As of September 3, 2026, Polymarket prices “2026 Balance of Power: D Senate, D House” at 64% YES with $5.0M traded. 5 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 64c — models see 6c of upside.
| Model | Says | Fair Value estimated fair price | Confidence |
|---|---|---|---|
| MATH PIN Model | YES | 90c | — |
| MATH Compound Signal | YES | 59c | — |
| AI Claude Analysis | YES | 65c | 54% |
| AI DeepSeek Quant | YES | 68c | 62% |
| AI Grok Contrarian | NO | 58c | 61% |
| AI Gemini Flash | YES | 68c | 72% |
| AI Kimi Macro | NO | 62c | 72% |
5 of 7 models estimate YES fair value above market (59–90c vs 64c). Gemini Flash leads with 72% confidence.
Models estimate fair value of YES at 70c — market prices it at 64c. 6-point gap supports YES.
Tracked wallets show unanimous YES positioning, with entries clustered in the 40s signaling early conviction before the market repriced to 64c. The lack of NO entries among these wallets suggests no smart-money countertrend bet against Democratic control of both chambers. Their collective stance implies the market's 64c YES price is supported by informed accumulation rather than speculative noise.
| Wallet | Category | Side | Amount | P&L | |
|---|---|---|---|---|---|
| 0xc408..75 | Smart | YES | $10.4K | +31% | |
| 0x011f..22 | Smart | NO | $3.2K | -17% | |
| 0xd039..32 | Smart | YES | $1.9K | +14% | |
| 0x44c1..c1 | MM | YES | $5.4K | +50% | |
| 0xde7b..4b | MM | YES | $2.5K | +51% |
All YES positions entered between 40c and 49c are now in profit at 64c, while NO entries at 42c are underwater, creating a one-sided P&L picture. The absence of profitable NO holders removes a natural source of selling pressure, as losing shorts may be forced to cover rather than add. This dynamic supports the 64c level, with profit-taking from YES holders the main risk to further upside.
Polymarket prices YES at 64c with $5.0M in total volume. Our model estimates fair value at 70c. 6-point gap suggests market may undervalue YES.
| Platform | YES Price | Volume |
|---|---|---|
| Polymarket | 64c | $5.0M |
| Our Model | 70c | — |