Walmart's recent struggles have been hugely profitable for one group of investors

  • Walmart's historically large stock decline since its earnings report has made hundreds of millions of dollars for short sellers betting on shares to fall.
  • It's been a long time coming for speculative Walmart bears, who incurred over $1 billion in losses wagering against the company's stock in 2017.

As Walmart slogs through one of its toughest patches in recent history, one group of investors has been left smiling: short sellers betting the company's stock will fall.

Walmart's stock dropped more than 10% Tuesday, its biggest single-day loss in 30 years, on reports online sales growth slowed considerably last quarter. The share decline then stretched into a second day, bringing the company's loss to 13% since the earnings disaster.

Positioned to capitalize on this type of weakness, short sellers have raked in $548 million in mark-to-market profits since the start of February, according to data compiled by financial analytics firm S3 Partners. Their strong performance this month has been enough to reverse losses incurred in January, bringing the group's year-to-date net profit to $279 million, the data show. 

RELATED: Check out Walmart's hottest toys of 2017:

The 25 hottest toys of 2017, according to Walmart
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The 25 hottest toys of 2017, according to Walmart

Real Workin’ Buddies Mr. Dusty

Price: $40


Disney Frozen 12-Volt Ride-On Sleigh

Price: $298

Walmart exclusive

Monster Jam Grave Digger 24-Volt Battery Powered Ride-On

Price: $398

Walmart exclusive

Fisher-Price Zoom 'N Crawl Monster

Price: $35

Imaginext DC Super Friends Batman Batbot Xtreme

Price: $94

Nerf Rival Nemesis MXVII-10K

Price: $88

FurReal Roarin Tyler, the Playful Tiger

Price: $117

Huffy Electric Green Machine 24 Volt Battery-Powered Ride On

Price: $199

Disney Junior Doc McStuffins Baby All in One Nursery

Price: $80

LittleBits Star Wars Droid Inventor Kit

Price: $99

Mattel Barbie DreamHorse

Price: $90

Mattel Cars Florida Speedway 2

Price: $100

MGAEntertainment LOL Surprise Fizz Factory

Price: $33

Num Noms Nail Polish Maker

Price: $45

New Bright 1:14 RC Dash Cam Rock Crawler

Price: $60

Walmart exclusive

New Bright 10 Inch Rc Tumblebee

Price: $25

Adventure Force Light Command Light-up Motorized Blaster

Price: $25

Walmart exclusive

Recoil Starter Set by Skyrocket

Price: $118

Soggy Doggy Board Game

Price: $19

Paw Patrol – My Size Lookout Tower

Price: $100

"Hatchimals Surprise"

Price: TBA

Details for this year's Hatchimals toy have not been released yet, but Walmart still expects it to be a big seller.

Pop-a-Balls Drop & Pop Ball Pit

Price: $50

Walmart exclusive

WowWee Fingerlings

Price: $15

Mayka Toy Block Tape

Price: $17 for a four-pack

Mickey's Transforming Roadster Racer RC

Price: $50


As the chart below shows, short sellers have been waiting a long time for this type of reckoning for Walmart. They hiked short interest — a measure of bets that a stock will fall — by $823 million, or 43%, in 2017. And they kept going in January as Walmart shares reached new records.

Still, speculative Walmart bears will have their work cut out for them if they're going to take a bigger bite out of their $1.2 billion mark-to-market loss last year.

But they might not be patient enough. S3 notes that many short sellers have already been taking profits on their positions since late January — something that's likely to continue as stock weakness persists.

As for what the future holds for these short speculators, S3 says that's really up to them, depending on how they view Walmart's ongoing battle with another titan of retail: Amazon.

"If traders think that will continue to be a market disruptor and eat into Walmart's market share and drive down margins, we should see Walmart short interest climb," S3 wrote in a client note. "But if traders think Walmart can hold its ground and repel Amazon’s advances, Walmart short interest should continue to decline."

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