Packers vs. Jets Week 2 Odds & Predictions
Green Bay heads to MetLife Stadium for a Week 2 cross-conference matchup with the Jets on Sunday, September 20 at 1 p.m. ET on Fox. Across the tracked winner contracts, Green Bay leads at 66.0% (-194), while New York Jets sits at 34.0% (+194). The Packers vs. Jets odds board combines exact game-winner pricing from Kalshi and Polymarket using volume-weighted averages, then breaks out each platform's price, spread and volume; the feed updates hourly.
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Current Packers vs. Jets Odds: Green Bay Favorite to Win
Current probabilities across platforms with liquidity indicators
GBGreen Bay
Vol —
Spread 0.5%
Agg
66.0%↓ -1.9%
P
66.5%
U
66.5%
K
66.0%
NYJNew York Jets
Vol —
Spread 0.5%
Agg
34.0%↑ +2.3%
K
34.0%
U
34.0%
P
33.5%
| Outcome | Aggregated | Spread | Volume | Kalshi | Polymarket | Polymarket US |
|---|---|---|---|---|---|---|
GB Green Bay | 66.0% ↓ -1.9% | 0.5% | — |
Kalshi
66.0%
|
Polymarket
66.5%
|
Polymarket US
66.5%
|
NYJ New York Jets | 34.0% ↑ +2.3% | 0.5% | — |
Kalshi
34.0%
|
Polymarket
33.5%
|
Polymarket US
34.0%
|
Week 2 line movement: Packers vs. Jets
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Tap "Chart settings" to adjust the chart.
Chart settings
Arbitrage Scanner
Current cross-venue opportunities with fee calculations
Pairs (Venue-to-Venue)
| Outcome | Venue Pair | Leg A (Buy) | Leg B (Sell) | Gross Spread | After Fees | Actionable | Trade Now |
|---|---|---|---|---|---|---|---|
NYJ New York Jets |
Polymarket US
→
Polymarket | Buy @ U 34¢ | Sell @ P 65¢ | +31.00% | +31.00% |
Yes | |
GB Green Bay |
Polymarket US
→
Polymarket | Buy @ U 66.5¢ | Sell @ P 65¢ | -1.50% | -1.50% |
No |
Outcome Diff
| Outcome A | Outcome B | Venue | A Odds | B Odds | Diff | Strategy | Trade Now |
|---|---|---|---|---|---|---|---|
GB Green Bay |
NYJ New York Jets |
Polymarket | A 66.5% | B 33.5% | +33.00% | Buy spread | |
GB Green Bay |
NYJ New York Jets |
Polymarket US | A 66.5% | B 34.0% | +32.50% | Buy spread | |
GB Green Bay |
NYJ New York Jets |
Kalshi | A 66.0% | B 34.0% | +32.00% | Buy spread |
After-fee spreads apply the configured taker-fee model per side. Depth/slippage is not modeled in this scanner.
Methodology & Data Mapping
How we aggregate, normalize, and map cross-platform data
Default: Volume-Weighted Average Price (VWAP)
Weights each mapped market by its reported 24H USD volume at snapshot time. If volume is unavailable, we fall back to a simple average for that snapshot.
Use the VWAP/Simple toggle above the chart to switch aggregation views.
Kalshi: Official API (best bid/ask + last + 24H volume/liquidity when available).
Polymarket: Market data via their API (token prices + best bid/ask + 24H volume/liquidity when available).
Polymarket US: Gateway market data (yes/no prices + best bid/ask + market stats for volume/open interest where available).
Event data is updated hourly. Older history is downsampled.
Each event links one or more markets per provider. We normalize labels, map provider outcomes into a shared outcome list, and merge mapped markets where appropriate.
Cross-venue spread: Max–min difference across available venue probabilities for the same outcome.
Liquidity: Relative per-venue indicators based on provider liquidity fields (no depth/slippage modeling).
Arbitrage: Computed from best bid/ask when available (otherwise mid); after-fee spread applies the configured fee model only.
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