NBA Line Shopping Opportunities for 2026-05-21

Published · All posts · Live API endpoint →

Top 20 NBA player props by line dispersion on 2026-05-21. Where books disagree, line shopping pays.

Where the books disagree most today

The table below ranks NBA player props on 2026-05-21 by line dispersion (the gap between the lowest and highest line offered by any book). Wider gaps = more line-shopping value, more potential +EV. Computed from NBA prop closing lines pulled from 20 active sources.

PlayerMarketSourcesLine rangeAvgOver price range
Victor Wembanyamaplayer points120.0 - 41.520.8-13000 to 7000
Shai Gilgeous-Alexanderplayer points120.0 - 39.523.8-1600 to 8500
Stephon Castleplayer points alt75.0 - 35.016.5-10000 to 2800
Chet Holmgrenplayer points alt75.0 - 35.014.9-9000 to 3500
Victor Wembanyamaplayer points alt715.0 - 45.029.0-2000 to 4000
Stephon Castleplayer points120.0 - 29.514.4-13500 to 1595
Jalen Williamsplayer points120.0 - 29.514.3-1600 to 1750
Shai Gilgeous-Alexanderplayer points alt718.0 - 45.030.6-1500 to 1500
Chet Holmgrenplayer points120.0 - 25.512.9-11500 to 1300
De'Aaron Foxplayer points alt75.0 - 30.017.4-4000 to 1800
Devin Vassellplayer points alt75.0 - 30.017.2-2200 to 3000
Dylan Harperplayer points alt75.0 - 30.014.0-2200 to 2900
Jalen Williamsplayer points alt710.0 - 35.019.9-1400 to 3500
Devin Vassellplayer points120.0 - 24.511.2-18500 to 1700
Alex Carusoplayer points120.0 - 24.59.1-7250 to 2200
De'Aaron Foxplayer points120.0 - 24.511.2-830 to 5500
Dylan Harperplayer points120.0 - 24.510.4-2000 to 1700
Ajay Mitchellplayer points alt75.0 - 25.013.1-1200 to 2700
Julian Champagnieplayer points alt75.0 - 25.015.5-675 to 3000
Keldon Johnsonplayer points alt75.0 - 25.012.7-625 to 2800

Get +EV opportunities programmatically

# Pre-computed +EV bets (Pro tier)
curl "https://parlay-api.com/v1/sports/basketball_nba/ev?min_edge=0.02&date=2026-05-21" \
  -H "X-API-Key: YOUR_KEY"

# Pre-computed cross-book arbitrage (Pro tier)
curl "https://parlay-api.com/v1/sports/basketball_nba/arbitrage?min_profit=0.005&date=2026-05-21" \
  -H "X-API-Key: YOUR_KEY"
For information only. Sports betting carries risk. Past dispersion doesn't guarantee future +EV.

Run this analysis yourself, free

Every number in this post came from the ParlayAPI live feed. Free tier: 1,000 requests/month, no credit card.

Get my free key →