PolymarketSportsOpen

Spread: Packers (-4.5)

1¢

last trade · closes 2026-09-25

Open on Polymarket (opens in a new tab)Compare across venues

24h volume$2.8M
Open interest$811.7K
Lifetime volume$2.8M

Quick answers

Where is "Spread: Packers (-4.5)" cheaper right now?
Polymarket last trade 1¢. No matched twin on another venue, so there is no cross-venue price to compare.
When does "Spread: Packers (-4.5)" settle?
Closes 2026-09-25. Pays Yes when: In the upcoming NFL game, scheduled for September 24 at 8:15 PM ET: This market will resolve to "Packers" if the Packers win the game by 5 or more points.

Odds history

Implied odds over timebid/askmid69%34%0%Sep 20 00:07 UTCSep 25 05:01 UTC

196 archived bid/ask quotes for "Spread: Packers (-4.5)" on Polymarket, 2026-09-20 to 2026-09-25.

How this market settles

Pays Yes when
In the upcoming NFL game, scheduled for September 24 at 8:15 PM ET: This market will resolve to "Packers" if the Packers win the game by 5 or more points.
Who decides
https://www.nfl.com/scores
When
Closes 2026-09-25.
Read the full rules Polymarket publishes

In the upcoming NFL game, scheduled for September 24 at 8:15 PM ET: This market will resolve to "Packers" if the Packers win the game by 5 or more points. Otherwise, this market will resolve to "Falcons". If the game ends in a tie, this market will resolve to "Falcons". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50.

What this bet really costs you

  • On $100 at 1¢ you pay $6.93 in fees on Kalshi

    0.07¢ per contract · 10000 contracts

  • On $100 at 1¢ you pay $4.95 in fees on Polymarket US

    0.05¢ per contract · 10000 contracts

Polymarket rate read from the catalog for sports_fees_v3 (13,936 markets in a sample of 20,000 rows drawn from 11,637,244 in the archive). Kalshi's rate is its published general schedule; the PDF has been rate-limiting fetches, so it is documented rather than verified.

Exchange-side taker fees per each venue's published formula (rate × contracts × price × (1 − price)); contracts = stake ÷ price, rounded down to whole contracts. Fees peak at 50¢ and shrink toward the extremes. Most quoted cross-venue “arbs” are negative-EV after these fees; the taker-fee breakeven on a Kalshi/Polymarket pair is roughly 3.5–4¢.

Free Telegram alerts. Example:

Polymarket moved 8¢ on US recession in 2026? in the last 60 minutes (12¢ → 20¢). Kalshi hasn't caught up — still sitting at 14¢.Get alerts (opens in a new tab)

Data: Polymarket id 0xb865736cce51dfb32d4e97796dfc9be85972159f0cf03c255844c21456b3e17a · ← All tracked markets