TX-22 Republican Odds Hit 92% as All Six Counties Trend Democratic

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Republican Candidate Hits 92% in TX-22, But the District Is Shifting Blue

The Republican candidate is heavily favored to win the TX-22 House seat in 2026. Prediction markets on both Kalshi and Polymarket price the Republican at 92% to win, up 41 percentage points in three days, after forecasters resolved the open-seat uncertainty created when Troy Nehls announced he would not seek re-election.

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Trever Nehls (R)

Consensus YES price across 3 venues

92%average

Polymarket USBest YES price91¢Polymarket93¢Kalshi94.2¢

Marquette Greene-Scott (D)

Consensus YES price across 3 venues

7%average

Polymarket USBest YES price7¢Polymarket8¢Kalshi9.1¢

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The speed of that repricing demands context. As recently as three days ago, the market sat at 50%, treating the race as a coin flip. It now reflects near-certainty. The catalyst is not that the district got redder or that the Democratic candidate dropped out. It is the opposite: Call the Map projects every one of TX-22's six counties to shift toward Democrats by between 3.9 and 12.4 points versus 2024 presidential results. The model still lands on a Republican margin of R+11.7. The market's initial 50% price reflected open-seat uncertainty, not competitive fundamentals. Forecasters updating their models resolved that uncertainty, and the price corrected sharply.

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Who Is Running for TX-22 After Troy Nehls' Retirement?

Troy Nehls held the seat since 2021 and won re-election in 2024 by a wide margin in a district where the 2024 presidential result was R+22.1. His decision not to run again opened the door to a contested primary and, in theory, a more competitive general election. Open seats historically narrow margins: without the incumbency advantage (typically worth 3 to 5 points in House races), challengers recruit better candidates and raise more money.

The Democratic nominee is Marquette Greene-Scott, who Call the Map projects at a 43.7% two-party vote share, giving her an 8-in-100 chance of winning. On the Republican side, campaign finance data through June 30, 2026 shows Trever Nehls raised $206,460, positioning himself as a primary contender. The Nehls family name carries weight in Fort Bend County, though its exact effect on general election margins remains unclear.

TX-22 spans Fort Bend, Brazoria, and Waller counties among others. Fort Bend has been one of the fastest-diversifying counties in Texas for a decade, and Brazoria's suburban growth has followed a similar trajectory. These demographic shifts explain the projected county-level movement toward Democrats. They do not, however, explain a Democratic win. The district's structural lean is simply too deep.

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Why Did Republican Chances in TX-22 Jump 41 Points in Three Days?

The 41-point move is better understood as a correction from an uninformed prior than as a response to a specific campaign event. No confirmed catalyst, such as a candidate withdrawal, polling release, or endorsement, can be pinpointed within the 72-hour window. Research turned up no breaking news that would explain the timing.

What most likely happened: the market opened with thin initial pricing at 50% (the default when no information is incorporated), and the first wave of informed traders repriced it to align with publicly available forecasting models. Call the Map's 92-in-100 Republican win probability and R+11.7 projected margin provide a clear anchor. Once the first contracts traded near that level, the spread narrowed quickly. Kalshi sits at 91%, Polymarket at 92%, a tight consensus that suggests the repricing is complete rather than ongoing.

The deeper point is what the market is pricing. The 92% figure does not mean the Republican will win by 20 points as Nehls did. It means the Republican is modeled to win by roughly 11.7 points, with an 80-in-100 confidence interval ranging from R+22.3 to R+1.0. That lower bound, a one-point Republican win, is the scenario that keeps this off the "safe" list and gives Greene-Scott her 8% implied probability.

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The Case for Greene-Scott: What Would It Take to Flip TX-22?

The strongest argument against the 92% price starts with the county-level movement. A 10.4-point average shift toward Democrats across TX-22 is not trivial. If the actual shift exceeded the model's upper bound (12.4 points in the most Democratic-trending county) and extended uniformly across the district, the R+11.7 margin evaporates.

Greene-Scott would need several things to converge: a national environment more favorable to Democrats than current models assume, strong fundraising to close what is likely a cash gap against a Nehls-branded Republican, and turnout patterns that favor the 19% of the district's 2024 vote where she leads. Fort Bend County is the key battleground. If suburban Fort Bend mirrors its recent trajectory of electing Democrats in county-level races, Greene-Scott's floor rises.

The counterpoint: even in a strong Democratic wave, a seat with a 2024 presidential lean of R+22.1 requires a swing of historic proportions. The projected 10.4-point shift already accounts for a favorable Democratic environment. To flip the seat, the actual environment would need to exceed projections by another 12 or more points, a national wave large enough to threaten 40 or 50 other Republican-held seats first.

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What the Market Gets Right and Where to Watch

The 92% price is well-calibrated to available forecasting data. It acknowledges that this is not a top-tier target for either party while leaving room for the tail-risk scenario where demographic change finally outpaces redistricting. Traders looking for edge should monitor two variables: whether Greene-Scott's fundraising through Q3 approaches parity with the Republican nominee, and whether any district-specific polling emerges showing margins tighter than R+11.7.

For live prices and resolution details, track the TX-22 House Election Winner market, which resolves on November 3, 2026. With 68 days to election day, the next meaningful repricing window will likely arrive when Q3 fundraising totals post in mid-October.