The School of Odds
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Newells Old Boys v Union Santa Fe

2026-11-01 21:30 UTC — Primera División - Argentina

Head to Head

11 sportsbooks (4 in analysis )

Estimated chance of each outcome, according to the model: Interquartile mean (Vetted List)

Newells Old Boys (Local)

Prediction 43.25%2.31fair odd
EV -3.99%
Edge -1.80%
Kelly -3.27%
Growth +0.000%

assuming max odds 2.22

Bookmakers’ predictions’ distribution
42.25%43.24%43.25%43.98%MIN.MEANMEDIANMAX.
Odds’ distribution
1.922.082.102.2252.08%48.06%47.62%45.05%MIN.MEANMEDIANMAX.

Union Santa Fe (Visit)

Prediction 26.96%3.71fair odd
EV -5.65%
Edge -1.61%
Kelly -2.26%
Growth +0.000%

assuming max odds 3.50

Bookmakers’ predictions’ distribution
26.09%27.02%26.96%28.87%MIN.MEANMEDIANMAX.
Odds’ distribution
3.003.293.303.5033.33%30.43%30.30%28.57%MIN.MEANMEDIANMAX.

Draw

Prediction 29.80%3.36fair odd
EV -3.16%
Edge -0.974%
Kelly -1.41%
Growth +0.000%

assuming max odds 3.25

Bookmakers’ predictions’ distribution
28.72%29.74%29.80%30.43%MIN.MEANMEDIANMAX.
Odds’ distribution
2.853.063.003.2535.09%32.71%33.33%30.77%MIN.MEANMEDIANMAX.

For Head to Head, Interquartile mean (Vetted List) estimates these probabilities: Newells Old Boys (Local): 43.25%; Union Santa Fe (Visit): 26.96%; Draw: 29.80%. For Draw, that estimate is equivalent to fair decimal odds of 3.36. No eligible bookmaker offers odds above that level: the best available odds are 3.25, with an expected value of -3.16%; they do not produce positive expected value.

Sportsbook Odds (11 sportsbooks)

We're not affiliated with any bookmaker, we earn nothing from any action done with them.

BookmakerLocal ▼VisitDrawMarginUpdated
1xBet🎯2.22I 45.05%NM 42.81%EV -3.99%E -1.80%K -3.27%G +0.000%3.47I 28.82%NM 27.39%EV -6.46%E -1.86%K -2.61%G +0.000%3.19I 31.35%NM 29.80%EV -4.95%E -1.55%K -2.26%G +0.000%5.2%2026-10-18 19:49
Marathon Bet🎯2.17I 46.08%NM 42.85%EV -6.16%E -2.84%K -5.26%G +0.000%3.40I 29.41%NM 27.35%EV -8.34%E -2.45%K -3.48%G +0.000%3.12I 32.05%NM 29.80%EV -7.04%E -2.26%K -3.32%G +0.000%7.5%2026-10-18 19:24
SportsBet🎯2.15I 46.51%NM 43.42%EV -7.02%E -3.27%K -6.10%G +0.000%3.35I 29.85%NM 27.86%EV -9.69%E -2.89%K -4.12%G +0.000%3.25I 30.77%NM 28.72%EV -3.16%E -0.974%K -1.41%G +0.000%7.1%2026-10-18 19:59
FanDuel🎯2.15I 46.51%NM 43.04%EV -7.02%E -3.27%K -6.10%G +0.000%3.30I 30.30%NM 28.04%EV -11.04%E -3.34%K -4.80%G +0.000%3.20I 31.25%NM 28.92%EV -4.65%E -1.45%K -2.12%G +0.000%8.1%2026-10-18 21:29
BoyleSports🎯2.10I 47.62%NM 43.48%EV -9.18%E -4.37%K -8.35%G +0.000%3.50I 28.57%NM 26.09%EV -5.65%E -1.61%K -2.26%G +0.000%3.00I 33.33%NM 30.43%EV -10.61%E -3.54%K -5.31%G +0.000%9.5%2026-10-18 18:50
Paddy Power🎯2.10I 47.62%NM 43.04%EV -9.18%E -4.37%K -8.35%G +0.000%3.25I 30.77%NM 27.81%EV -12.39%E -3.81%K -5.50%G +0.000%3.10I 32.26%NM 29.15%EV -7.63%E -2.46%K -3.64%G +0.000%10.6%2026-10-18 21:30
Sky Bet🎯2.05I 48.78%NM 42.25%EV -11.34%E -5.53%K -10.80%G +0.000%3.00I 33.33%NM 28.87%EV -19.13%E -6.38%K -9.56%G +0.000%3.00I 33.33%NM 28.87%EV -10.61%E -3.54%K -5.31%G +0.000%15.4%2026-10-18 20:14
Betclic (FR)🎯2.03I 49.26%NM 43.61%EV -12.21%E -6.01%K -11.85%G +0.000%3.33I 30.03%NM 26.58%EV -10.23%E -3.07%K -4.39%G +0.000%2.97I 33.67%NM 29.81%EV -11.51%E -3.87%K -5.84%G +0.000%13.0%2026-10-18 18:49
Winamax (DE)🎯2.00I 50.00%NM 43.64%EV -13.51%E -6.75%K -13.51%G +0.000%3.20I 31.25%NM 27.27%EV -13.73%E -4.29%K -6.24%G +0.000%3.00I 33.33%NM 29.09%EV -10.61%E -3.54%K -5.31%G +0.000%14.6%2026-10-18 18:49
Winamax (FR)🎯2.00I 50.00%NM 43.24%EV -13.51%E -6.75%K -13.51%G +0.000%3.15I 31.75%NM 27.45%EV -15.08%E -4.79%K -7.01%G +0.000%2.95I 33.90%NM 29.31%EV -12.10%E -4.10%K -6.21%G +0.000%15.6%2026-10-18 18:49
Unibet (FR)🎯1.92I 52.08%NM 43.98%EV -16.97%E -8.84%K -18.44%G +0.000%3.20I 31.25%NM 26.39%EV -13.73%E -4.29%K -6.24%G +0.000%2.85I 35.09%NM 29.63%EV -15.08%E -5.29%K -8.15%G +0.000%18.4%2026-10-18 18:49
Margin = Margin (Overround) · I = Implied Probability · NM = No-Margin Probability · EV = Expected Value · E = Edge · K = Kelly Criterion · G = Bankroll Growth

Updated is when each book last changed its price, so an older time means the odds simply haven't moved, not that the price is stale. Books not seen in the last ~15 minutes are normally dropped; only if a whole market's feed goes quiet are the latest recorded prices shown instead.

Exchanges (3)

BookmakerLocalVisitDrawMargin ▲Updated
Betfair Exchange (UK)◎1.13I 88.50%NM 32.74%1.10I 90.91%NM 33.63%1.10I 90.91%NM 33.63%170.3%2026-10-18 23:35
Betfair Exchange (EU)◎1.13I 88.50%NM 32.74%1.10I 90.91%NM 33.63%1.10I 90.91%NM 33.63%170.3%2026-10-18 23:34
Betfair Exchange (AU)◎1.10I 90.91%NM 33.33%1.10I 90.91%NM 33.33%1.10I 90.91%NM 33.33%172.7%2026-10-18 21:50