / 3 ask) | — | — | — | — | — | inside the ~4.4% field bucket |
| Charlotte | 2¢ last (0 bid / 2 ask) | — | — | — | — | — | inside the ~4.4% field bucket |
| LA Clippers | 2¢ last (0 bid / 2 ask) | — | — | — | — | — | inside the ~4.4% field bucket |
| Boston | 1¢ last (0 bid / 3 ask), down from the 23¢ print of September 5 | 1.5 | 1.7 | 1.5 | 1.5 | 1.0 | 1.4% |
| Brooklyn | 1¢ last (0 bid / 3 ask), after a 21¢ print on September 8 was sold back to a penny | 1.5 | 1.7 | 1.5 | 1.5 | 1.5 | 1.5% |
| LA Lakers | 1¢ (0 bid / 1 ask) | 0.7 | 0.8 | 0.5 | 0.5 | 0.8 | 0.7% |
| Rest Of Field (19 Outcomes) | Every row a 1¢ last on a 0-bid book, asks of 1¢ to 5¢ | — | — | — | — | — | balance of the ~4.4% bucket |
These are model estimates, not predictions of fact and not financial advice. The Blend column is the mean of each model's full-precision estimate, so a rounded row can average a tenth off the blend.
The row that carries the page is still the first one. Five price-blind models landed three points apart on Detroit because a restricted-free-agency market has one mechanism, the match right, that every model can reason about identically. Set that three-point spread against a week in which the same contract printed 42, 70 and 88 without a single fact moving, and you have the page's whole argument in two numbers: the models agree on the mechanism, and the crowd, for one night, stopped bidding on it and then thought better of it. Every model here is graded on real settlements: as of the September 15 scoreboard regeneration, on sports markets Claude Fable is 87.7% correct-side on 3,086 graded calls, Claude Opus 87.1% on 3,131, Claude Sonnet 86.6% on 3,117, DeepSeek 85.7% on 2,559, GLM 84.3% on 2,743.
Worked Example: What 87 Cents Is Worth On An 81-89 Book
On September 6 this page normalized the board three ways, off last trades, off bids and off asks, and the three answers bracketed the truth. On Monday the same arithmetic gave a nonsense answer, because the favorite's bid had fallen to 32 and the bid column read 32 and 9. Wednesday morning it runs again, and every answer is a lesson in what the arithmetic cannot do. Divide Detroit's 87-cent last trade by the board's 154-cent raw sum and the crowd's normalized number comes out at 56.5%, dragged down by 29 rows whose last trades are stale prints with no bid under them. Run it on the bids and you get 81 divided by 90, or 90.0%, an artifact in the other direction: only two rows on the entire board carry a bid at all, Detroit's 81 and Sacramento's 9, so that figure measures how much of the board's bid money sits on Detroit, not how likely the crowd thinks Detroit is. Run it on the asks and Detroit's 89 over a 159-cent sum comes out at 56.0%, and here the arithmetic gives away its own trick: the Golden State ask fell from 51 cents to 7 between Monday and Wednesday with no trade at all, which took 44 cents out of the denominator and moved the "probability" a screen would quote without anyone buying or selling a thing. The number a trader can use is the one the book gives directly, 81 to sell and 89 to buy, which is why we convert Kalshi's cents into real odds from the side of the book you would actually trade on, never from the midpoint, and never from a row that has no bid.
More live boards from the same panel: Jonathan Kuminga next team (resolved to Minnesota on August 26, the other big restricted-free-agent board, now graded) · Kawhi Leonard next team (settled Toronto at 10:25 AM ET on September 15, the trade saga this lane tracked one signature from the end) · Steph Curry next team (Golden State 96¢ last on a 96-97 book at this page's September 16 read, the stays-put board from the same lane). Prices fetched early on September 16, 2026.
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Sacramento, And Which Summer The Kings Are Buying
The Kings row is the panel's one real flex on this board, and last week it became the row the whole board is about. On August 20 every model made Sacramento the leader of the field at 2.5 to 3.5% against a one-penny market, on the only concrete reported path in the saga: Duren met with the Kings to pursue a sign-and-trade at the start of free agency.
Sacramento is the only suitor Duren is reported to have actually met with about a sign-and-trade, so even with Detroit blocking the path, the Kings deserve clear separation from a penny-floor field. — Claude Sonnet
(One correction to Sonnet's phrasing: the Lakers also met with Duren in the hours after free agency opened, so Sacramento is the suitor whose reported path stayed open longest, not the only meeting.)
The crowd has now taken that correct idea and run through it again and again. Buying swept the Kings from the floor to 15 cents on August 26, to 43 on September 3, to 36 on September 4, to 13 twice on September 7, to 23 on September 11, to 43 and 37 on September 13, and to 44 on Monday, and after every burst the row has been sold back to single digits within a day. Tuesday was no different. The row closed Monday at 29 and opened Tuesday at 31, then spent the afternoon trading at 11 and 12 cents, which is where the day's real money went in. In the evening it climbed to 28 again, was sold straight back to 9, bounced to 25 before midnight, and the last trade before this read was 11 cents. The book at the read is 9 bid, 18 ask, and above the 18 the offers to sell the Kings stack up at 28, 29 and 43 cents, which is to say that the traders with size on this row are the ones betting against a Sacramento resolution. Spears's Monday line about Scott Perry is the newest reason to like the Kings, and it is one more reason about 2027: the Kings can get up to max cap space next summer, Perry has Duren's name "with highlighter pen," and the plan works "if Duren were willing to take the QO," as Slater put it on September 1. Stein's September 10 report says he increasingly is. The Athletic's September 11 report says the Kings' interest is "very strong," that Duren is intrigued by Acuff, and that the qualifying-offer route projects to $196.7 million over five years against the $190 million he declined. Every one of those sentences makes Sacramento more likely to be Duren's team in October 2027. Not one of them describes a way for Sacramento to be his team before October 21, 2026, because the only such way is a sign-and-trade, and the Pistons' position on that, per MacMahon, Windhorst and Slater, has been no all summer.
The one honest argument for the Sacramento row is the Athletic's own caveat about risk: a player who intends to leave for nothing next summer gives his team a reason to move him first. It is a 2027 argument too. Under the trade rule above, a signed qualifying offer makes Duren untradeable until around the turn of the year, and the Pistons cannot sign-and-trade a player who has already signed the tender, so the only version of that risk that could land inside this contract's window is a sign-and-trade agreed before the October 20 close, which is the exact thing Detroit has refused all summer. The panel's 2.8% is a bet that the refusal holds for five more weeks. The market's 11 cents, on a book where the sellers have the size, has drifted most of the way back toward it.
Golden State, And A Price That Moved With No Trade
Recall the lesson the September 5 Boston sweep taught, when a single buyer swept the row to 23 cents in one second, left a book with no bid under it, and watched the row go back to a penny within the week. Boston is 1 cent on a 0-bid, 3-ask book now, and there has still never been a Boston report in the saga beyond Jake Fischer's June 30 line, on The Stein Line's free-agency stream, that Duren's side had "some interest in a potential sign-and-trade exit, not to L.A., not to Sacramento, but to Boston." Golden State is the version of that lesson only an order book can show. A single early-morning sweep on September 14 topped out at 16 cents on a trade too small to mean anything, and that print is still the row's last trade; there is no reported Golden State interest in the Duren saga. Between Monday night and this Wednesday read the row did not trade once, and its best offer fell from 51 cents to 7 anyway, because somebody posted a new offer at 7 and undercut the 51 by 44 cents without a single trade. A row lost 44 cents of quoted price with nobody buying or selling anything, and any screen that averages this board's asks into a probability moved with it. That is the reason the last-trade column on the board above is labeled direction and the bid and ask are labeled price.
The rule this week adds to the three kept here since August is about the favorite, and Tuesday is its proof: when the favorite's bid steps away, read the favorite off its ask side and its resting depth, because that is the side still telling the truth. The offers with size sat at 88 to 90 through Monday night while the bid said 32, and by Tuesday night the trades were printing at 87 and 88. Sacramento at 1 cent on August 20 was the one place the models made a real, gradeable claim against the crowd. Detroit's 32-cent bid on Monday night was the one place the crowd stopped making any claim at all, and it lasted less than a day.
What Settles It, And When
Everything above is a snapshot of a board that could resolve any day, so the honest close is the calendar, the rules and the triggers, not a prediction. Kalshi's rules read the same on every row of this board: "If Jalen Duren officially retires before Oct 21, 2026 or is not on any team on Oct 21, 2026, 'Retires / No Team' resolves to Yes. If Jalen Duren remains on the team they were on upon issuance on Oct 21, 2026, then the market for that team will resolve Yes." A new deal with Detroit, a matched offer sheet, or the qualifying offer all land on that second sentence; an offer sheet Detroit declines to match or a completed sign-and-trade are the only paths that pay another team. There is a third path the reporting does not dwell on: Duren signing nothing, with the qualifying-offer deadline pushed back, and sitting on October 21 as an unsigned restricted free agent whose rights Detroit still holds. Whether Kalshi would call that remaining on the team or not on any team is not spelled out in the rules, and the 1-cent Retires / No Team row says nobody is pricing it. The reporting of the past week moved the standoff toward the qualifying offer, which is a Detroit outcome that hands the Kings the summer they are actually planning for.
| Late September 2026 | Stein's reported deadline for Duren's camp, "the end of September," and the point past which NBC Sports' relay of The Athletic says waiting costs him the first week of training camp |
| October 1, 2026 | The deadline for a player to sign his qualifying offer; per The Athletic and CBS Sports the team can push it back, though not past March 1 |
| October 20-21, 2026 | Trading closes at 11:59 PM ET on October 20, the day the 2026-27 season tips off; the rules read Duren's roster as of October 21, and Kalshi's listed expiration is October 28; a move after October 21 does not count |
| Re-Score Trigger | The August 20 numbers stay frozen for grading; a fresh, separately graded run is triggered only when a fact moves: a signed deal, a matched sheet, a completed sign-and-trade, or the QO. As of September 16, none has occurred |
The first row to watch is the end of September, but the window is longer than it looks: trading runs to 11:59 PM ET on October 20, the rules read the roster the next day, and Detroit can push the qualifying-offer date back, so a sign-and-trade or an unmatched offer sheet has five weeks to land, not two. The surprise the reporting now leans toward, Duren signing the tender, decides the board for Detroit and starts the Kings' clock on a contract Kalshi has not listed yet. The prices are positioned for that calendar again: Detroit at 87 cents with a bid at 81, the sellers of Detroit still asking 90 and up for size, and the Kings offered at 28 and 29 cents by traders taking the other side of Sacramento. The Athletic's projection that the tender route is worth $196.7 million over five seasons is the one number of the past week that explains both the Kings buying and why the buying is early. The season then opens October 20, per the league's released schedule, with Detroit hosting Boston at 3 PM ET, and the rules read the roster the next day with Duren, on every reported path that ends in a signature, in the home locker room.
Only the Detroit contract carries a two-sided book with any depth, and this week showed how fast even that book can go 50 cents wide and come back, so getting in or out at your number is never a given. Kalshi is an event-contract exchange, not a sportsbook, and nothing here is a recommendation to trade.
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The Bottom Line
The standoff has its numbers, a declined $190 million offer against a $200 million ask and a $9.6 million tender that Stein says Duren is increasingly prepared to sign, and since Monday it has a mood too, Spears's "he feels disrespected." What it does not have is a single reported path that puts Duren on another roster before October 21, 2026, and the price found its way back to that on its own: Detroit closed Monday at 42, traded as low as 70 on Tuesday morning, closed Tuesday at 88, and sits at 87 with the bid back at 81 at this read. The board agreed with the reporting all along and spent one night unable to find a buyer. Every path in that reporting that ends with a signature keeps Duren in Detroit through October 21, and a qualifying offer signed in the last week of September decides the outcome the day he signs it, the same day it makes the Kings' 2027 plan real. That is why the panel's frozen, price-blind 89.2% has not moved and why it does not need to: it was never a bet on Duren loving Detroit, only on the match right and the calendar holding for five more weeks. After October 21 every number here resolves to 0 or 100, and the public scoreboard will say whether the panel's stillness or the crowd's calendar was the better read. If this method is your thing, the Kawhi Leonard board settled to Toronto on Tuesday and is now the same experiment with its grade in, and the Jonathan Kuminga board is what one looks like three weeks after the music stops.
Data provenance: the live book, trade prices and times on this page come from Kalshi's public trade API (the markets, order book and trades endpoints for event KXNEXTTEAMNBA-26JDUREN0), fetched at 1:28 AM ET on September 16, 2026, with times converted from UTC to Eastern; the daily open, high, low, close and closing bid and ask for September 13, 14 and 15 come from Kalshi's candlestick endpoint, whose daily bars end at midnight Eastern; the August 20, August 28, August 29, September 4, September 6 and September 14 book reads are this board's own dated snapshots. The $190 million offer, the $200 million ask, the qualifying-offer consideration, the Kings' "very strong" interest and the $196.7 million projection are from Sam Amick and Hunter Patterson's September 11, 2026 report in The Athletic, as relayed by Hoops Rumors and NBC Sports; Marc Stein's qualifying-offer report is from The Stein Line on September 10, 2026, as relayed by Hoops Rumors and Detroit Sports Nation; Amick's September 8 remarks are from The Athletic NBA Daily as relayed by Heavy; Marc Spears's remarks are from ESPN's NBA Today on September 14, 2026, as transcribed by Heavy; Brendan Haywood's remarks are from Gil's Arena as relayed by Detroit Sports Nation on September 15, 2026. Model records come from the public Model Verdict scoreboard, regenerated September 15, 2026.
Verdicts generated August 20, 2026. Prices as of 1:28 AM ET on September 16, 2026. Five of the panel's eight models scored this board, price-blind, after one revision round. These are model estimates, not predictions of fact and not financial advice.
