As of September 3, 2026, Polymarket prices “2026 Balance of Power: D Senate, D House” at 50% YES with $2.9M traded. 6 tracked wallets hold a position here; the dominant side is YES.
Democrats need to flip both chambers at once, a tall order given the GOP-favorable 2026 Senate map, so the market sits near a coin flip.
A Democratic sweep of both chambers — the outcome tracked by the balance of power: d senate, d house market — was priced at 47¢ to 48¢ in early-to-mid August 2026, making it the second-likeliest configuration behind a split Congress. A board published August 4, 2026 listed D-House/D-Senate at 48%, D-House/R-Senate at 40%, and R-House/R-Senate at 16%, with all outcomes resolving on the November 3, 2026 midterm vote. A separate snapshot dated August 18 put the Democratic double at 47¢, the split at 39¢, a Republican hold at 15¢, and an R-House/D-Senate scenario at just 1.4¢. [Robinhood, Aug 04]
Underlying chamber-level numbers explain why the full balance of power: d senate, d house sweep trails the split outcome. Derived odds gave Democrats an 85% chance of retaking the House, but the Senate map remained tilted toward Republicans, who currently control both chambers. May polling had Democrats favored at 75% for the House while Republicans held a 55% edge in the Senate, where the class of seats up for election favors the GOP. That divergence keeps a Democratic House paired with a Republican Senate as the modal expectation across competing boards. [Delawareonline, May 18]
The split-Congress scenario has firmed as the consensus base case: a July reading showed 41% favoring a Republican Senate with a Democratic House, closely matched by a 40% figure on Kalshi. An AI-model blend covering the balance of power: d senate, d house board scored the Democratic sweep at only 17.5% against a 47¢ price, flagging it as the most overvalued leg on the ticket. With filing deadlines closed and candidate fields set, attention now turns to the final pre-election polling stretch and the November 3 count that will resolve every outcome. [OddsShopper, Aug 08]
See which tracked wallets hold this market (entries, size, P&L), the models’ fair value and entry targets — and get an alert within a minute when they trade.
Unlock PRO — $29/moMajority of models lean YES, but not unanimous. BUY YES at 50c — models see 15c of upside.
| Model | Says | Fair Value estimated fair price | Confidence |
|---|---|---|---|
| MATH PIN Model | YES | 85c | — |
| MATH Compound Signal | YES | 53c | — |
| AI Claude Analysis | ??? | 51c | 42% |
| AI DeepSeek Quant | YES | 69c | 55% |
| AI Grok Contrarian | NO | 62c | 62% |
| AI Gemini Flash | YES | 54c | 52% |
| AI Kimi Macro | NO | 58c | 55% |
4 of 7 models estimate YES fair value above market (53–85c vs 50c). DeepSeek Quant leads with 55% confidence.
Models estimate fair value of YES at 65c — market prices it at 50c. 15-point gap supports YES.
Smart money has accumulated YES positions at lower prices (40c-49c), indicating confidence in a Democratic sweep of both chambers. The uniform entry range below the current price shows coordinated accumulation rather than speculative chasing, signaling sustained conviction. With all tracked wallets on the YES side, this positioning suggests the market's 50c price may still underprice the true probability, as informed traders have not yet taken profits.
| Wallet | Category | Side | Amount | P&L | |
|---|---|---|---|---|---|
| 0xc408..75 | Smart | YES | $8.3K | +3% | |
| 0xd039..32 | Smart | YES | $1.5K | -1% | |
| 0x011f..22 | Smart | NO | $1.5K | -10% | |
| 0x8152..da | Smart | NO | $1.3K | -10% | |
| 0x44c1..c1 | MM | YES | $4.3K | +22% | |
| 0xde7b..4b | MM | YES | $2.0K | +20% |
All YES holders are in profit, with entries ranging from 40c to 49c against a current price of 50c, creating strong support as they can exit at breakeven or better. NO holders are underwater (entries at 54c-55c), facing losses and likely resistance to further downside moves. The absence of profitable NO positions suggests limited selling pressure from that side, reinforcing upward price momentum toward the YES side.
Polymarket prices YES at 50c with $2.9M in total volume. Our model estimates fair value at 65c. Significant 15-point gap — model sees YES as substantially mispriced.
| Platform | YES Price | Volume |
|---|---|---|
| Polymarket | 50c | $2.9M |
| Our Model | 65c | — |