Four To An Outside Straight or Three To A Straight Flush?

In 9/6 Jacks or Better, four to an outside straight is the correct play over three to a straight flush, worth 0.72 more coins on average (5-coin bet). This exact conflict is dealt about once every 268 hands. Drill it in the trainer →
1 in 268hands: how often this decision appears
+0.72coins: average EV edge of the correct play
2.7coins lost per 1,000 hands if always misplayed

Example hand

2♠ 3♠ 4♠ 5♥ 7♦

CORRECT PLAYhold 2♠ 3♠ 4♠ 5♥EV 3.404 coins
vs
TEMPTINGhold 2♠ 3♠ 4♠EV 2.549 coins
#HoldEV, coins (5-coin bet)
1hold 2♠ 3♠ 4♠ 5♥3.404
2hold 2♠ 3♠ 4♠2.549
3discard all1.814
4hold 3♠ 4♠ 5♥ 7♦1.702
5hold 7♦1.636

Check any hand yourself in the hand calculator, or see all 64 decision conflicts ranked by frequency.