Bet365 spokesman Steve Freeth said: "We still think Arsenal hold every chance of preserving their top-four status come May, but they're finding wins hard to come by and the natives are certainly restless."
The Gunners, without a major trophy for so long, are 1/2 to end another season trophyless.
2012/13 PL: Where will Arsenal finish?
1st: 100/1; 2nd: 16/1; 3rd: 4/1; 4th: 5/2; 5th: 7/2; 6th: 9/2; 7th+: 4/1.
2012/13 PL: Top-four finish:
Chelsea: 1/4; Arsenal: Evs; Spurs: 11/10; Everton: 9/2; Liverpool: 5/1; West Brom: 20/1.
Will Arsenal win a major trophy during 2012/13?
Yes: 6/4; No: 1/2