TN-05 Republican Primary Winner

Platform comparison

Market context

The Republican nomination for Tennessee’s 5th Congressional District is set by the August 6 primary, with the market resolving to the official nominee or to “Other” if no nominee is announced by the November deadline. Current pricing is already at the ceiling, so a programmatic trader would treat the event as effectively settled only once the official Republican result is published and cross-checked against the market rules rather than the live crowd number. [1]

For context, the crowd has not been static: Axios reported that Andy Ogles’ implied chance narrowed from 94% in May to 64% by 20 July, with Charlie Hatcher rising to 38% on Kalshi, which shows how quickly these names can reprice when a race looks closer than an initial frontrunner narrative. Kalshi’s own market page later showed Ogles at 88% and Hatcher at 16%, while Polymarket still had Ogles ahead but with a materially tighter split than a dominant lock; that spread is the useful signal for tooling, because conditional orders and alerting should be built around volatility rather than the headline favourite label. [5][4][1]

The main catalysts are the party’s official nomination process, any post-primary certification or dispute, and whether a nominee is publicly confirmed by Republican sources before the settlement cut-off. Because replacement of the nominee after election day does not alter resolution, bots should monitor the first official designation from the Tennessee GOP or other consensus Republican sources, then snapshot the result and stop re-pricing once the market’s rule trigger is satisfied. The FEC page confirms the 2026 TN-05 race is an active federal election record, which is useful for automation that keys off district-level election calendars and candidate filings. [9][1]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews TN-05 Republican Primary Winner across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Kalshi Fees, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi Fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.